Preprints in 2005

PP 05057

Star formation and stellar populations in the Wolf-Rayet(?) luminous compact blue galaxy IRAS 08339+6517
Ángel R. López-Sánchez(1),César Esteban(1) and Jorge García-Rojas(1)
(1)Instituto de Astrofísica de Canarias, E-38200, La Laguna, Tenerife, Spain
Accepted for publication in A&A | Submitted on 2005-12-20 | Project P14/86
PP 05056

Abundances of refractory elements in the atmospheres of stars with extrasolar planets
G. Gilli (1,2), G. Israelian (2), A. Ecuvillon (2), N.C. Santos(3,4) and M. Mayor(4)
(1) Dipartimento de Astronomia, Universitá di Padova, Italy, (2) Insituto de Astrofísica de Canarias, Spain, (3) Observatorio Astronomico de Lisboa, Portugal, (4) Observatoire de Geneve, Switzerland
Accepted for publication in A&A | Submitted on 2005-12-15 | Project 3I2304
PP 05055

Abundance ratios of volatile vs. refractory elements in planet-harbouring stars: hints of pollution?
A. Ecuvillon (1), G. Israelian (1), N.C. Santos (2,3), M. Mayor (3), G. Gilli (1,4)
(1) Insituto de Astrofísica de Canarias, Spain, (2) Observatorio Astronomico de Lisboa, Portugal, (3) Observatoire de Geneve, Switzerland, (4) Dipartimento de Astronomia, Universitá di Padova, Italy
Accepted for publication in A&A | Submitted on 2005-12-15 | Project 3I2304
PP 05054

Magnetic flux in the inter-network quiet Sun from comparison with numerical simulations
J. Sanchez Almeida
Instituto de Astrofisica de Canarias, E-38205 La Laguna, Tenerife, Spain
Accepted for publication in A&A | Submitted on 2005-12-15 | Project 2I1502
PP 05053

Spectropolarimetric investigation of the propagation of magnetoacoustic waves and shock formation in sunspot atmospheres
Rebecca Centeno (1), Manuel Collados (1) and Javier Trujillo Bueno (1,2)
(1) Instituto de Astrofisica de Canarias (2) Consejo Superior de Investigaciones Cientificas
Accepted for publication in ApJ | Submitted on 2005-12-05 | Project 2/99
PP 05052

Collisional depolarization of molecular lines. Application to the SiO+H isotropic collisions
M. Derouich
Instituto de Astrofísica de Canarias, 38205 La Laguna, Tenerife, Spain
Accepted for publication in A&A | Submitted on 2005-12-05 | Project 5/96
PP 05051

The Bimodal Metallicity Distribution Function of the Globular Clusters in the Galaxy:Halo Disc Complementarity
E. Casuso(1) and J.E.Beckman (1,2)
(1) Instituto de Astrofisica de Canarias (2) CSIC
Accepted for publication in A&A | Submitted on 2005-11-08 | Project P3/86
PP 05050

GOYA Survey: U and B Number Counts in the Groth-Westphal Strip
M. C. Eliche-Moral (1), M. Balcells (1), M. Prieto (1,2), C.E. Garcia-Dabo (1), P. Erwin (1), and D. Cristobal-Hornillos (1)
(1) Instituto de Astrofisica de Canarias, Spain, (2) Departamento de Astrofisica de la Universidad de La Laguna, Spain
Accepted for publication in ApJ | Submitted on 2005-11-07 | Project 310500
PP 05049

A Qualitative Interpretation of the Second Solar Spectrum of Cerium
R. Manso Sainz (1) , E. Landi Degl'Innocenti (2) and J. Trujillo Bueno (3)
(1) HAO (2) Univ. Firenze (3) IAC
Accepted for publication in A&A | Submitted on 2005-11-03 | Project 5/96
PP 05048

