Cl* NGC 6715 SAW V144

Simbad link	Cl* NGC 6715 SAW V144
Source publication	Li, K. (2013) - Two unusual contact binaries in the globular cluster M54
ADS link	2013NewA...22...57L
Name in Source publication	Cl* NGC 6715 SAW V144
Orbital period in days (P [d])	0.72159
Mass ratio (q)	0.16
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])	0.72159
Mass ratio (q)	0.16
Orbital inclination in degrees (i [^o])	76.6
Fillout (f)	0.18
Primary temperature in Kelvins (T₁ [K])	7120
Secondary temperature in Kelvins (T₂ [K])	6808
Primary polar radius in units of orbital separation (r_1p)	0.508
Secondary polar radius in units of orbital separation (r_2p)	0.2236
Surface potential (Ω)	2.1113

Orbital separation in solar radii (a [R])	3.89
Primary radius in solar units (R₁ [R])	2.23
Secondary radius in solar units (R₂ [R])	0.95
Primary mass in solar units (M₁ [M])	1.31
Secondary mass in solar units (M₂ [M])	0.21
Primary temperature in kelvins (T₁ [K])	7120
Secondary temperature in Kelvins (T₂ [K])	6808
Primary luminosity in solar units (L₁ [L])	10.19
Secondary luminosity in solar units (L₂ [L])	1.69
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])	2.43

Basic Info