USNO-B1.0 1452-00049820

Simbad link	USNO-B1.0 1452-00049820
Source publication	Kjurkchieva, Diana P. (2018) - USNO-B1.0 1452-0049820 and ASAS J102556+2049.3: Two W UMa Binaries Close to the Lower Mass-ratio Limit
ADS link	2018AJ....156...77K
Name in Source publication	USNO-B1.0 1452-00049820
Orbital period in days (P [d])	0.37815
Mass ratio (q)	0.11
Mass ratio determination	Photometric
Type	A
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver	PHOEBE
Orbital period in days (P [d])	0.37815
Mass ratio (q)	0.11
Orbital inclination in degrees (i [^o])	71.8
Fillout (f)	0
Primary temperature in Kelvins (T₁ [K])	6400
Secondary temperature in Kelvins (T₂ [K])	6300
Primary polar radius in units of orbital separation (r_1p)	0.5279
Secondary polar radius in units of orbital separation (r_2p)	0.196
Surface potential (Ω)	1.9923

Orbital separation in solar radii (a [R])	2.5
Primary radius in solar units (R₁ [R])	1.43
Secondary radius in solar units (R₂ [R])	0.53
Primary mass in solar units (M₁ [M])	1.32
Secondary mass in solar units (M₂ [M])	0.15
Primary temperature in kelvins (T₁ [K])	6400
Secondary temperature in Kelvins (T₂ [K])	6300
Primary luminosity in solar units (L₁ [L])	3.03
Secondary luminosity in solar units (L₂ [L])	0.39
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])	5.89

Basic Info