WUMaCat

Simbad link	V440 Cas
Source publication	Samec, R. G. (1996) - CCD BVRI photometry of the short-period, solar-type conatct binary V440 Cassiopeiae
ADS link	1996Obs...116..365S
Name in Source publication	V440 Cas
Orbital period in days (P [d])	0.325688
Mass ratio (q)	0.38
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])	0.325688
Mass ratio (q)	0.38
Orbital inclination in degrees (i [^o])	76.7
Fillout (f)	0.12
Primary temperature in Kelvins (T₁ [K])	5006
Secondary temperature in Kelvins (T₂ [K])	5347
Primary polar radius in units of orbital separation (r_1p)	0.4434
Secondary polar radius in units of orbital separation (r_2p)	0.2834
Surface potential (Ω)	2.598

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])	5006
Secondary temperature in Kelvins (T₂ [K])	5347
Primary luminosity in solar units (L₁ [L])
Secondary luminosity in solar units (L₂ [L])
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

V440 Cas