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] | 770.215401 |
| 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 |