Evidence for collisional depolarization in the MgH lines of the second solar spectrum
A. Asensio Ramos (1), J. Trujillo Bueno (1,2)
(1) IAC, (2) CSIC
Accepted for publication in ApJ | Submitted on 2005-10-31 | Project 5/96
PP 05046

Evidence for Fine Structure in the Chromospheric Umbral Oscillation.
R. Centeno (1), H. Socas-Navarro (2), M. Collados(1), J. Trujillo Bueno (1)
(1) Instituto de Astrofísica de Canaria, Spain, (2) High Altitude Observatory, USA
Accepted for publication in ApJ | Submitted on 2005-10-20 | Project
PP 05045

Solar Rotation in the 17-th century
R. Casas (1), J.M. Vaquero (2), M. Vazquez (3)
(1) Agrupación Astronómica de Sabadell, Spain, (2) Departamento de Física, Universidad de Extremadura, Spain, (3) Instituto de Astrofísica de Canarias, Spain
Accepted for publication in Solar Physics | Submitted on 2005-10-20 | Project
PP 05044

Detailed spectroscopic analysis of the Trapezium cluster stars inside the Orion nebula
S. Simon-Diaz (1,2), A. Herrero (1,3), C. Esteban (1,3) and F. Najarro (4)
(1) Instituto de Astrofísica de Canarias, Spain, (2) Isaac Newton Group of Telescopes, Spain (3) Departamento de Astrofisica, ULL, Spain, (4) Instituto de Estructura de la Materia, CSIC, Spain.
Accepted for publication in A&A | Submitted on 2005-10-20 | Project
PP 05041

Research on candidates for non-cosmological redshifts
M. López-Corredoira (1), C. M. Gutiérrez (1)
(1) Instituto de Astrofísica de Canarias, Spain
Accepted for publication in AIP Proceedings Series | Submitted on 2005-10-19 | Project
PP 05040

A seismological analysis of Delta Scuti stars in the Pleiades cluster
L. Fox Machado(1), F. Pérez Hernández(2), J.C. Suárez(3), E. Michel(4), Y. Lebreton(5)
(1) Instituto de Astrofísica de Canarias, Spain, (2) Departamento de Astrofísica ULL, Spain, (3) Instituto de Astrofísica de Andalucía, Spain, (4) Observatoire de Paris, LESIA, France, (5) Observatoire de Paris, GEPI, France
Accepted for publication in A&A | Submitted on 2005-10-19 | Project
PP 05039

Oxygen abundances in planet-harbouring stars. Comparison of different abundance indicators
A. Ecuvillon (1), G. Israelian (1), N. C. Santos (2,3), N. G., Shchukina (4), M. Mayor (3), R. Rebolo (1,5)
(1) Instituto de Astrofísica de Canarias, Spain, (2) Observatorio Astronomico de Lisboa, Portugal, (3) Observatoire de Geneve, Switzerland, (4) Main Astronomical Observatory, Ukraine, (5) Consejo Superior de Investigaciones Científicas, Spain
Accepted for publication in A&A | Submitted on 2005-10-19 | Project
PP 05038

Theory and Modeling of the Zeeman and Paschen-Back effects in Molecular Lines
A. Asensio Ramos (1), J. Trujillo Bueno (1,2)
(1) Instituto de Astrofísica de Canarias, Spain, (2) Consejo Superior de Investigaciones Científicas, Spain
Accepted for publication in ApJ | Submitted on 2005-10-19 | Project
PP 05036

Electric dipole emission by fulleranes and Galactic anomalous microwave emision.
S Iglesias-Groth (1)
(1) Instituto de Astrofísica de Canarias, Spain
Accepted for publication in ApJL | Submitted on 2005-09-12 | Project
PP 05035

Harassment Origin for Kinematic Substructures in Dwarf Elliptical Galaxies

A.C. Gonzalez-Garcia (1), J.A.L. Aguerri (1), M. Balcells (1)
(1) Instituto de Astrofísica de Canarias, Spain
Accepted for publication in A&A | Submitted on 2005-09-12 | Project
PP 05034

