TYC 4157-0683-1

Simbad link	TYC 4157-0683-1
Source publication	Acerbi, F. (2014) - First multi-color photometric study and preliminary elements for the low-mass ratio, possible progenitors of merging stars, W UMa systems TYC 3836-0854-1 and TYC 4157-0683-1
ADS link	2014NewA...31....1A
Name in Source publication	TYC 4157-0683-1
Orbital period in days (P [d])	0.396068
Mass ratio (q)	0.15
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])	0.396068
Mass ratio (q)	0.15
Orbital inclination in degrees (i [^o])	79.7
Fillout (f)	0.76
Primary temperature in Kelvins (T₁ [K])	6037
Secondary temperature in Kelvins (T₂ [K])	5888
Primary polar radius in units of orbital separation (r_1p)	0.5271
Secondary polar radius in units of orbital separation (r_2p)	0.2378
Surface potential (Ω)	2.0302

Orbital separation in solar radii (a [R])	2.64
Primary radius in solar units (R₁ [R])	1.5
Secondary radius in solar units (R₂ [R])	0.67
Primary mass in solar units (M₁ [M])	1.37
Secondary mass in solar units (M₂ [M])	0.21
Primary temperature in kelvins (T₁ [K])	6037
Secondary temperature in Kelvins (T₂ [K])	5888
Primary luminosity in solar units (L₁ [L])	2.69
Secondary luminosity in solar units (L₂ [L])	0.48
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])	5.54

Basic Info