ATO J028.6522+51.6737
| Simbad link | ATO J028.6522+51.6737 |
|---|---|
| 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 | VESPA V22 |
| Orbital period in days (P [d]) | 0.331038 |
| Mass ratio (q) | 12.58 |
| 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]) | 0.331038 |
| Mass ratio (q) | 12.58 |
| Orbital inclination in degrees (i [o]) | 89.4 |
| Fillout (f) | 0.21 |
| Primary temperature in Kelvins (T1 [K]) | 6160 |
| Secondary temperature in Kelvins (T2 [K]) | 5985 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 17.902 |
| Orbital separation in solar radii (a [R]) | 2.6 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.52 |
| Secondary radius in solar units (R2 [R]) | 1.57 |
| Primary mass in solar units (M1 [M]) | 0.16 |
| Secondary mass in solar units (M2 [M]) | 1.99 |
| Primary temperature in kelvins (T1 [K]) | 6160 |
| Secondary temperature in Kelvins (T2 [K]) | 5985 |
| Primary luminosity in solar units (L1 [L]) | 0.34 |
| Secondary luminosity in solar units (L2 [L]) | 2.83 |
| 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 | 90 | 10 | 0.9 |
| Designation | Gaia DR3 359561708399757824 |
|---|---|
| RA | 28:39:08.262079 |
| DEC | 51:40:25.602126 |
| l | 132.79949231347348 |
| b | -9.983582696326833 |
| G [mag] | 12.420605 |
| G_bp [mag] | 12.743956 |
| G_rp [mag] | 11.930172 |
| Parallax | 1.975072268096037 |
| Distance [pc] | 502.1148 |
| Temperature [K] | 5966.408 |
| Surface gravity log(g) [cm/s2] | 4.2152 |
| Metallicity [Fe/H] | -0.3131 |
| Monochromatic extinction A0 [mag] | 0.0868 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | ATO J028.6522+51.6737 |
|---|---|
| J magnitude | 11.452 |
| H magnitude | 11.226 |
| K magnitude | 11.164 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 13.144 |
| Johnson_V magnitude | 12.549 |
| Johnson_R magnitude | 12.341 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.812 |
| Sloan_r magnitude | 12.38 |
| Sloan_i magnitude | 12.238 |
| Sloan_z magnitude |