WUMaCat

Simbad link	V560 Lac
Source publication	Kjurkchieva, Diana P. (2019) - The W UMa binaries USNO-A2.0 1350-17365531, V471 Cas, V479 Lac and V560 Lac: light curve solutions and global parameters based on Gaia distances
ADS link	2019RAA....19...14K
Name in Source publication	V560 Lac
Orbital period in days (P [d])	0.272247
Mass ratio (q)	0.7
Mass ratio determination	Photometric
Type	W
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver	PHOEBE
Orbital period in days (P [d])	0.272247
Mass ratio (q)	0.7
Orbital inclination in degrees (i [^o])	82
Fillout (f)	0.1
Primary temperature in Kelvins (T₁ [K])	5680
Secondary temperature in Kelvins (T₂ [K])	6504
Primary polar radius in units of orbital separation (r_1p)	0.3921
Secondary polar radius in units of orbital separation (r_2p)	0.3321
Surface potential (Ω)	3.199

Orbital separation in solar radii (a [R])	1.57
Primary radius in solar units (R₁ [R])	0.66
Secondary radius in solar units (R₂ [R])	0.56
Primary mass in solar units (M₁ [M])	0.41
Secondary mass in solar units (M₂ [M])	0.29
Primary temperature in kelvins (T₁ [K])	5680
Secondary temperature in Kelvins (T₂ [K])	6504
Primary luminosity in solar units (L₁ [L])	0.41
Secondary luminosity in solar units (L₂ [L])	0.28
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])	7.41

V560 Lac