WUMaCat

Simbad link	V859 Cyg
Source publication	Panko, E. A. (2014) - Photometrical Study of Overcontact Binary System V859Cyg
ADS link	2014OAP....27...50P
Name in Source publication	V859 Cyg
Orbital period in days (P [d])	0.405007
Mass ratio (q)	0.35
Mass ratio determination	Photometric
Type	A
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver	Binary Maker
Orbital period in days (P [d])	0.405007
Mass ratio (q)	0.35
Orbital inclination in degrees (i [^o])	64.5
Fillout (f)	0.88
Primary temperature in Kelvins (T₁ [K])	7100
Secondary temperature in Kelvins (T₂ [K])	6850
Primary polar radius in units of orbital separation (r_1p)	0.483
Secondary polar radius in units of orbital separation (r_2p)	0.3162
Surface potential (Ω)	2.3854

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])	7100
Secondary temperature in Kelvins (T₂ [K])	6850
Primary luminosity in solar units (L₁ [L])
Secondary luminosity in solar units (L₂ [L])
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

V859 Cyg