V1187 Her

Simbad link V1187 Her
Source publication Caton, Daniel (2019) - BVR<SUB>C</SUB>I<SUB>C</SUB> Observations, Analysis, and Spectra of The Most Extreme Mass Ratio (Totally Eclipsing) W UMa Binary, V1187 Herculis
ADS link 2019PASP..131e4203C
Name in Source publication V1187 Her
Orbital period in days (P [d]) 0.310765
Mass ratio (q) 0.04
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]) 0.310765
Mass ratio (q) 0.04
Orbital inclination in degrees (i [o]) 65.9
Fillout (f) 0.8
Primary temperature in Kelvins (T1 [K]) 6250
Secondary temperature in Kelvins (T2 [K]) 6651
Primary polar radius in units of orbital separation (r1p) 0.5866
Secondary polar radius in units of orbital separation (r2p) 0.1596
Surface potential (Ω) 1.743

Orbital separation in solar radii (a [R])
Primary radius in solar units (R1 [R])
Secondary radius in solar units (R2 [R])
Primary mass in solar units (M1 [M])
Secondary mass in solar units (M2 [M])
Primary temperature in kelvins (T1 [K]) 6250
Secondary temperature in Kelvins (T2 [K]) 6651
Primary luminosity in solar units (L1 [L])
Secondary luminosity in solar units (L2 [L])
Distance in parsecs (d [pc]) 175
Age in gigayears (τ [gyr])

Orbital period in days (P [d]) 0.310765
Monotonic period variation in seconds per year (dPdt [s/y]) -0.01296
Cyclic period variation in years (Pc [y])

Simbad link V1187 Her
J magnitude 10.486
H magnitude 10.201
K magnitude 10.145
Johnson_U magnitude
Johnson_B magnitude 11.99
Johnson_V magnitude 11.51
Johnson_R magnitude 11.51
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 11.5241
Sloan_r magnitude 11.51
Sloan_i magnitude
Sloan_z magnitude

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