VGCF Comparison of the Halpha equivalent width of HII regions in a flocculent and a grand design galaxy: possible evidences for IMF variations

B. Cedres (1), J. Cepa (1) and A. Tomita (2)
(1) Instituto de Astrofísica de Canarias, Spain; (2) Wakayama University, Wakayama, Japan.
Accepted for publication in ApJ | Submitted on 2005-09-12 | Project
PP 05033

VGCF Detection of Galaxy Systems at Intermediate Redshift

R. Barrena (1), M. Ramella (2), W. Boschin (3,4), M. Nonino (2), A. Biviano (2), E. Mediavilla (1)
(1) Instituto de Astrofísica de Canarias, Spain; (2) INAF, Osservatorio Astronomico di Trieste; (3) INAF, Telescopio Nazionale Galileo; (4) Dipartimento di Astronomia of the Universita degli Studi di Trieste.
Accepted for publication in A&A | Submitted on 2005-09-12 | Project
PP 05032

Chemical composition of Galactic OB stars II. The fast rotator Z Oph
M.R. Villamariz (1), A. Herrero (1,2)
(1) Instituto de Astrofísica de Canarias, Spain, (2) Dept. Astrofisica, University La Laguna, Spain
Accepted for publication in A&A | Submitted on 2005-09-12 | Project
PP 05031

The 3D interaction between emerging magnetic flux and a large scale coronal field: reconnection, current sheets and jets
V. Archontis (1), F. Moreno-Insertis (1,2), K. Galsgaard (3) and A.W. Hood (4)
(1) Instituto de Astrofísica de Canarias, Spain, (2) Department of Astrophysics, Universidad de La Laguna, Spain, (3) Niels Bohr Institute, Copenhagen, Denmark, (4) School of Mathematics and Statistics, University of St.Andrews, UK,
Accepted for publication in ApJ | Submitted on 2005-09-12 | Project
PP 05030

A VSA search for the extended Sunyaev-Zel'dovich Effect in the Corona Borealis Supercluster
R Génova-Santos (1), J A Rubiño-Martín (1), R Rebolo (1,4), K Cleary (2), R D Davies (2), R J Davis (2), C Dickinson (2), N Falcon (1,5), K Grainge (3), C M Gutiérrez (1), M P Hobson (3), M E Jones (3), R Kneissl (3), K Lancaster (3), C P Padilla-Torres (1), R D E Saunders (3), P F Scott (3), A C Taylor (3) & R A Watson (2)
(1) Instituto de Astrofísica de Canarias, Spain, (2) Jodrell Bank Observatory, University of Manchester, UK, (3) Astrophysics Group, Cavendish Laboratory, University of Cambridge, UK, (3) Consejo Superior de Investigaciones Científicas, Spain, (5) Dpt. de Física, FACYT, Universidad de Carabobo, Venezuela
Accepted for publication in | Submitted on 2005-09-12 | Project project
PP 05029

The Scientific Case for Spectropolarimetry from Space: A Novel Diagnostic Window on Cosmic Magnetic Fields.
J. Trujillo Bueno (1), E. Landi Degl'Innocenti (2), R. Casini (3), V. Martínez Pillet (1)
(1) Instituto de Astrofísica de Canarias, Spain; (2) University of Florence, Italy; (3) HAO, USA.
Accepted for publication in ESA SP Conference Series | Submitted on 2005-07-20 | Project
PP 05027

Deep Echelle Spectrophotometry of S 311, a Galactic H II Region Outside the Solar Circle.
J. García-Rojas (1), C. Esteban (1), A. Peimbert (2), M. Peimbert (2), M. Rodríguez (3), M. T. Ruiz (4)
(1) Instituto de Astrofísica de Canarias, Spain. (2) Institute of Astronomy - UNAM, Mexico. (3) INAOE, Mexico. (4) Univ. Chile
Accepted for publication in MNRAS | Submitted on 2005-07-01 | Project
PP 05026

