V2802 Ori
| Simbad link | V2802 Ori |
|---|---|
| Source publication | Alton, K. B. (2001) - Roche Modeling and Evolutionary History of Six Low Mass Contact Binary Systems |
| ADS link | 2021AcA....71..123A |
| Name in Source publication | V2802 Ori |
| Orbital period in days (P [d]) | 0.295704 |
| Mass ratio (q) | 0.33 |
| Mass ratio determination | Photometric |
| Temperature determination | Color index |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 455064763 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.295704 |
| Mass ratio (q) | 0.33 |
| Orbital inclination in degrees (i [o]) | 89.9 |
| Fillout (f) | 0.15 |
| Primary temperature in Kelvins (T1 [K]) | 5460 |
| Secondary temperature in Kelvins (T2 [K]) | 5683 |
| Primary polar radius in units of orbital separation (r1p) | 0.4537 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2738 |
| Surface potential (Ω) | 2.504 |
| Orbital separation in solar radii (a [R]) | 2.08 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.99 |
| Secondary radius in solar units (R2 [R]) | 0.6 |
| Primary mass in solar units (M1 [M]) | 1.04 |
| Secondary mass in solar units (M2 [M]) | 0.34 |
| Primary temperature in kelvins (T1 [K]) | 5460 |
| Secondary temperature in Kelvins (T2 [K]) | 5683 |
| Primary luminosity in solar units (L1 [L]) | 0.79 |
| Secondary luminosity in solar units (L2 [L]) | 0.34 |
| Distance in parsecs (d [pc]) | 180 |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.295704 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.010022 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 240.3 | 13.3 | 0.85 |
| Designation | Gaia DR3 3235164638036768512 |
|---|---|
| RA | 77:12:56.552899 |
| DEC | 2:49:14.875904 |
| l | 197.9536885313353 |
| b | -21.23890153294196 |
| G [mag] | 11.293918 |
| G_bp [mag] | 11.654007 |
| G_rp [mag] | 10.641687 |
| Parallax | 5.760087210750437 |
| Distance [pc] | |
| Temperature [K] | |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | V2802 Ori |
|---|---|
| J magnitude | 9.77 |
| H magnitude | 9.339 |
| K magnitude | 9.272 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 12.28 |
| Johnson_V magnitude | 11.24 |
| Johnson_R magnitude | 11.203 |
| Johnson_I magnitude | 10.363 |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.641 |
| Sloan_r magnitude | 11.05 |
| Sloan_i magnitude | 10.808 |
| Sloan_z magnitude |