1SWASP J212808.86+151622.0

Simbad link	1SWASP J212808.86+151622.0
Source publication	Djurašević, G. (2016) - A Photometric Study of Four Recently Discovered Contact Binaries: 1SWASP J064501.21+342154.9, 1SWASP J155822.10-025604.8, 1SWASP J212808.86+151622.0, and UCAC4 436-062932
ADS link	2016AJ....152...57D
Name in Source publication	1SWASP J212808.86+151622.0
Orbital period in days (P [d])	0.224842
Mass ratio (q)	0.4
Mass ratio determination	Photometric
Type	W
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver	DC
Orbital period in days (P [d])	0.224842
Mass ratio (q)	0.4
Orbital inclination in degrees (i [^o])	72.7
Fillout (f)	0.12
Primary temperature in Kelvins (T₁ [K])	4350
Secondary temperature in Kelvins (T₂ [K])	4800
Primary polar radius in units of orbital separation (r_1p)	0.4379
Secondary polar radius in units of orbital separation (r_2p)	0.288
Surface potential (Ω)	2.65

Orbital separation in solar radii (a [R])	1.5
Primary radius in solar units (R₁ [R])	0.7
Secondary radius in solar units (R₂ [R])	0.47
Primary mass in solar units (M₁ [M])	0.7
Secondary mass in solar units (M₂ [M])	0.26
Primary temperature in kelvins (T₁ [K])	4350
Secondary temperature in Kelvins (T₂ [K])	4800
Primary luminosity in solar units (L₁ [L])	0.16
Secondary luminosity in solar units (L₂ [L])	0.11
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr])	11.6

Basic Info