Preprints in 2020
PP 020163
Understanding the evolution and dust formation of carbon stars in the LMC with a look at the JWST
(1) INAF-OAR; (2) Univ. Roma Tre; (3) Koninklike Sterrenwach; (4) IAC-ULL; (5) NORDITA; (6) Macquarie University; (7) Univ. di Padova
PP 020161
Are extreme AGB stars post-common envelope binaries?
(1) INAF-OAR; (2) Univ. Roma Tre; (3) Koninklike Sterrenwach; (4) NORDITA; (5) Macquarie University; (6) IAC-ULL; (7) Univ. di Padova
PP 020160
Search for flares and associated CMEs on late-type main-sequence stars in optical SDSS spectra
(1) Institute for Physics, University of Graz, Austria
(2) Instituto de Astrofisica de Canarias, Tenerife, Spain
PP 020159
On the radial abundance gradients of nitrogen and oxygen in the inner Galactic disc
(1) IAC, Spain, (2) ULL, Spain
PP 020157
Cosmology and the massive photon frequency shift in the Standard-Model Extension
(1) Observatoire des Sciences de l’Univers en région Centre (OSUC), Univ. d’Orléans, France; (2) Collegium Sciences et Techniques (CoST), Univ. d'Orleans, France; (3) CNRS-Laboratoire de Physique et Chimie de l’Environnement et de l’Espace (LPC2E), Orléans, France; (4) Instituto de Física, Univ. Estat. Rio de Janeiro, Brasil; (5) CBPF-Departamento de Astrofísica, Cosmologia e Interaçoes Fundamentais (COSMO), Rio de Janeiro, Brasil; (6) IAC; (7) ULL; (8) Dipartimento di Fisica Ettore Pancini, Univ. degli Studi di Napoli, Federico II, Italy; (9) Laboratory of Theoretical Cosmology, Tomsk State University of Control Systems and Radioelectronics (TUSUR), Russia
PP 020155
BAYES-LOSVD: a bayesian framework for non-parametric extraction of the line-of-sight velocity distribution of galaxies
(1) Instituto de Astrofísica de Canarias, (2) Universidad de La Laguna, (3) Liverpool John Moores University
PP 020154
Strong H$α$ emission in the young planetary mass companion 2MASS J0249-0557 c
(1) Instituto de Astrofísica de Canarias (IAC), Calle Vía Lactea s/n, 38200 La Laguna, Tenerife, Spain.
(2) Departamento de Astrofísica, Universidad de La Laguna (ULL), 38205 La Laguna, Tenerife, Spain.
(3) Centro de Astrobiología (CSIC-INTA), Ctra. de Ajalvir km 4, 28850 Torrejon de Ardoz, Madrid, Spain. ´
(4) Centre for Astrophysics Research, University of Hertfordshire, College Lane, Hatfield AL10 9AB, UK.
(5) Janusz Gil Institute of Astronomy, University of Zielona Gora, Lubuska 2, 65-265 Zielona Gora, Poland.
PP 020153
Optical spectral characterization of the the TeV extremeblazar 2WHSP J073326.7+515354
(1) Universidad de La Laguna (ULL), Dpto. de Astrofısica, Tenerife, Spain
(2) IAC Tenerife, Spain
PP 020152
On the nature of VX Sagitarii: Is it a TZO, a RSG or a high-mass AGB star?
Instituto de Astrofísica e Ciências do Espaço, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, Portugal
Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal, Universidad de Alicante, Carretera de San Vicente s/n, E03690, San Vicente del Raspeig, Spain
Instituto de Astrofísica de Canarias (IAC), 38205 La Laguna, Tenerife, Spain
Universidad de La Laguna (ULL), Departamento de Astrofísica, 38206 La Laguna, Tenerife, Spain
Departamento de Física Aplicada, Facultad de Ciencias, Universidad de Alicante, Carretera de San Vicente s/n, E03690, San Vicente del Raspeig, Spain
Departamento de Física de la Tierra y Astrofísica & IPARCOS-UCM (Instituto de Física de Partículas y del Cosmos de la UCM), Facultad de Ciencias Físicas, Universidad Complutense de Madrid, 28040 Madrid, Spa
PP 020151
The dual nature of blazar fast variability. Space and ground observations of S5 0716+714
(1) INAF, Osservatorio Astrofisico di Torino, Pino Torinese, Italy
(2) EPT Observatories, Tijarafe, E-38780 La Palma, Spain
(3) INAF, TNG Fundación Galileo Galilei, La Palma,Spain
(4) Instituto de Astrofísica de Canarias, Tenerife, Spain
(5) Dpto. de Astrofísica, Universidad de La Laguna, Tenerife, Spain
PP 020150
Asteroseismology of the heartbeat star KIC 5006817
1 Astronomical Institute, Faculty of Mathematics and Physics, Charles University, V Holesovickach;
2 Institute of Physics, Faculty of Science, P. J. Safarik University;
3 Konkoly Observatory, Research Centre for Astronomy and Earth Sciences,
Konkoly;
4 Department of Astronomy, Eotvos University, Pazmany Peter setany, Budapest, Hungary;
5 Nicolaus Copernicus Astronomical Centre, Polish Academy of Sciences, Warszawa, Poland;
6 Astronomical Institute, Academy of Sciences of Czech Republic;
7 Institut für Physik, Universität Graz, Austria
8 Instituto de Astrofısica de Canarias, La Laguna, Tenerife, Spain
PP 020149
The contribution of N-rich stars to the Galactic stellar halo using APOGEE red giants
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020148
Satellite Constellation Internet Affordability and Need
University of Washington, The Open University, Universit ́e de Rouen Normandie, The Adler Planetarium/The JustSpace Alliance, Instituto de Astrofisica de Canarias, Universidad de La Laguna, ASTRON, Netherlands Institute for Radio Astronomy
PP 020147
Coronal heating by MHD waves
Centre for Mathematical Plasma Astrophysics, KU Leuven and others (including IAC and ULL)
PP 020146
LeMMINGs. II. The e-MERLIN legacy survey of nearby galaxies. The deepest radio view of the Palomar sample on parsec scale
INAF-Institute of Radio Astronomy, University of Southampton, ..., IAC, ULL, ...
