Detection of the lowest mass ratio contact binary in the universe: TYC 3801-1529-1

K Li, X Gao, DF Guo, DY Gao, X Chen… - Astronomy & …, 2024 - aanda.org
This paper presents the first analysis of the contact binary TYC 3801-1529-1. We observed
four sets of multiple bands complete light curves and one set of radial velocity curve of the …

NSVS 14256825: Period variation and orbital stability analysis of two possible substellar companions

K Zervas, PE Christopoulou - Astronomy & Astrophysics, 2024 - aanda.org
Context. Recent period investigations of the post-common envelop binary (PCEB) NSVS
14256825 suggest that two circumbinary companions are necessary to explain the observed …