BH Cas

Simbad link	BH Cas
Source publication	Liu, Junhui (2019) - An Optical and X-Ray Study of the Contact Binary, BH Cassiopeia
ADS link	2019PASP..131h4202L
Name in Source publication	BH Cas
Orbital period in days (P [d])	0.405892
Mass ratio (q)	0.47
Mass ratio determination	Spectroscopic
Type	W
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver	WD
Orbital period in days (P [d])	0.405892
Mass ratio (q)	0.47
Orbital inclination in degrees (i [^o])	70.9
Fillout (f)	0.16
Primary temperature in Kelvins (T₁ [K])	4874
Secondary temperature in Kelvins (T₂ [K])	5163
Primary polar radius in units of orbital separation (r_1p)	0.4263
Secondary polar radius in units of orbital separation (r_2p)	0.3038
Surface potential (Ω)	2.783

Orbital separation in solar radii (a [R])	2.59
Primary radius in solar units (R₁ [R])	1.19
Secondary radius in solar units (R₂ [R])	0.85
Primary mass in solar units (M₁ [M])	0.96
Secondary mass in solar units (M₂ [M])	0.46
Primary temperature in kelvins (T₁ [K])	4874
Secondary temperature in Kelvins (T₂ [K])	5163
Primary luminosity in solar units (L₁ [L])	0.7
Secondary luminosity in solar units (L₂ [L])	0.46
Distance in parsecs (d [pc])	441
Age in gigayears (τ [gyr])	6.04

Orbital period in days (P [d])	0.405892
Monotonic period variation in seconds per year (dPdt [s/y])	0.028253
Cyclic period variation in years (P_c [y])	20.09

Designation	Gaia DR2 428237896161561216
RA	5:20:18.102077
DEC	59:09:06.88716
l	119.0763581
b	-3.494438213
G magnitude	17.748205
G_bp magnitude
G_rp magnitude
Radial velocity [km/s]
Parallax
Distance [pc]
Temperature [K]
Radius [R]
Luminosity [L]

Simbad link	BH Cas
J magnitude	10.964
H magnitude	10.633
K magnitude	10.549
Johnson_U magnitude
Johnson_B magnitude	13.26
Johnson_V magnitude	12.77
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude	12.5425
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude