V560 Lac
| Simbad link | V560 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 | V560 Lac |
| Orbital period in days (P [d]) | 0.272247 |
| Mass ratio (q) | 0.7 |
| Mass ratio determination | Photometric |
| Temperature determination | Color index |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.272247 |
| Mass ratio (q) | 0.7 |
| Orbital inclination in degrees (i [o]) | 82 |
| Fillout (f) | 0.1 |
| Primary temperature in Kelvins (T1 [K]) | 5680 |
| Secondary temperature in Kelvins (T2 [K]) | 6504 |
| Primary polar radius in units of orbital separation (r1p) | 0.3921 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3321 |
| Surface potential (Ω) | 3.199 |
| Orbital separation in solar radii (a [R]) | 1.57 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.66 |
| Secondary radius in solar units (R2 [R]) | 0.56 |
| Primary mass in solar units (M1 [M]) | 0.41 |
| Secondary mass in solar units (M2 [M]) | 0.29 |
| Primary temperature in kelvins (T1 [K]) | 5680 |
| Secondary temperature in Kelvins (T2 [K]) | 6504 |
| Primary luminosity in solar units (L1 [L]) | 0.41 |
| Secondary luminosity in solar units (L2 [L]) | 0.28 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 7.41 |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 220 | 50 | 15 | 0.9 |
| Designation | Gaia DR2 1988889545359787520 |
|---|---|
| RA | 342:08:06.720952 |
| DEC | 50:49:34.383658 |
| l | 103.9372758077523 |
| b | -7.4567983935051 |
| G [mag] | 14.467359 |
| G_bp [mag] | 14.931432 |
| G_rp [mag] | 13.805929 |
| Parallax | 1.4596 |
| Distance [pc] | |
| Temperature [K] | 5000.85 |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | 1.0388486 |
| Luminosity [L] | 0.6080994 |
| Simbad link | V560 Lac |
|---|---|
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