V471 Cas

Simbad link V471 Cas
Source publication Kjurkchieva, Diana P. (2019) - The W UMa binaries USNO-A2.0 1350-17365531, V471 Cas, V479 Lac and V560 Lac: light curve solutions and global parameters based on Gaia distances
ADS link 2019RAA....19...14K
Name in Source publication V471 Cas
Orbital period in days (P [d]) 0.400935
Mass ratio (q) 0.63
Mass ratio determination Photometric
Type W
Has total eclipse?
Has spots?
Has third light?
Has period variation?

Solver PHOEBE
Orbital period in days (P [d]) 0.400935
Mass ratio (q) 0.63
Orbital inclination in degrees (i [o]) 83.3
Fillout (f) 0.08
Primary temperature in Kelvins (T1 [K]) 5975
Secondary temperature in Kelvins (T2 [K]) 6035
Primary polar radius in units of orbital separation (r1p) 0.3987
Secondary polar radius in units of orbital separation (r2p) 0.3233
Surface potential (Ω) 3.098

Orbital separation in solar radii (a [R]) 2.33
Primary radius in solar units (R1 [R]) 0.99
Secondary radius in solar units (R2 [R]) 0.81
Primary mass in solar units (M1 [M]) 0.64
Secondary mass in solar units (M2 [M]) 0.41
Primary temperature in kelvins (T1 [K]) 5975
Secondary temperature in Kelvins (T2 [K]) 6035
Primary luminosity in solar units (L1 [L]) 1.12
Secondary luminosity in solar units (L2 [L]) 0.78
Distance in parsecs (d [pc]) 754
Age in gigayears (τ [gyr]) 3.86

Orbital period in days (P [d]) 0.400935
Monotonic period variation in seconds per year (dPdt [s/y])
Cyclic period variation in years (Pc [y]) 12.8

Designation Gaia DR2 409219849696621056
RA 23:05:07.379808
DEC 55:12:19.638504
l 128.7926019
b -7.200165131
G magnitude 13.505964
G_bp magnitude 13.934826
G_rp magnitude 12.947942
Radial velocity [km/s]
Parallax 1.2983381
Distance [pc] 0.770215
Temperature [K] 5347.3335
Radius [R] 1.571789
Luminosity [L] 1.8198363

Simbad link V471 Cas
J magnitude 12.199
H magnitude 11.884
K magnitude 11.783
Johnson_U magnitude
Johnson_B magnitude
Johnson_V magnitude
Johnson_R magnitude
Johnson_I magnitude
Sloan_u magnitude
Sloan_g magnitude 13.506
Sloan_r magnitude
Sloan_i magnitude
Sloan_z magnitude

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