V1197 Her

Simbad link V1197 Her
Source publication Zhou, Xiao (2020) - Photometric investigation on the W-subtype contact binary V1197 Her
ADS link 2020RAA....20...10Z
Name in Source publication V1197 Her
Orbital period in days (P [d]) 0.26268
Mass ratio (q) 0.38
Mass ratio determination Photometric
Type W
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver WD
Orbital period in days (P [d]) 0.26268
Mass ratio (q) 0.38
Orbital inclination in degrees (i [o]) 82.7
Fillout (f) 0.15
Primary temperature in Kelvins (T1 [K]) 4973
Secondary temperature in Kelvins (T2 [K]) 5113
Primary polar radius in units of orbital separation (r1p) 0.4431
Secondary polar radius in units of orbital separation (r2p) 0.2865
Surface potential (Ω) 2.6073

Orbital separation in solar radii (a [R]) 1.76
Primary radius in solar units (R1 [R]) 0.83
Secondary radius in solar units (R2 [R]) 0.54
Primary mass in solar units (M1 [M]) 0.77
Secondary mass in solar units (M2 [M]) 0.3
Primary temperature in kelvins (T1 [K]) 4973
Secondary temperature in Kelvins (T2 [K]) 5113
Primary luminosity in solar units (L1 [L]) 0.38
Secondary luminosity in solar units (L2 [L]) 0.18
Distance in parsecs (d [pc])
Age in gigayears (τ [gyr]) 10.09

Orbital period in days (P [d]) 0.26268
Monotonic period variation in seconds per year (dPdt [s/y]) -0.022291
Cyclic period variation in years (Pc [y])

Designation Gaia DR2 1305635874341056512
RA 248:20:42.81432
DEC 28:18:19.742148
l 47.94277852
b 41.31488188
G magnitude 12.764465
G_bp magnitude 13.245763
G_rp magnitude 12.133168
Radial velocity [km/s]
Parallax 3.633309551
Distance [pc] 0.275231
Temperature [K] 4972.57
Radius [R] 0.94419116
Luminosity [L] 0.49106404

Simbad link V1197 Her
J magnitude 11.226
H magnitude 10.742
K magnitude 10.646
Johnson_U magnitude
Johnson_B magnitude 13.2
Johnson_V magnitude 12.78
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 12.7645
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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