2MASS J20034981+4411085

Simbad link	2MASS J20034981+4411085
Source publication	Joshi, Yogesh Chandra (2016) - Photometric studies of two W UMa type variables in the field of distant open cluster NGC 6866
ADS link	2016RAA....16...63J
Name in Source publication	Star ID 0487
Orbital period in days (P [d])	0.366709
Mass ratio (q)	0.77
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])	0.366709
Mass ratio (q)	0.77
Orbital inclination in degrees (i [^o])	63.5
Fillout (f)	0.21
Primary temperature in Kelvins (T₁ [K])	5173
Secondary temperature in Kelvins (T₂ [K])	5160
Primary polar radius in units of orbital separation (r_1p)	0.3914
Secondary polar radius in units of orbital separation (r_2p)	0.3478
Surface potential (Ω)	3.2715

Orbital separation in solar radii (a [R])	2.8
Primary radius in solar units (R₁ [R])	1.24
Secondary radius in solar units (R₂ [R])	1.11
Primary mass in solar units (M₁ [M])	1.24
Secondary mass in solar units (M₂ [M])	0.96
Primary temperature in kelvins (T₁ [K])	5173
Secondary temperature in Kelvins (T₂ [K])	5160
Primary luminosity in solar units (L₁ [L])	1.55
Secondary luminosity in solar units (L₂ [L])	1.25
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])

Basic Info