WUMaCat

Simbad link	NSVS 1557555
Source publication	Barani, C. (2017) - The K spectral type contact binary NSVS 1557555: Photometric solution and preliminary elements
ADS link	2017NewA...57...37B
Name in Source publication	NSVS 1557555
Orbital period in days (P [d])	0.272516
Mass ratio (q)	0.56
Mass ratio determination	Photometric
Type	W
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver	WD
Orbital period in days (P [d])	0.272516
Mass ratio (q)	0.56
Orbital inclination in degrees (i [^o])	85.2
Fillout (f)	0.12
Primary temperature in Kelvins (T₁ [K])	4794
Secondary temperature in Kelvins (T₂ [K])	5034
Primary polar radius in units of orbital separation (r_1p)	0.4121
Secondary polar radius in units of orbital separation (r_2p)	0.3149
Surface potential (Ω)	2.9403

Orbital separation in solar radii (a [R])	2.01
Primary radius in solar units (R₁ [R])	0.88
Secondary radius in solar units (R₂ [R])	0.69
Primary mass in solar units (M₁ [M])	0.94
Secondary mass in solar units (M₂ [M])	0.52
Primary temperature in kelvins (T₁ [K])	4794
Secondary temperature in Kelvins (T₂ [K])	5034
Primary luminosity in solar units (L₁ [L])	0.37
Secondary luminosity in solar units (L₂ [L])	0.27
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])	6.24

NSVS 1557555