WUMaCat

Simbad link	PY Lyr
Source publication	Manimanis, V. N. (2006) - A spot model of the overcontact binary PY Lyrae
ADS link	2006AIPC..848..417M
Name in Source publication	PY Lyr
Orbital period in days (P [d])	0.38593
Mass ratio (q)	0.58
Mass ratio determination	Photometric
Type	A
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver	WD
Orbital period in days (P [d])	0.38593
Mass ratio (q)	0.58
Orbital inclination in degrees (i [^o])	74.7
Fillout (f)	0.12
Primary temperature in Kelvins (T₁ [K])	6980
Secondary temperature in Kelvins (T₂ [K])	6980
Primary polar radius in units of orbital separation (r_1p)	0.4087
Secondary polar radius in units of orbital separation (r_2p)	0.3179
Surface potential (Ω)	2.982

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])	6980
Secondary temperature in Kelvins (T₂ [K])	6980
Primary luminosity in solar units (L₁ [L])
Secondary luminosity in solar units (L₂ [L])
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

PY Lyr