Encounters between spherical galaxies II: systems with dark halo.
A.C. Gonzalez-Garcia (1,2), T.S. van Albada (2)
(1) Instituto de Astrofísica de Canarias, Spain. (2) Kapteyn Astronomical Institute, the Netherlands
Accepted for publication in MNRAS | Submitted on 2005-07-01 | Project
PP 05025

Encounters between spherical galaxies I: systems without dark halo.
A.C. Gonzalez-Garcia (1,2), T.S. van Albada (2)
(1) Instituto de Astrofísica de Canarias, Spain. (2) Kapteyn Astronomical Institute, the Netherlands
Accepted for publication in MNRAS | Submitted on 2005-07-01 | Project
PP 05023

Temperature fluctuations in HII regions: ionization by Cosmic Rays as a key mechanism.
C. Giammanco (1), J. E. Beckman (1,2)
(1) Instituto de Astrofísica de Canarias, Spain. (2) Consejo Superior de Investigaciones Científicas, Spain
Accepted for publication in A&A Letters | Submitted on 2005-07-01 | Project
PP 05022

Polynomial Approximants for the Calculation of Polarization Profiles in the He I 10830 Multiplet.
H. Socas-Navarro (1), J. Trujillo Bueno (2), E. Landi Degl'Innocenti (3)
(1) High Altitude Observatory, USA. (2) Instituto de Astrofísica de Canarias, Spain. (3) Univ. Firenze, Italy
Accepted for publication in ApJ Sup Series | Submitted on 2005-07-01 | Project
PP 05018

Chemical Abundances in the Secondary Star of the Neutron Star Binary Centaurus X-4
Jonay I. González Hernández(1), Rafael Rebolo(1), Garik Israelian(1), Jorge Casares(1), Keiichi Maeda(2), Piercarlo Bonifacio (3) and Paolo Molaro(3)
(1) Instituto de Astrofísica de Canarias, Spain. (2) Department of Earth Science and Astronomy, College of Arts and Science, University of Tokyo, JAPAN. (3) Osservatorio Astronomico di Trieste, Trieste, ITALY
Accepted for publication in ApJ | Submitted on 2005-07-01 | Project
PP 05017

Effects of photon escape on diagnostic diagrams for HII regions.
C. Giammanco (1), J. E. Beckman (1,2), B. Cedrés (1)
(1) Instituto de Astrofísica de Canarias, Spain. (2) Consejo Superior de Investigaciones Científicas
Accepted for publication in A&A | Submitted on 2005-07-01 | Project
PP 05016

Abundances of Na, Mg and Al in stars with giant planets
Beirao, P.(1) Santos, N. C.(1) Israelian, G.(2) Mayor, M. (3)
(1)Obs. Lisboa, Portugal. (2) Instituto de Astrofísica de Canarias, Spain. (3) Obs. Ginevra, Switzerland
Accepted for publication in A&A | Submitted on 2005-07-01 | Project
PP 05015

On the Nature of Lithium-Rich giant stars. Constraints from Beryllium abundances.
C. Melo, P. de Laverny, N. Santos, G. Israelian, S. Randich, D. do Nascimento, J. R. De Medeiros
(1) European Southern Observatory. (2) Nice, France. (3) Obs. Lisboa, Portugal. (4) Instituto de Astrofísica de Canarias, Spain. (5) Oss Firenze, Italy. (6) Univ. Rio Grande, Natal, Brasil
Accepted for publication in A&A | Submitted on 2005-07-01 | Project
PP 05014

