V2790 Ori
| Simbad link | V2790 Ori |
|---|---|
| Source publication | Kriwattanawong, Wichean (2019) - Photometric analysis and evolutionary stages of the contact binary V2790 Ori |
| ADS link | 2019RAA....19..143K |
| Name in Source publication | V2790 Ori |
| Orbital period in days (P [d]) | 0.287842 |
| Mass ratio (q) | 0.34 |
| Mass ratio determination | Photometric |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.287842 |
| Mass ratio (q) | 0.34 |
| Orbital inclination in degrees (i [o]) | 85.1 |
| Fillout (f) | 0.21 |
| Primary temperature in Kelvins (T1 [K]) | 5644 |
| Secondary temperature in Kelvins (T2 [K]) | 5856 |
| Primary polar radius in units of orbital separation (r1p) | 0.4544 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2798 |
| Surface potential (Ω) | 2.5113 |
| Orbital separation in solar radii (a [R]) | 2.04 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.99 |
| Secondary radius in solar units (R2 [R]) | 0.61 |
| Primary mass in solar units (M1 [M]) | 1.02 |
| Secondary mass in solar units (M2 [M]) | 0.35 |
| Primary temperature in kelvins (T1 [K]) | 5644 |
| Secondary temperature in Kelvins (T2 [K]) | 5856 |
| Primary luminosity in solar units (L1 [L]) | 0.89 |
| Secondary luminosity in solar units (L2 [L]) | 0.4 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 6.17 |
| Orbital period in days (P [d]) | 0.287842 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.008899 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 3374103973908764032 |
|---|---|
| RA | 93:52:50.93004 |
| DEC | 19:35:21.6078 |
| l | 191.4920001 |
| b | 1.261893972 |
| G magnitude | 11.292522 |
| G_bp magnitude | 11.582927 |
| G_rp magnitude | 10.642232 |
| Radial velocity [km/s] | -19.3529559 |
| Parallax | 6.133200751 |
| Distance [pc] | 163.047003 |
| Temperature [K] | 5500 |
| Radius [R] | 0.86397606 |
| Luminosity [L] | 0.6153878 |
| Simbad link | V2790 Ori |
|---|---|
| J magnitude | 9.947 |
| H magnitude | 9.576 |
| K magnitude | 9.487 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.65 |
| Johnson_V magnitude | 11.12 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.2925 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |