NY Bootes: An Active Deep and Low-mass-ratio Contact Binary with a Cool Companion in a Hierarchical Triple System

The first detailed photometric and spectroscopic study of G-type short-period binary NY Boo is presented. The radial velocity curve was obtained by the cross-correlation function (CCF) method based on LAMOST and SDSS spectra, which derived its mass ratio as q = 0.139(1/7.2). The CCF profiles of the...

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Vydáno v:	The Astrophysical journal Ročník 954; číslo 2; s. 111 - 122
Hlavní autoři:	Meng, Fangbin, Zhu, Liying, Qian, Shengbang, Liu, Nianping, Li, Linjia, Matekov, Azizbek
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Philadelphia The American Astronomical Society 01.09.2023 IOP Publishing
Témata:	Astrophysics Binary stars Close binary stars Correlation Cross correlation Eclipsing binary stars Light curve Orbits Radial velocity Spectra Tertiary Travel time Velocity curve
ISSN:	0004-637X, 1538-4357
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