WUMaCat

Simbad link	BM UMa
Source publication	Virnina, Natalia A. (2010) - Period Variations in the Close Binary BM UMa
ADS link	2010OAP....23..148V
Name in Source publication	BM UMa
Orbital period in days (P [d])	0.271226
Mass ratio (q)	0.54
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])	0.271226
Mass ratio (q)	0.54
Orbital inclination in degrees (i [^o])	86.8
Fillout (f)	0.11
Primary temperature in Kelvins (T₁ [K])	4510
Secondary temperature in Kelvins (T₂ [K])	4700
Primary polar radius in units of orbital separation (r_1p)	0.4139
Secondary polar radius in units of orbital separation (r_2p)	0.3114
Surface potential (Ω)	2.9132

Orbital separation in solar radii (a [R])
Primary radius in solar units (R₁ [R])
Secondary radius in solar units (R₂ [R])
Primary mass in solar units (M₁ [M])
Secondary mass in solar units (M₂ [M])
Primary temperature in kelvins (T₁ [K])	4510
Secondary temperature in Kelvins (T₂ [K])	4700
Primary luminosity in solar units (L₁ [L])
Secondary luminosity in solar units (L₂ [L])
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

BM UMa