PP 020145
The complex multi-component outflow of the Seyfert galaxy NGC 7130
(1) ULL, (2) IAC, (3) University of Oulu, (4) Liverpool John Moores University
PP 020143
Probing jet launching in neutron star X-ray binaries: the variable and polarized jet of SAX J1808.4-3658
New York University Abu Dhabi and other international institutions (including IAC and ULL)
PP 020142
Resolved observations at 31 GHz of spinning dust emissivity variations in ρ Oph
1. Departamento de Astronomía, Universidad de Chile. Chile
2. Facultad de Ingeniería, Núcleo de Astroquímica & Astrofísica, Universidad Autónoma de Chile. Chile
3. Departamento de Ingeniería Informática, Universidad de Santiago de Chile. Chile
4. JBO, University of Manchester. UK
5. Department of Astrophysical Sciences, Princeton University. USA
6. Instituto de Astrofísica de Canarias, and ULL. Spain
7. Canadian Institute for Theoretical Astrophysics, University of Toronto. Canada
8. Sub-department of Astrophysics, University of Oxford. UK
9. Cahill Centre for Astronomy and Astrophysics, California Institute of Technology. USA
10. Max-Planck-Institut für Radioastronomie, Bonn. Germany
PP 020141
Automated Detection of Accelerating Solar Eruptions using Parabolic Hough Transform
1) Aryabhatta Research Institute of Observational Sciences, India 2) IAC, Tenerife 3) Delhi University, India. 4) Royal Observatory of Belgium, Belgium
PP 020140
The kinematics of young and old stellar populations in nuclear rings of MUSE TIMER galaxies
(1) Instituto de Astrofísica de Canarias, (2) Departamento de Astrofísica, Universidad de La Laguna, (3) European Southern Observatory, (4) Ludwig-Maximilians-Universität, (5) Institute of Cosmology and Gravitation, University of Portsmouth, (6) Dpto. de Física y del Cosmos, Universidad de Granada, (7) Instituto Carlos I de Física Teórica y Computacional, (8) Observatorio Astronómico Nacional, (9) Departamento de Física de la Tierra y Astrofísica, Universidad Complutense de Madrid, (10) IPARCOS, Facultad de C.C. Físicas, Universidad Complutense de Madrid, (11) Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, (12) Astrophysics Research Institute, Liverpool John Moores University, (13) Department of Astrophysics, University of Vienna Türkenschanzstraße, (14) Department of Astronomy and Atmospheric Sciences, Kyungpook National University
PP 020139
Exploring the Galactic Warp Through Asymmetries in the Kinematics of the Galactic Disk
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020138
Statistical Study of Plasmoids associated with post-CME Current Sheet
(1)Indian Institute of Astrophysics, 2nd Block Koramangala, Bangalore 560034, India and Aryabhatta Research Institute of Observational Sciences, Nainital 263001, India
(2) IAC
(3)Institute of Theoretical Astrophysics, University of Oslo and Rosseland Centre for Solar Physics, University of Oslo
(4) Indian Institute of Astrophysics, 2nd Block Koramangala, Bangalore 560034, India and Aryabhatta Research Institute of Observational Sciences, Nainital 263001, India and Center of Excellence in Space Science, IISER Kolkata, Kolkata 741246, India
PP 020137
Local and global gas metallicity versus stellar age relation in MaNGA galaxies
(1) IAC, (2) Departamento de Astrofísica, ULL Universidad de La Laguna, Spain
(3) European Southern Observatory, Karl-Schwarzschild-Str. 2, Garching bei M¨unchen, 85748, Germany, (4) Instituto de Astronomia, Universidad Nacional Autonoma de Mexico, Mexico D.F., Mexico
PP 020136
The principle of maximum entropy explains the cores observed in the mass distribution of dwarf galaxies
(1) Instituto de Astrofisica de Canarias, La Laguna, Tenerife, E-38200, Spain, (2) Departamento de Astrofisica, Universidad de La Laguna, (3) CeBio y Departamento de Ciencias B\'asicas, Universidad Nacional del Noroeste de la Prov. de Buenos Aires, UNNOBA, CONICET, Junin, Argentina
PP 020135
Maintaining the Ephemeris of 20 CoRoT Planets: Transit Minimum Times and Potential Transit Timing Variations
Several institutions, including IAC and ULL
PP 020134
Multi-phase feedback processes in the Sy2 galaxy NGC 5643
(1) Oxford University, (2) CAB, (3) OAN, (4) IAC, (5) ULL, (6) IFCA
PP 020133
The solar gravitational redshift from HARPS-LFC Moon spectra. A test of the General Theory of Relativity
(1) IAC
PP 020132
Atomic Data Assessment with PyNeb
(1) IA-UNAM, Mexico (2) IAC, Spain (3) ULL, Spain (4) Western Michigan University, USA (5) IVIC, Venezuela
PP 020131
NICER observations reveal that the X-ray transient MAXI J1348-630 is a Black Hole X-ray binary
(1) Physics and Astronomy, University of Southampton, UK; (2) Instituto de Astrofísica de Canarias (IAC); (3) Departamento de Astrofísica, Universidad de La Laguna (ULL)
PP 020130
Optical spectroscopy of 4U 1812-12: an ultra-compact X-ray binary seen through an H II region
(1)Instituto de Astrofísica de Canarias (IAC), (2)Departamento de Astrofísica, ULL, (3)Istituto di Astrofisica e Planetologia Spaziali (INAF–IAPS), (4)University of Amsterdam
PP 020129
Open Cluster Chemical Homogeneity Throughout the Milky Way
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020128
The R136 star cluster dissected with Hubble Space Telescope/STIS. II. Physical properties of the most massive stars in R136
(1) Univ. Sheffield
(2) IAC/ULL
PP 020127
How Many Components? Quantifying the Complexity of the Metallicity Distribution in the Milky Way Bulge with APOGEE
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020126
The post-common-envelope binary central star of the planetary nebula ETHOS 1
(1) Surrey, (2) IAC, (3) ULL, (4) ESO, (5) AAO, (6) GTC, (7) CAB, (8) OAN, (9) NCAC
PP 020125
Diagonal Ridge pattern of different age populations found in Gaia DR2 with LAMOST Main-Sequence-Turn-Off and OB type Stars
(1) South−Western Institute for Astronomy Research, Yunnan University, Kunming, China; (2) Department of Astronomy, Peking University, Beijing, China; (3) Kavli Institute for Astronomy and Astrophysics, Peking University, Beijing, China; (4) IAC; (5) ULL; (6) Department of Physics, Hebei Normal University, Shijiazhuang, China; (7) National Astronomical Observatories, Chinese Academy of Sciences, Beijing, China; (8) Purple Mountain Observatory, the Partner Group of MPI für Astronomie, Nanjing, China
PP 020124
A high resolution spectroscopic study of massive blue and red supergiants in Per OB1
(1) NOT, (2) ULL, (3) IAC
PP 020123
The distribution of star formation in galactic bars as seen with Hα and stacked GALEX UV imaging
(1) Instituto de Astrofísica de Canarias, E-38205, La Laguna, Tenerife, Spain, (2) Departamento de Astrofísica, Universidad de La Laguna, E-38205, La Laguna, Tenerife, Spain, (3) Department for Physics, Engineering Physics and Astrophysics, Queen's University, Kingston, ON K7L 3N6, Canada, (4) Department for Physics, Engineering Physics and Astrophysics, Queen's University, Kingston, ON K7L 3N6, Canada, (5) Geneva Observatory, University of Geneva, Chemin des Maillettes 51, 1290 Sauverny, Switzerland, (6) Space Physics and Astronomy Research Unit, University of Oulu, FI-90014 Finland.
