W UMa
| Simbad link | W UMa |
|---|---|
| Source publication | Gazeas, K. (2021) - Physical parameters of close binary systems: VIII |
| ADS link | 2021MNRAS.501.2897G |
| Name in Source publication | W UMa |
| Orbital period in days (P [d]) | 0.333635 |
| Mass ratio (q) | 1.97 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Spectral type |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 446127290 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.333635 |
| Mass ratio (q) | 1.97 |
| Orbital inclination in degrees (i [o]) | 88.4 |
| Fillout (f) | 0.22 |
| Primary temperature in Kelvins (T1 [K]) | 6450 |
| Secondary temperature in Kelvins (T2 [K]) | 6170 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 5.072 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.09 |
| Secondary radius in solar units (R2 [R]) | 0.79 |
| Primary mass in solar units (M1 [M]) | 1.14 |
| Secondary mass in solar units (M2 [M]) | 0.55 |
| Primary temperature in kelvins (T1 [K]) | 6450 |
| Secondary temperature in Kelvins (T2 [K]) | 6170 |
| Primary luminosity in solar units (L1 [L]) | 1.56 |
| Secondary luminosity in solar units (L2 [L]) | 0.98 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.333635 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 227 | 42.9 | 0.423 |
| Designation | Gaia DR3 1022096392749670016 |
|---|---|
| RA | 145:56:22.547439 |
| DEC | 55:57:08.599455 |
| l | 158.92257837077457 |
| b | 45.902485754162804 |
| G [mag] | 7.7452164 |
| G_bp [mag] | 8.088248 |
| G_rp [mag] | 7.2756886 |
| Parallax | 19.266700572347492 |
| Distance [pc] | |
| Temperature [K] | |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | 1.1875179 |
| Luminosity [L] | 1.5197766 |
| Simbad link | W UMa |
|---|---|
| J magnitude | 6.573 |
| H magnitude | 6.223 |
| K magnitude | 6.184 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 8.54 |
| Johnson_V magnitude | 7.75 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |