WUMaCat

Simbad link	AK Her
Source publication	Çalışkan, Ş. (2014) - Photometric Analysis of Overcontact Binaries AK Her, HI Dra, V1128 Tau, and V2612 Oph
ADS link	2014AJ....148..126C
Name in Source publication	AK Her
Orbital period in days (P [d])	0.421523
Mass ratio (q)	0.28
Mass ratio determination	Spectroscopic
Type	A
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver	DC
Orbital period in days (P [d])	0.421523
Mass ratio (q)	0.28
Orbital inclination in degrees (i [^o])	81.7
Fillout (f)	0.33
Primary temperature in Kelvins (T₁ [K])	6500
Secondary temperature in Kelvins (T₂ [K])	6180
Primary polar radius in units of orbital separation (r_1p)	0.4746
Secondary polar radius in units of orbital separation (r_2p)	0.2689
Surface potential (Ω)	2.3572

Orbital separation in solar radii (a [R])	2.73
Primary radius in solar units (R₁ [R])	1.4
Secondary radius in solar units (R₂ [R])	0.8
Primary mass in solar units (M₁ [M])	1.2
Secondary mass in solar units (M₂ [M])	0.34
Primary temperature in kelvins (T₁ [K])	6500
Secondary temperature in Kelvins (T₂ [K])	6180
Primary luminosity in solar units (L₁ [L])	3.02
Secondary luminosity in solar units (L₂ [L])	0.82
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])	4.58

AK Her