PP 020122
Cosmic Amorphous Dust Model as the Origin of Anomalous Microwave Emission
(1) Tohoku University, Japan
(2) Instituto de Astrofísica de Canarias, Spain
(3) Departamento de Astrofísica, Universidad de La Laguna, Spain
PP 020121
Cool stars in the Galactic Center as seen by APOGEE: M giants, AGB stars and supergiant stars/candidates
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020120
Spectroscopic characterization of the known O-star population in Cyg OB2
1 Universidad de Alicante, 03690 San Vicente del Raspeig, Alicante, Spain
2 Instituto de Astrofísica de Canarias, 38200 La Laguna, Tenerife, Spain
3 Departamento de Astrofísica, Universidad de La Laguna, 38205 La Laguna, Tenerife, Spain
4 ESO, Karl-Schwarzschild-Strasse 2, 85748 Garching bei München, Germany
5 Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität Heidelberg, 69120 Heidelberg, Germany
6 Centro de Astrobiología, CSIC-INTA, Campus ESAC, 28692 Villanueva de la Cañada, Madrid, Spain
7 Instituto de Astrofísica de Andalucía-CSIC, 18008 Granada, Spain
8 Department of Physics and Astronomy, State University of New York at Geneseo, 1 College Circle, Geneseo, NY 14 454, USA
PP 020119
A study of extragalactic planetary nebulae populations basedon spectroscopy. I. Data compilation and first findings
(1) IA-UNAM, Mexico, (2) IAC, Spain, (3) ULL, Spain, (4) LUTH, Observatoire de Paris, France, (5) IRyA, UNAM, Mexico
PP 020118
Geometry of the Draco C1 Symbiotic Binary
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020117
Quantifying the evidence for resonant damping of coronal waves with foot-point wave power asymmetry
(1) Instituto de Astrofísica de Canarias, Spain
(2) Departamento de Astrofísica, Universidad de La Laguna, Spain
PP 020116
A Chi-Squared Analysis of the Measurements of Two Cosmological Parameters Over Time
(1) Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden; (2) IAC; (3) ULL
PP 020115
Gaia-DR2 extended kinematical maps. Part III: Rotation curves analysis, dark matter and Modified Newtonian dynamics tests
(1) IAC, (2) ULL, (3) Centro Ricerche Enrico Fermi, Via Panisperna 89A, I-00184 Rome, Italy; (4) Istituto dei Sistemi Complessi, Consiglio Nazionale delle Ricerche, I-00185, Roma, Italy; (5) Istituto Nazionale Fisica Nucleare, Unità Roma 1, I-00185, Roma, Italy; (6) South-Western Institute for Astronomy Research, Yunnan University, Kunming, 650500, P. R. China; (7) Department of Astronomy, China West Normal University, Nanchong 637009, China; (8) Faculty of Mathematics, Physics, and Informatics, Comenius University, Mlynská dolina, 842 48 Bratislava, Slovakia
PP 020114
Exploring the stellar age distribution of the Milky Way Bulge using APOGEE
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020113
Abell 30 - A Binary Central Star Among the Born-Again Planetary Nebulae
(1) NSF, (2) Valparaiso University, (3) IAC, (4) ULL
PP 020112
Stellar populations and physical properties of starbursts in the Antennae galaxy from self-consistent modelling of MUSE spectra
(1) Leiden Observatory, (2) Instituto de Astrofísica e Ciências do Espaço, (3) Leibniz-Institut für Astrophysik Potsdam (AIP), (4) Institute for Computational Cosmology (ICC), (5) Centre for Extragalactic Astronomy (CEA), (6) Institute for Data Science, (7) Instituto de Astrofísica de Canarias (IAC), (8) Universidad de La Laguna, (9) Institut für Astrophysik, Universität Göttingen,
PP 020111
Phosphorus-rich stars with unusual abundances are challenging theoretical predictions
(1) IAC-ULL; (2) CITIC-UDC; (3) CSIC; (4) DNSM-UDC
PP 020110
Search for the sub-stellar lithium depletion boundary in the open star cluster Coma Berenices
1 Instituto de Astrofísica de Canarias, Calle Vía Láctea s/n, 38200 La Laguna, Tenerife, Spain e-mail: ege@iac.es
2 Departamento de Astrofísica, Universidad de La Laguna, 38206 La Laguna, Tenerife, Spain
3 Consejo Superior de Investigaciones Científicas, 28006 Madrid, Spain
PP 020109
Soft X-ray emission lines in the X-ray binary Swift J1858.6-0814 observed with XMM-Newton-RGS: disc atmosphere or wind?
