Cl* NGC 6838 YM V5

Simbad link	Cl* NGC 6838 YM V5
Source publication	McVean, J. R. (1997) - Analyses of the Light Curves of the Eclipsing Binaries in the Globular Cluster M71
ADS link	1997ApJ...481..782M
Name in Source publication	Cl* NGC 6838 YM V5
Orbital period in days (P [d])	0.4045
Mass ratio (q)	0.37
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])	0.4045
Mass ratio (q)	0.37
Orbital inclination in degrees (i [^o])	69.2
Fillout (f)	0.27
Primary temperature in Kelvins (T₁ [K])	5900
Secondary temperature in Kelvins (T₂ [K])	5829
Primary polar radius in units of orbital separation (r_1p)	0.4508
Secondary polar radius in units of orbital separation (r_2p)	0.2893
Surface potential (Ω)	2.556

Orbital separation in solar radii (a [R])	2.75
Primary radius in solar units (R₁ [R])	1.09
Secondary radius in solar units (R₂ [R])	0.7
Primary mass in solar units (M₁ [M])	0.69
Secondary mass in solar units (M₂ [M])	0.25
Primary temperature in kelvins (T₁ [K])	5900
Secondary temperature in Kelvins (T₂ [K])	5829
Primary luminosity in solar units (L₁ [L])	1.31
Secondary luminosity in solar units (L₂ [L])	0.19
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])	12.48

Basic Info