V479 Lac
| Simbad link | V479 Lac |
|---|---|
| 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 | V479 Lac |
| Orbital period in days (P [d]) | 0.345759 |
| Mass ratio (q) | 0.8 |
| 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]) | 0.345759 |
| Mass ratio (q) | 0.8 |
| Orbital inclination in degrees (i [o]) | 80.4 |
| Fillout (f) | 0.03 |
| Primary temperature in Kelvins (T1 [K]) | 5652 |
| Secondary temperature in Kelvins (T2 [K]) | 5713 |
| Primary polar radius in units of orbital separation (r1p) | 0.3768 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3388 |
| Surface potential (Ω) | 3.3989 |
| Orbital separation in solar radii (a [R]) | 2.52 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.01 |
| Secondary radius in solar units (R2 [R]) | 0.91 |
| Primary mass in solar units (M1 [M]) | 1 |
| Secondary mass in solar units (M2 [M]) | 0.8 |
| Primary temperature in kelvins (T1 [K]) | 5652 |
| Secondary temperature in Kelvins (T2 [K]) | 5713 |
| Primary luminosity in solar units (L1 [L]) | 0.94 |
| Secondary luminosity in solar units (L2 [L]) | 0.8 |
| Distance in parsecs (d [pc]) | 370 |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.345759 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.146016 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 1927553838951888384 |
|---|---|
| RA | 343:12:40.29984 |
| DEC | 35:58:56.28162 |
| l | 97.54678393 |
| b | -20.97642097 |
| G magnitude | 12.330155 |
| G_bp magnitude | 12.69004 |
| G_rp magnitude | 11.743016 |
| Radial velocity [km/s] | |
| Parallax | 2.674674202 |
| Distance [pc] | 373.877312 |
| Temperature [K] | 5361 |
| Radius [R] | 1.3033873 |
| Luminosity [L] | 1.2642264 |
| Simbad link | V479 Lac |
|---|---|
| J magnitude | 10.858 |
| H magnitude | 10.534 |
| K magnitude | 10.467 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 13.41 |
| Johnson_V magnitude | 13.14 |
| Johnson_R magnitude | 12.6 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.3302 |
| Sloan_r magnitude | 12.6 |
| Sloan_i magnitude | |
| Sloan_z magnitude |