University of Southampton and other international institutions (including IAC and ULL)
PP 020108
Discovery of optical outflows and inflows in the black hole candidate GRS 1716-249
(1) Instituto de Astrofísica de Canarias; (2) Departamento de Astrofísica, Universidad de La Laguna; (3) South African Astronomical Observatory; (4) University of Southampton; (5) European Southern Observatory; (6) Pontificia Universidad Católica de Chile; (7) University of Oxford; (8) Istituto di Astrofisica e Planetologia Spaziali; (9) Jodrell Bank Centre for Astrophysics; (10) INAF-Osservatorio Astronomico di Brera; (11) Max-Planck-Institut für Extraterrestrische Physik
PP 020107
Resonant absorption: Transformation of compressive motions into vortical motions
(1) Centre for mathematical Plasma Astrophysics, KU Leuven, Belgium
(2) Instituto de Astrofísica de Canarias, Spain
(3) Universidad de La Laguna, Spain
(4) Universitat de les Illes Balears, Spain
(5) Institut d'Aplicacions Computacionals de Codi Comunitari (IAC3), Spain
PP 020106
The Milky Way's bulge star formation history as constrained from its bimodal chemical abundance distribution
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020105
X-ray spectral and timing evolution of MAXI J1727-203 with NICER
School of Physics and Astronomy, University of Southampton, UK and others (including IAC/ULL)
PP 020104
Swift/XRT, Chandra and XMM-Newton observations of IGR J17091-3624 as it returns into quiescence
CONACYT, Instituto de Astronomía, Universidad Nacional Autónoma de México and others (including IAC/ULL)
PP 020103
The post-common-envelope binary central star of the planetary nebula PN G283.7-05.1: A possible post-red-giant-branch planetary nebula central star
(1) IAC, (2) ULL,
PP 020102
Near-infrared emission lines trace the state-independent accretion disc wind of the black hole transient MAXI J1820+070
(1) IAC
PP 020101
APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020100
The impact of strong recombination on temperature determination in planetary nebulae
(1) IA-UNAM, Mexico, (2) IAC, Spain, (3) ULL, Spain, (4) UCL, UK, (5) GTC, Spain, (6) ESO, Germany
PP 020099
The age-chemical abundance structure of the Galactic disc II: α-dichotomy and thick disc formation
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020098
Baryon acoustic oscillations from Integrated Neutral Gas Observations: Broadband corrugated horn construction and testing
(1) Instituto Nacional de Pesquisas Espaciais, Brazil, (2) Universidade de Sao Paulo, (3) IAC, (4) Universidad de La Laguna, (5) University of Manchester, (6) Universite Paris-Sud, (7) Phase2 Microwave Ltd., (8) University College London, (9) Universidade Federal de Campina Grande, (10) Cardiff University, (11) Universidade de Brasilia, (12) YangZhou University
PP 020097
Physics of Eclipsing Binaries. V. General Framework for Solving the Inverse Problem
(1) Villanova, (2)Sydney, (3) Aarhus, (4) AAVSO, (5) IAC, (6) ULL, (7) Eastern, (8) Leuven
PP 020096
Strong chemical tagging with APOGEE: 21 candidate star clusters that have dissolved across the Milky Way disc
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020095
An underlying clock in the extreme flip-flop state transitions of the black hole transient Swift J1658.2-4242
Max Planck Institut für Extraterrestrische Physik and others (including IAC/ULL)
PP 020093
Larger λ_R in the disc of isolated active spiral galaxies than in their non-active twins
(1) IAC, (2) ULL
PP 020092
Determining the dynamics and magnetic fields in He I 10830 Å during a solar filament eruption
(1) AIP, (2) AISAS, (3) KIS, (4) IAC
PP 020090
Chromospheric magnetic field: A comparison of He I 10830 A observations with nonlinear force-free field extrapolation
(1) NAOJ, (2) IAC, (3) ISER, (4) ISAS
PP 020089
Three-dimensional magnetic field structure of a flux-emerging region in the solar atmosphere
(1) Institute for Solar Physics, Stockholm Univ. (2) CSPAR Univ. Alabama, (3) IAC
