Cl* NGC 6121 SAW V66

Simbad link	Cl* NGC 6121 SAW V66
Source publication	Liu, L. (2011) - Two extreme contact binary systems in the nearest globular cluster M4
ADS link	2011MNRAS.415.1509L
Name in Source publication	V47
Orbital period in days (P [d])	0.269973
Mass ratio (q)	0.12
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])	0.269973
Mass ratio (q)	0.12
Orbital inclination in degrees (i [^o])	72.1
Fillout (f)	0.32
Primary temperature in Kelvins (T₁ [K])	6238
Secondary temperature in Kelvins (T₂ [K])	6244
Primary polar radius in units of orbital separation (r_1p)	0.5282
Secondary polar radius in units of orbital separation (r_2p)	0.2103
Surface potential (Ω)	2.0019

Orbital separation in solar radii (a [R])	2.16
Primary radius in solar units (R₁ [R])	1.24
Secondary radius in solar units (R₂ [R])	0.5
Primary mass in solar units (M₁ [M])	1.66
Secondary mass in solar units (M₂ [M])	0.2
Primary temperature in kelvins (T₁ [K])	6238
Secondary temperature in Kelvins (T₂ [K])	6244
Primary luminosity in solar units (L₁ [L])	2.09
Secondary luminosity in solar units (L₂ [L])	0.34
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])	5.28

Basic Info