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 (r1p) 0.4263
Secondary polar radius in units of orbital separation (r2p) 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 (Pc [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

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