WUMaCat

Simbad link	V861 Her
Source publication	Csizmadia, Sz. (2004) - Photometric study of the contact binary star <ASTROBJ>V861 Herculis</ASTROBJ>
ADS link	2004A&A...417..745C
Name in Source publication	V861 Her
Orbital period in days (P [d])	0.344824
Mass ratio (q)	0.41
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])	0.344824
Mass ratio (q)	0.41
Orbital inclination in degrees (i [^o])	66.2
Fillout (f)	0.08
Primary temperature in Kelvins (T₁ [K])	5332
Secondary temperature in Kelvins (T₂ [K])	5680
Primary polar radius in units of orbital separation (r_1p)	0.4351
Secondary polar radius in units of orbital separation (r_2p)	0.2876
Surface potential (Ω)	2.6713

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])	5332
Secondary temperature in Kelvins (T₂ [K])	5680
Primary luminosity in solar units (L₁ [L])
Secondary luminosity in solar units (L₂ [L])
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

V861 Her