WUMaCat

Simbad link	NSVS 2569022
Source publication	Kjurkchieva, Diana P. (2018) - NSVS 2569022: a peculiar binary among W UMa stars with extremely small mass ratios
ADS link	2018RAA....18..129K
Name in Source publication	NSVS 2569022
Orbital period in days (P [d])	0.287797
Mass ratio (q)	0.08
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])	0.287797
Mass ratio (q)	0.08
Orbital inclination in degrees (i [^o])	76.3
Fillout (f)	0.01
Primary temperature in Kelvins (T₁ [K])	6100
Secondary temperature in Kelvins (T₂ [K])	6100
Primary polar radius in units of orbital separation (r_1p)	0.5497
Secondary polar radius in units of orbital separation (r_2p)	0.1761
Surface potential (Ω)	1.8873

Orbital separation in solar radii (a [R])	1.98
Primary radius in solar units (R₁ [R])	1.19
Secondary radius in solar units (R₂ [R])	0.38
Primary mass in solar units (M₁ [M])	1.17
Secondary mass in solar units (M₂ [M])	0.09
Primary temperature in kelvins (T₁ [K])	6100
Secondary temperature in Kelvins (T₂ [K])	6100
Primary luminosity in solar units (L₁ [L])	1.73
Secondary luminosity in solar units (L₂ [L])	0.17
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])	9.2

NSVS 2569022