Detalles de publicación

PP 024123

Orbit determination of visual binary systems observed with CST telescope in 2010-2013

F.M. Rica (1), R. Barrena (2), J.A. Henríquez (3,4), G. Vázquez (4,5), C. Vázquez (4,5), D. Hernández (6), J.L. del Rosario (6)
(1) Federación Extremeña de Astronomía, C/José Ruíz Azorín, 14, 4º D, Mérida 06800, Spain (2) IAC, DA-ULL (3) Grupo de Observadores Astronómicos de Tenerife (GOAT), Spain (4) Astronomical Observatory MPC J-48, C/San Pancracio, no 26, Urb. Mackay, La Laguna (Tenerife) E-38205, Spain (5) Agupación Astronómica de Tenerife, PO box 10644, E-38080, Tenerife, Spain (6) Sociedad para el Estudio y el Conocimiento de la Astronomía (SECAT), Tenerife, Spain
We present new orbital solutions for 15 binaries, which were astrometrically measured during 2010-2013. We observed the binary systems using the FastCam "lucky-imaging" camera, installed at the 1.5-m Carlos Sánchez Telescope (CST) at the Observatorio del Teide, Tenerife (Spain). We present first orbital solutions for four binaries and revise orbits for other 11 systems. We apply two orbital calculation techniques, the "3D grid search method" and the Docobo's analytical method. In addition, we use our tool "Binary Deblending", which is based on deblending the entire observed multiband photometry into fundamental and photometric parameters for each stellar component based on PARSEC isochrones. This method allows us to obtain the total mass for all systems. Our findings include the identification of a binary system consisting of two M-type dwarfs (WOR 19), a binary of evolved components (twin F6IV-V stars) in BU 1292, accompanied by a newly discovered wide (10.5 arcsec) and faint companion with G=17.05 mag. Additionally, we explore the X-ray emission system STF 147 and a very young quadruple system, WDS 04573+5345. This comprehensive analysis significantly contributes to our understanding on the formation and evolution of these stellar systems.

 
Aceptado para publicación en Publications of the Astronomical Society of Australia (PASA) | Enviado el 2024-12-12 | Proyecto P/302202, PID2021-122665OB-I00