Detection of anomalous microwave emission in the Perseus molecular cloud with the COSMOSOMAS experiment.
R. A. Watson (1, 2), R. Rebolo (2), J. A. Rubino-Martin (2), S. Hildebrandt (2), C. M. Gutierrez (2), S. Fernandez-Cerezo (2), R. J. Hoyland (2), E. S. Battistelli (2)
(1) Jodrell Bank Observatory, UK. (2) Instituto de Astrofísica de Canarias, Spain
Accepted for publication in ApJ | Submitted on 2005-07-01 | Project
PP 05013

The imprint of cosmological hydrogen recombination lines on the power spectrum of the CMB
J.A. Rubino-Martin (1,2), C. Hernandez-Monteagudo (1), R.A. Sunyaev (1,3)
(1) Max-Planck-Institut für Astrophysik, Germany. (2) Instituto de Astrofísica de Canarias, Spain. (3) Space Research Institute, Russia (IKI).
Accepted for publication in A&A | Submitted on 2005-07-01 | Project
PP 05011

Spectroscopic metallicities for planet-host stars: extending the samples
N. C. Santos(1,2), G. Israelian(3),M. Mayor(2), J. P. Bento(1), P.C. Almeida(1), S. G. Sousa(1), A. Ecuvillon(3)
(1) School of Physics, University of New South Wales, Sydney, Australia. (2) Astronomical Institute, Tohoku University, Sendai, Japan. (3) Instituto de Astrofísica de Canarias, Spain
Accepted for publication in MNRAS | Submitted on 2005-07-01 | Project
PP 05010

Preparing the COROT space mission: new variable stars in the galactic Anticenter direction.
E. Poretti (1), R. Alonso (2), P.J. Amado (3), J.A. Belmonte (2), R. Garrido (3), S. Martín-Ruiz (3,1), K. Uytterhoeven (4), C. Catala (5), Y. Lebreton (6), E. Michel (5), J.C. Suárez (3,5), C. Aerts (4), O. Creevey (2,7), M.J. Goupil (5), L. Mantegazza (1), P. Mathias (8), M. Rainer (1), W.W. Weiss (9)
(1) INAF-Osservatorio Astronomico di Brera, Italy. (2) Instituto de Astrofísica de Canarias, Spain. (3) Instituto de Astrofísica de Andalucía, Spain. (4) Instituut voor Sterrenkunde, Leuven, Belgium. (5) Observatoire de Paris, LESIA, France. (6) Observatoire de Paris, GEPI, France. (7) High Altitude Observatory, USA. (8) Observatoire de la Cote d'Azur, GEMINI, France. (9) Universitat Wien, Austria
Accepted for publication in AJ | Submitted on 2005-07-01 | Project
PP 05009

Detection of Thermal Emission from an Extrasolar Planet
D. Charbonneau (1), L.E. Allen (1), T. Megeath (1), G. Torres (1), R. Alonso (2), T.M. Brown (3), R.L. Gilliland (4), D.W. Latham (1), G. Mandushev (5), F.T. O'Donovan (6), A. Sozzetti (7,1)
(1) Harvard-Smithsonian Center for Astrophysics, USA. (2) Instituto de Astrofísica de Canarias, Spain. (3) High Altitude Observatory, USA. (4) STScI, USA. (5) Lowell Observatory, USA. ((6) Caltech, USA. (7) University of Pittsburgh, USA
Accepted for publication in ApJ | Submitted on 2005-07-01 | Project
PP 05008

Observation and Modeling of Anomalous CN Polarization Profiles produced by the Molecular Paschen-Back Effect in Sunspots.
A. Asensio Ramos (1,2); J. Trujillo Bueno (1) and M. Collados (1)
(1) Instituto de Astrofisica de Canarias, Spain (2) Arcetri's Astrophysical Observatory, Italy
Accepted for publication in ApJ | Submitted on 2005-07-01 | Project PP 23/23
PP 05007