PP 020087
Rotation of solar analogs cross-matching Kepler and Gaia DR2
1 Universidade Federal do Rio Grande do Norte (UFRN), Departamento de Física, 59078-970, Natal, RN, Brazil
2 Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA
3 Leibniz Institute for Astrophysics Potsdam (AIP), Potsdam, Germany
4 Universidade de São Paulo, Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG), Departamento de Astronomia, Rua do
Matão 1226, Cidade Universitária, 05508-900, SP, Brazil
5 Institute of Physics, Karl-Franzens University of Graz, NAWI Graz, Universitätsplatz 5/II, 8010 Graz, Austria.
6 Instituto de Astrofísica de Canarias, E-38200 La Laguna, Tenerife, Spain
7 Departamento de Astrofísica, Universidad de La Laguna, E-38206 La Laguna, Tenerife, Spain
PP 020086
The (black hole mass)-(color) relations for early- and late-type galaxies: red and blue sequences
(1) UCM (2) IAC (3) ULL
PP 020085
The Te[N II]-Te[O III] temperature relation in H II regions and the reliability of strong-line methods
(1) Instituto Nacional de Astrofísica, óptica y Electrónica (INAOE)
(2) Instituto de Astrofísica de Canarias (IAC)
PP 020084
Helium abundances and its radial gradient from the spectra of HII regions and ring nebulae of the Milky Way
Instituto de Astrofísica de Canarias, E-38200 La Laguna, Tenerife, Spain
Departamento de Astrofísica, Universidad de La Laguna, E-38206, La Laguna, Tenerife, Spain
Instituto Nacional de Astrofísica, Óptica y Electrónica. Apdo. Postal 51 y 216, Puebla, México
Instituto de Astronomía, Universidad Nacional Autónomade México, Apdo. Postal 70-264 Ciudad Universitaria, México
PP 020083
The variable radio counterpart of Swift J1858.6-0814
(1) University of Amsterdam, Netherlands; and several other international institutions (including (2) IAC and (3) ULL)
PP 020082
The C-Band All-Sky Survey (C-BASS): Total intensity point-source detection over the northern sky
(1) University of Oxford, (2) University of Manchester, (3) McGill University, (4) California Institute of Technology, (5) University of KwaZulu-Natal, (6) Rhodes University, (7) South African Radio Astronomy Observatory, (8) Instituto de Astrofisica de Canarias, (9) Universidad de La Laguna
PP 020081
A NICER look at the state transitions of the black hole candidate MAXI J1535-571 during its reflares
(1) IAC
PP 020080
Analysis of the galaxy size versus stellar mass relation
((1) Instituto de Astrofisica de Canarias, La Laguna, Tenerife, Spain, (2) Departamento de Astrofisica, Universidad de La Laguna, Spain)
PP 020079
The SDSS/APOGEE Catalog of HgMn Stars
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020078
Photometric detection of internal gravity waves in upper main-sequence stars. II. Combined TESS photometry and high-resolution spectroscopy
(1) KULeuven, Belgium
(2) IAC/ULL, Spain
PP 020077
A Plague of Magnetic Spots Among the Hot Stars of Globular Clusters
(1) INAF, (2) Univ di Padova, (3) IAC, (4) ULL
PP 020076
The Galactic radial abundance gradients of C, N, O, Ne, S, Cl and Ar from deep spectra of H II regions
(1) Instituto de Astrofísica de Canarias
(2) Departamento de Astrofísica, Universidad de La Laguna
(3) Instituto Nacional de Astrofísica, Óptica y Electrónica
PP 020075
Cold molecular gas and PAH emission in Seyfert galaxies
(1) CAB, CSIC-INTA, (2) IAC, (3) ULL
PP 020074
Integral Field Spectroscopy of Planetary Nebulae with MUSE
(1) ESO, (2) IAC, (3) Uni. de La Laguna
PP 020073
Variability of OB stars from TESS southern Sectors 1-13 and high-resolution IACOB and OWN spectroscopy
(1) KULeuven
(2) IAC & ULL
PP 020072
Mapping the Galactic disk with the LAMOST and Gaia Red clump sample. VI: An evidence for the long lived non-steady warp of non-gravitational scenarios
(1) South−Western Institute for Astronomy Research, Yunnan University, Kunming, China; (2) IAC; (3) ULL
PP 020071
The IACOB project. VI. On the elusive detection of massive O-type stars close to the ZAMS
(1,2) IAC & ULL
(3) CAB/CSIC
PP 020070
Spectroscopic and asteroseismic analysis of the secondary clump red giant HD 226808
1 Natal, RN, Brazil, 2 IFRN, Brazil, 3 Univ. Graz, Austria, 4 IAC, 5 ULL
6 UFCA, Brazil 7 ECT, Natal, RN, Brazil 8 CfA, USA
PP 020069
SDSS-IV MaNGA: Excavating the fossil record of stellar populations in spiral galaxies
U Nottingham, ..., IAC, ULL
PP 020067
Detection of CH+, CH and H2 molecules in the Young Planetary Nebula IC 4997
(1) IIA; (2) McDonald Obs.; (3) IAC-ULL; (4) OAN
PP 020066
LOFAR 144-MHz follow-up observations of GW170817
ASTRON, the Netherlands Institute for Radio Astronomy; International Centre for Radio Astronomy Research, Curtin University (Australia) and several other international institutions (including IAC and ULL).
PP 020065
The curious activity in the nucleus of NGC 4151: jet interaction causing variability?
Oxford & Southampton, others (incl. IAC+ULL)
PP 020064
On aging star clusters using red supergiants independent of the fraction of interacting binary stars
(1) Department of Physics, University of Auckland, New Zealand
(2) NSF National Optical-Infrared Astronomy Research Laboratory, USA
(3) IAC
PP 020063
Properties of OB star-black hole systems derived from detailed binary evolution models
(1) Argelander-Institut fur Astronomie, Universitat Bonn
(2) Max-Planck-Institut fur Radioastronomie, Bonn, Germany
(3) IAC
(4) ULL
PP 020062
Optical validation and characterisation of Planck PSZ1 sources at the Canary Islands observatories. II. Second year of ITP13 observations
