OV Eri
| Simbad link | OV Eri |
|---|---|
| Source publication | Loukaidou, G. A. (2022) - CoBiToM Project - II. Evolution of contact binary systems close to the orbital period cut-off |
| ADS link | 2022MNRAS.514.5528L |
| Name in Source publication | 1SWASP J050904.45-074144.4 |
| Orbital period in days (P [d]) | 0.229575 |
| Mass ratio (q) | 0.32 |
| Mass ratio determination | Photometric |
| Temperature determination | Color index |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 425215366 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.229575 |
| Mass ratio (q) | 0.32 |
| Orbital inclination in degrees (i [o]) | 82.9 |
| Fillout (f) | 0.07 |
| Primary temperature in Kelvins (T1 [K]) | 5000 |
| Secondary temperature in Kelvins (T2 [K]) | 4985 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 2.507 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.81 |
| Secondary radius in solar units (R2 [R]) | 0.46 |
| Primary mass in solar units (M1 [M]) | 0.86 |
| Secondary mass in solar units (M2 [M]) | 0.28 |
| Primary temperature in kelvins (T1 [K]) | 5000 |
| Secondary temperature in Kelvins (T2 [K]) | 4985 |
| Primary luminosity in solar units (L1 [L]) | 0.37 |
| Secondary luminosity in solar units (L2 [L]) | 0.12 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.229575 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.003024 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 49.3 | 42.2 | 0.702 |
| Designation | Gaia DR3 3207798824414198272 |
|---|---|
| RA | 77:16:06.735147 |
| DEC | -8:18:15.717216 |
| l | 208.07122076586785 |
| b | -26.233029436246664 |
| G [mag] | 13.179041 |
| G_bp [mag] | 13.67322 |
| G_rp [mag] | 12.406625 |
| Parallax | 3.8565907394178787 |
| Distance [pc] | |
| Temperature [K] | |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | OV Eri |
|---|---|
| J magnitude | 11.309 |
| H magnitude | 10.762 |
| K magnitude | 10.582 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 14.28 |
| Johnson_V magnitude | 13.3 |
| Johnson_R magnitude | 13.29 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.78 |
| Sloan_r magnitude | 12.94 |
| Sloan_i magnitude | 12.61 |
| Sloan_z magnitude |