On the kinematics of the neutron star low mass X-ray binary Cen X-4
J. I. González Hernández(1), R. Rebolo(1,2,3), J. Peñarrubia(3), J. Casares(1), G. Israelian(1)
(1) Instituto de Astrofísica de Canarias, Spain. (2) Consejo Superioir de Investigaciones Científicas, Spain. (3) Max-Planck Institut für Astronomie, Germany
Accepted for publication in A&A | Submitted on 2005-07-01 | Project
PP 05006

Dichroic Masers due to Radiation Anisotropy and the Influence of the Hanle Effect on the Circumstellar SiO Polarization.
A. Asensio Ramos (1,3), E. Landi Degl'Innocenti (2), J. Trujillo Bueno (3)
(1) Arcetri Astrophysical Observatory, Italy. (2) University of Florence, Italy. (3) Instituto de Astrofisica de Canarias, Spain
Accepted for publication in ApJ | Submitted on 2005-07-01 | Project
PP 05005

Very Small Array observations of the Sunyaev-Zel'dovich effect in nearby galaxy clusters.
K. Lancaster(1), R. Genova-Santos(2), N. Falcón(2,6), K. Grainge(1), C. Gutiérrez(2), R. Kneissl(1), P. Marshall(4), G. Pooley(1), R. Rebolo(2,5), J. A. Rubiño-Martín(2), R. Saunders(1), E. Waldram(1) & R. A. Watson(3)
(1) Astrophysics Groupp, Cavendish Laboratory, University of Cambridge, Uk. (2) Instituto de Astrofísica de Canarias, La Laguna, Spain. (3) Jodrell Bank Observatory, University of Manchester, UK. (4) Kavli Institute, Stanford University, USA. (5) Consejo Superior de Investigaciones Científicas, Spain. (6) Dpt. de Física, facyt, Universidad de Carabobo, Venezuela
Accepted for publication in MNRAS | Submitted on 2005-07-01 | Project
PP 05004

The Hanle and Zeeman Effects in Solar Spicules: A Novel Diagnostic Window on Chromospheric Magnetism
J Trujillo Bueno (1,2), L Merenda (1), R Centeno (1), M Collados (1), E Landi Degl'Innocenti (3)
(1) Instituto de Astrofísica de Canarias, Spain. (2) Consejo Superior de Investigaciones Científicas, CSIC, Spain. (3) Dipartamento di Astronomia e Scienza dello Spazio, Florence, Italy
Accepted for publication in ApJ | Submitted on 2005-07-01 | Project
PP 05003

On the orientation of ancient Egyptian Temples I: upper Egypt and lower Nubia.
M Shaltout (1), J A Belmonte (2)
(1) Minufija University, Egypt. (2) Instituto de Astrofísica de Canarias, Spain
Accepted for publication in JHA | Submitted on 2005-07-01 | Project
PP 05002

The impact of non-LTE effects and granulation inhomogeneities on the derived iron and oxygen abundances in metal-poor halo stars.
N. Shchukina (1), J. Trujillo Bueno (2) and M. Asplund (3)
(1) Main Astronomical Observatory, Ucrania. (2) Instituto de Astrofísica de Canarias, Spain. (3) Mount Stromlo Observatory, Australia
Accepted for publication in ApJ | Submitted on 2005-07-01 | Project
PP 05001

Carbon, Nitrogen and Oxygen Galactic Gradients: A Solution to the Carbon Enrichment Problem
L. Carigi (1), M. Peimbert (1), C. Esteban (2), J. García-Rojas (2)
(1) Instituto de Astronomía, UNAM, Mexico (2) Instituto de Astrofísica de Canarias, Spain
Accepted for publication in ApJ | Submitted on 2005-07-01 | Project
PP 00

Evidence for collisional depolarization in the MgH lines of the second solar spectrum
A. Asensio Ramos (1), J. Trujillo Bueno (1,2)
(1) IAC, (2) CSIC
Accepted for publication in | Submitted on 2005-10-31 | Project 5/96