(1) IAC, (2) ULL, (3) University of KwaZulu-Natal, Westville Campus, Private Bag X54001, Durban 4000, South Africa, (4) Universidad Andrés Bello, Departemento de Ciencias Físicas, 7591538 Santiago de Chile, Chile, (5) Max-Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg, Germany, (6) Tartu Observatory, University of Tartu, 61602 Tõravere, Tartumaa, Estonia, (7) Institut d’Astrophysique Spatiale, Universitè Paris-Sud, CNRS, UMR8617, 91405 Orsay Cedex, France, (8) IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France, (9) Université Paris Diderot, AIM, Sorbonne Paris Cité, CEA, CNRS, F-91191 Gif-sur-Yvette, France, (10) Max-Planck-Institut für extraterrestrische Physik, D-85748 Garching, Germany, (11) Institute of Theoretical Astrophysics, University of Oslo, PO Box 1029, Blindern, 0315 Oslo, Norway, (12) Astrophysics Group, Cavendish Laboratory, JJ Thomson Av., Cambridge, CB3 0HE, UK, (13) Kavli Institute for Cosmology, Madingley Road, Cambridge, CB3 0HA, UK, (14) Dipartimento di Fisica, Università degli Studi di Roma “Tor Vergata”, via della Ricerca Scientifica, 1, I-00133 Roma, Italy, (15) Université de Toulouse, UPS-OMP, Institut de Recherche en Astrophysique et Planétologie (IRAP), 31400 Toulouse, France, (16) CNRS, IRAP, 9 avenue Colonel Roche, BP 44346, 31028 Toulouse Cedex 4, France, (17) IASF-Milano, Istituto Nazionale di Astrofisica, via A. Corti 12, 20133 Milano, Italy
PP 020061
[Li@C60]PF6: Infrared spectra from 90K to 523K; Determination of the molar extinction coefficients and integrated molar absorptivity
(1) IAC-ULL; (2) INAF-OAC
PP 020060
From the bulge to the outer disc: StarHorse stellar parameters, distances, and extinctions for stars in APOGEE DR16 and other spectroscopic surveys
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020059
Close Binary Companions to APOGEE DR16 Stars: 20,000 Binary-star Systems Across the Color-Magnitude Diagram
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020058
The Changing-look Optical Wind of the Flaring X-Ray Transient Swift J1858.6-0814
(1) Instituto de Astrofísica de Canarias; (2) Departamento de Astrofísica, Universidad de La Laguna;
(3)University of Southampton; (4) University of Amsterdam (5) Universidad Nacional de La Plata; (6) Instituto Argentino de Radioastronomía Argentina; (7) Jodrell Bank Centre for Astrophysics; (8) Atatürk University; (9) Netherlands Institute for Space Research
PP 020057
Structure of the outer Galactic disc with Gaia-DR2
(1) IAC, (2) ULL, (3) Faculty of Mathematics, Physics, and Informatics, Comenius University, Bratislava, Slovakia
PP 020056
The single-sided pulsator CO Camelopardalis
(1) North West Uni., (2) UCLAN, (3) NCAC, (4) MIT, (5) Tohoku Uni., (6) Caltech, (7) Amateur Astronomer, (8) Citizen Scientist, (9) IAC, (10) ULL, (11) Uni. of Texas, (12) Amateur Astronomer, (13) Bishops Uni., (14) Canakkale Onsekiz Mart Uni., (15) INFN
PP 020055
Analysis of absorption lines in the high resolution spectra of five hot post-AGB candidates
(1)Instituto de Astrofis ́ıca de Canarias, 38200, La Laguna, Tenerife, Spain
(2)Departamento de Astrof ́ısica, Universidad de La Laguna, 38205, La Laguna, Tenerife, Spain
(3)Indian Institute of Astrophysics, Koramangala, Bangalore 560034, India
(4)National Astronomical Observatory of Japan (NAOJ), 2-21-1 Osawa, Mitaka,, Tokyo 181-8588, Japan
(5) Leibniz-Institute for Astrophysik, Potsdam (AIP), An der Sternwarte 1
(6) D-14482 Potsdam, Germany 6 Indian Institute of Technology, Kanpur, India
PP 020054
The recurrent impact of the Sagittarius dwarf on the Milky Way star formation history
1- IAC; 2- ULL; 3- Université Côte d'Azur; 4- INAF
PP 020052
Age-chemical abundance structure of the Galaxy I: Evidence for a late accretion event in the outer disc at z~0.6
(1) University of Portsmouth; (2) IAC-ULL; (3) University of Hawaii; (4) Apache Point Observatory; (5) Universidad Andres Bello; (6) Universidad de Atacama
PP 020051
Spectral classification of B stars: The empirical sequence using SDSS-IV/APOGEE near-IR data
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020050
Searching for molecular gas in/outflows in the nuclear regions of five Seyfert galaxies
(1) OAN, (2) UCM, (3) CAB, (4) MPE, (5) Space Telescope Science Institute, (6) CAB CSIC-INTA, (7) NAOJ, (8) IAC, (9) ULL, (10) University of Oxford
PP 020049
The intra-cluster light as a tracer of the total matter density distribution: a view from simulations
(1) Instituto de Astrofísica de Canarias (2) Departamento de Astrofísica, Universidad de La Laguna (3) Leiden Observatory (4) Department of Physics, Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology (5) Jodrell Bank Centre for Astrophysics, Department of Physics and Astronomy, School of Natural Sciences,The University of Manchester
PP 020048
Tidally Trapped Pulsations in a close binary star system discovered by TESS
(1) NCAC, (2) UCLAN, (3) MIT, (4) Tohoku University, (5) TAPIR, (6) IAC, (7) ULL, (8) Penn State, (9) Canakkale Onsekiz Mart University, (10) ANU, (11) SIfA, (12) Planet Hunters, (13) Amateur Astronomer, (14) University of Texas
PP 020047
Can we detect the stellar differential rotation of WASP-7 through the Rossiter-McLaughlin observations?
(1)Instituto de Astrofísica e Ciências do Espaço, Universidade do Porto, CAUP, Rua das Estrelas, PT4150-762 Porto, Portugal, (2) Departamento de Física e Astronomia, Faculdade de Ciências, Universidade do Porto, Rua Campo Alegre, 4169-007 Porto, Portugal, (3) Institut für Astrophysik, Georg-August-Universität Göttingen, Friedrich-Hund-Platz 1, 37077, Göttingen, Germany, (4)Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, Versoix 1290, Switzerland, (5) Instituto de Astrofísica de Canarias (IAC), E-38200 La Laguna, Tenerife, Spain
PP 020046
Stellar activity consequence on the retrieved transmission spectra through chromatic Rossiter-McLaughlin observations
