GSC 02800-01387
| Simbad link | GSC 02800-01387 |
|---|---|
| Source publication | Popov, Velimir A. (2022) - Absolute parameters of four W UMa stars with extreme low mass ratios |
| ADS link | 2022NewA...9701862P |
| Name in Source publication | GSC 02800-01387 |
| Orbital period in days (P [d]) | 0.302625 |
| Mass ratio (q) | 8.69 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.302625 |
| Mass ratio (q) | 8.69 |
| Orbital inclination in degrees (i [o]) | 74.6 |
| Fillout (f) | 0.63 |
| Primary temperature in Kelvins (T1 [K]) | 5846 |
| Secondary temperature in Kelvins (T2 [K]) | 5684 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 13.165 |
| Orbital separation in solar radii (a [R]) | 1.86 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.44 |
| Secondary radius in solar units (R2 [R]) | 1.1 |
| Primary mass in solar units (M1 [M]) | 0.1 |
| Secondary mass in solar units (M2 [M]) | 0.85 |
| Primary temperature in kelvins (T1 [K]) | 5846 |
| Secondary temperature in Kelvins (T2 [K]) | 5684 |
| Primary luminosity in solar units (L1 [L]) | 0.21 |
| Secondary luminosity in solar units (L2 [L]) | 1.13 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Secondary | 50 | 10 | 1.2 |
| Designation | Gaia DR3 369887947946918144 |
|---|---|
| RA | 18:20:55.190811 |
| DEC | 37:43:18.864749 |
| l | 127.71879312944144 |
| b | -24.94567907247388 |
| G [mag] | 13.984073 |
| G_bp [mag] | 14.354577 |
| G_rp [mag] | 13.446744 |
| Parallax | 1.2650420918482086 |
| Distance [pc] | 756.5341 |
| Temperature [K] | 5719.77 |
| Surface gravity log(g) [cm/s2] | 4.2497 |
| Metallicity [Fe/H] | -0.1267 |
| Monochromatic extinction A0 [mag] | 0.2644 |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 5769.63 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.126 |
| Metallicity [Fe/H] | 0.092 |
| Simbad link | GSC 02800-01387 |
|---|---|
| J magnitude | |
| H magnitude | |
| K magnitude | |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 14.06 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 14.484 |
| Sloan_r magnitude | 13.95 |
| Sloan_i magnitude | |
| Sloan_z magnitude |