Bulletin de la Société Royale des Sciences de Liège

0037-9565 1783-5720

 

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Roberto Silvotti

The sdBV+dM close-to-synchronization binary TIC 137608661: inclination and thin disk population

(Volume 92 - Année 2023 — Numéro 2 - Proceedings of the 10th Meeting on Hot Subdwarfs and Related Objects)
DOI: 10.25518/0037-9565.11272
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Abstract

TIC 137608661 is a new sdBV+dM reflection-effect binary discovered by the TESS space mission with an orbital period of 7.21 hours. In addition to the detailed study of this system that was recently published (Silvotti et al., 2022), this article contains a further discussion on its inclination. Moreover, from the 3D space velocities of the binary obtained from the system’s radial velocity and from the Gaia DR3 proper motion, it is shown that TIC 137608661 belongs to the galactic thin disk population.

Keywords : stars: horizontal branch, stars: binaries, stars: oscillations (including pulsations), asteroseismology, stars: individual: TIC 137608661

Para citar este artículo

Roberto Silvotti, «The sdBV+dM close-to-synchronization binary TIC 137608661: inclination and thin disk population», Bulletin de la Société Royale des Sciences de Liège [En ligne], Volume 92 - Année 2023, Numéro 2 - Proceedings of the 10th Meeting on Hot Subdwarfs and Related Objects, 94-98 URL : http://popups.ulg.be/0037-9565/index.php?id=11272.

Acerca de: Roberto Silvotti

INAF-Osservatorio Astrofisico di Torino, via dell’Osservatorio 20, 10025 Pino Torinese, Italy. Corresponding author: roberto.silvotti@inaf.it