(1)Institut für Astrophysik, Georg-August Universität Göttingen, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany, (2)Instituto de Astrofísica de Canarias (IAC), E-38200 La Laguna, Tenerife, Spain, (3)Instituto de Astrofísica e Ciências do Espaço, Universidade do Porto, CAUP, Rua das Estrelas, PT4150-762 Porto, Portugal, (4) Leibniz-Institut für Astrophysik Potsdam, An der Sternwarte 16, D-14482 Potsdam, Germany, (5) Departamento de Física e Astronomia, Faculdade de Ciências, Universidade do Porto, R. Campo Alegre, 4169-007 Porto, Portugal, (6) Instituto de Astrofísica de Andalucía (CSIC), Glorieta de la Astronomía s/n, 18008 Granada, Spain, (7) European Southern Observatory, Alonso de Córdova 3107, Santiago, Chile
PP 020045
Gas fractions and depletion times in galaxies with different degrees of interaction
IAC & ULL
PP 020044
The OTELO survey. A case study of [O III]4959,5007 emitters at
The OTELO survey. A case study of [O III]4959,5007 emitters at = 0.83
(1)IRAM, (2)IAC, (3) ULL, (4)ASPID, (5) CAB (CISC-INTA), (6) ISDEFE (7) IAA (CSIC), (8) Instituto de Física de Cantabria (CSIC-Universidad de Cantabria), (9)UCM, (10) Grantecan, (11) Universidade de São Paulo, Instituto de Astronomia (12) IA- UNAM, (13) Departamento de Física, Instituto Politécnico Nacional (Mexico) (14)Ethiopian Space Science and Technology Institute (ESSTI), (15)Department of Astronomy & Astrophysics, University of Toronto, Canada, (16) Institute for Astronomy, University of Edinburgh, (17) ESO, (18) DARK (Denmark), (19) English Language and Foundation Studies Centre, University of Newcastle, Australia, (20) Sydney Institute of Astronomy, Australia, (21)INAF, Telescopio Nazionale Galileo
PP 020043
The Open Cluster Chemical Abundances and Mapping Survey: IV. Abundances for 128 Open Clusters using SDSS/APOGEE DR16
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020042
When the disc's away, the stars will play: dynamical masses in the nova-like variable KR Aur with a pinch of accretion
(1) IAC, (2) ULL, (3) SRON, (4) Univ. Warwick, (5) Mollerlyceum, Bergen op Zoom, NL, (6) Univ. Kiel, (7) Observatorio Guadarrama
PP 020041
A Theoretical Investigation of the Possible Detection of C24 in Space
(1) Sun Yat-sen Univ.; (2) Univ. of British Columbia; (3) INAF-OAC; (4) IAC-ULL; (5) CSIC
PP 020040
The Chemical Compositions of Accreted and in situ Galactic Globular Clusters According to SDSS/APOGEE
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020039
The C-Band All-Sky Survey (C-BASS): Simulated parametric fitting in single pixels in total intensity and polarization
(1) University of Oxford, (2) University of Manchester, (3) McGill University, (4) California Institute of Technology, (5) University of KwaZulu-Natal, (6) Rhodes University, (7) South African Radio Astronomy Observatory, (8) Instituto de Astrofisica de Canarias, (9) Universidad de La Laguna
PP 020038
Thermal emission from the amorphous dust: An alternative possibility of the origin of the anomalous microwave emission
1 Tohoku University
2 Instituto de Astrofísica de Canarias
3 Universidad de La Laguna
PP 020037
Time-domain study of the young massive cluster Westerlund 2 with the Hubble Space Telescope. I
(1) STScI (2) IAC
PP 020036
Characterization of M-stars in the LMC in the JWST era
1) Dipartimento di Matematica e Fisica, Universit ́a degli Studi Roma Tre, via della Vasca Navale 84, 00100, Roma
2) INAF, Osservatorio Astronomico di Roma, Via Frascati 33, 00077, Monte Porzio Catone, Italy
3) Instituto de Astrof ́ısica de Canarias (IAC), E-38200 La Laguna, Tenerife, Spain
4) Departamento de Astrof ́ısica, Universidad de La Laguna (ULL), E-38206 La Laguna, Tenerife, Spain
5) Koninklijke Sterrenwacht van België, Ringlaan 3, 1180 Brussels, Belgium
6) Nordita, KTH Royal Institute of Technology and Stockholm University, Roslagstullsbacken 23, SE-106 91 Stockholm, Sweden
7) Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia
8) ASI, Via del Politecnico, 00133 Roma, Italy
9) Dipartimento di Fisica e Astronomia 'Galileo Galilei', Univ. di Padova, Vicolo dell'Osservatorio 3, I-35122 Padova, Italy
10) Departamento de Fisica Teorica, Universidad Autonoma de Madrid, Cantoblanco 28049 Madrid, Spain
PP 020035
The Lazy Giants: APOGEE Abundances Reveal Low Star Formation Efficiencies in the Magellanic Clouds
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020034
Darwin tra le stelle
Instituto de Astrofísica de Canarias, Departamento de Astrofísica Universidad de La Laguna & INAF-Osservatorio Astronomico di Trieste (Italy)
PP 020033
Darwin tra le stelle
Instituto de Astrofísica de Canarias, Departamento de Astrofísica Universidad de La Laguna & INAF-Osservatorio Astronomico di Trieste (Italy)
PP 020032
The Stellar Atmosphere Physical System II An Operative Sequential Algorithm to Solve the Stellar Atmosphere Problem
Instituto de Astrofísica de Canarias, Departamento de Astrofísica Universidad de La Laguna & INAF-Osservatorio Astronomico di Trieste (Italy)
PP 020031
The Tucana dwarf spheroidal galaxy: not such a massive failure after all
(1) Instituto de Astrofisica de Canarias, C/Via Lactea s/n, E-38205, La Laguna, Tenerife, Spain
(2) Departamento de Astrofisica, Universidad de La Laguna, E-38205, La Laguna, Tenerife, Spain
(3) European Southern Observatory, Karl-Schwarzschild Strasse 2, D-85748 Garching, Germany
(4) Max Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg, Germany
(5) Dipartimento di Fisica e Astronomia "G. Galilei", Università di Padova, vicolo dell'Osservatorio 3, 35122 PD, Italy
(6) Institute of Physics, Laboratory of Astrophysics, Ecole Polytechnique Federale de Lausanne (EPFL), 1290 Sauverny, Switzerland
(7) GEPI, CNRS UMR 8111, Observatoire de Paris, PSL Research University, F-92125, Meudon, Cedex, France
(8) Instituto de Astrofisica, Pontificia Universidad Catolica de Chile, Av. Vicuña Mackenna 4860, 782-0436 Macul, Santiago, Chile
(9) Millennium Institute of Astrophysics, Av. Vicuña Mackenna 4860, 782-0436 Macul, Santiago, Chile
PP 020030
Multiwavelength behaviour of the blazar 3C 279: decade-long study from γ-ray to radio
(1) Astron. Inst., St.-Petersburg, (2) Institute for Astrophysical Research, Boston University, (3) IAC, (4) Dpto. Astrofisica - ULL
PP 020029
Quasi-periodic behaviour in the optical and γ-ray light curves of blazars 3C 66A and B2 1633+38
(1) IAC, (2) Dpto. de Astrofísica (ULL)
PP 020027
Full orbital solution for the binary system in the northern Galactic disc microlensing event Gaia16aye
(1) Warsaw University Astronomical Observatory, (2) IAC
PP 020026
AT 2019abn: multi-wavelength observations of the first 200 days
(1) Lancaster, (2) FINCA, (3) Turku, (4) IAC, (5) ULL, (6) GTC, (7) Liverpool John Moores, (8) Charles, (9) Vienna, (10) NOT
PP 020025
The extreme CNO-enhanced composition of the primitive iron-poor dwarf star J0815+4729
(1) IAC, (2) University of Cambridge (UK), (3) University of California San Diego
PP 020023
Title:Influence of magnetic activity on the determination of stellar parameters through asteroseismology
(1) IAC, (2) CEA, (3) Space Science Institute
PP 020022
Title:The Transiting Multi-planet System HD15337: Two Nearly Equal-mass Planets Straddling the Radius Gap
(1) IAC
PP 020020
Title:FliPer$_{Class}$: In search of solar-like pulsators among TESS targets
(1) CEA, (2) IAC, (3) Birmingham University, (4) Aarus University
PP 020019
Title:A giant impact as the likely origin of different twins in the Kepler-107 exoplanet system
*IAC
PP 020018
Physical conditions and chemical abundances in photoionized nebulae from optical spectra
(1) IAC, Spain, (2) ULL, Spain
PP 020017
Stellar Characterization of M-dwarfs from the APOGEE Survey: A Calibrator Sample for the M-dwarf Metallicities
Several institutions from North and South America and Europe (including IAC and ULL)
PP 020016
Ondrejov echelle spectrograph, ground based support facility for exoplanet missions
(1) Czech Academy of Sciences, (2) Tautenburg, (3) IAC, (4) ULL, (5) Masaryk University, (6) Slovak Academy of Sciences
PP 020014
Gaia-DR2 extended kinematical maps. Part II: Dynamics in the Galactic disk explaining radial and vertical velocities
(1) IAC, (2) ULL, (3) South−Western Institute for Astronomy Research, Yunnan University, Kunming, China, (4) Department of Astronomy, China West Normal University, Nanchong, China, (5) Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi, Compendio del Viminale, Rome, Italy, (6) Istituto dei Sistemi Complessi, Consiglio Nazionale delle Ricerche, 00185 Roma, Italy, (7) Faculty of Mathematics, Physics, and Informatics, Comenius University, Mlynska dolina, Bratislava, Slovakia, (8) Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing, China, (9) Purple Mountain Observatory, the Partner Group of MPI fur Astronomie, 2 West Beijing Road, Nanjing, China, (10) Nordic Institute of Theoretical Physics, Roslagstullsbacken 23, Stockholm, Sweden.
PP 020013
A physically motivated definition for the size of galaxies in an era of ultra-deep imaging
IAC & ULL
PP 020011
Multiplicity of the red supergiant population in the young massive cluster NGC 330
1. IAC
2. ULL
PP 020010
Physical parameters of red supergiants in dwarf irregular galaxies in the Local Group
(1) IAC, (2) ULL, (3) IAASARS Greece, (4) Centro de Astrobiologia, (5) Grantecan S.A., (6) STSI, (7) ESO, (8) Rutgers Uni USA
PP 020007
Modelling the strongest silicate emission features of local type 1 AGN
(1) Korea Astronomy and Space Science Institute, (2) IRyA/UNAM, (3) CAB, (4) Instituto de Astronomía/UNAM, (5) IAC, (6) ULL, (7) INAOE
PP 020006
A detailed non-LTE analysis of LB-1: Revised parameters and surface abundances
1. IAC, 2. ULL, Tenerife, Spain 3. CAB, ESAC Campus, Madrid 4. Leibnitz Inst. f Astrophysics, Potsdam, Germany 5. NOT, La Palma, Spain 6. Astroph. Res. Centre, Queen's Uni. of Belfast
PP 020005
Title:The young massive SMC cluster NGC 330 seen by MUSE. I. Observations and stellar content
1. KU Leuven, 2. IAC, 3. ULL Tenerife, 4. Uni Amsterdam, 5. Cfa Harvard, 6. UKATC Edinburgh, 7. Carnegie Obs., USA, 8. Argelander Inst. Bonn, 9. Heidelberg Inst. f Theoretical Studies, 10. Nat. Obs. Athens
PP 020004
Title:The NGC 346 massive star census: Nitrogen abundances for apparently single, narrow lined, hydrogen core burning B-type stars
1. Queen's Uni of Belfast, 2. UKATC Edinburgh, 3. IAC
PP 020003
Title:The Tarantula Massive Binary Monitoring: III. Atmosphere analysis of double-lined spectroscopic systems
1. KU Leaven, 2. Uni de Estadio Rio Grande do Norter, Brazil, 3. Uni Federal de Rio Grnade do Norte, Brazil, 4. Argelander Inst Astron. Bonn, 5. Uni Amsterdam, 6.CfA Harvard, 7. UKATC, Edinburgh, 8. Uni Montreal, 9. Uni Heidelberg, 10. Heidelberg Inst Theor, Studies, 11. Uni La Serena, Chile, 12. Open Uni., UK, 13. Uni Sheffield, 14.IAC, 15., ESAC, ESA, 16. National Obs Athens, 17. Armagh Obs.
PP 020002
Title:Properties of OB star-black hole systems derived from detailed binary evolution models
1. Argelander Inst. Astron. Bonn, 2. MP Radioastronomie Bonn, 3. KU Leuven, 4. CIERA, Northwestern Uni., 5.IAC, 6. CfA, Harvard, 7. Uni Amsterdam,
PP 020001
Title:The VLT-FLAMES Tarantula Survey XXXII. Low-luminosity late O-type stars -- classification, main physical parameters, and silicon abundances
1.Bulgarian Academy of Sciences, 2. Univ. of Munich, 3. Queens Univesity of Belfast, 4. IAC, 5. ATC Edinburgh, 6. Univ. of Amsterdam, 7. DLR, 8. Univ. Leuven, 9. Armagh Obs.