2MASS J20004638+0547475
| Simbad link | 2MASS J20004638+0547475 |
|---|---|
| Source publication | Darwish, M. S. (2017) - Kottamia 74-inch telescope discovery of the new eclipsing binary 2MASS J20004638 + 0547475.: First CCD photometry and light curve analysis |
| ADS link | 2017NewA...53...35D |
| Name in Source publication | 2MASS J20004638+0547475 |
| Orbital period in days (P [d]) | 0.286476 |
| Mass ratio (q) | 0.45 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.286476 |
| Mass ratio (q) | 0.45 |
| Orbital inclination in degrees (i [o]) | 81.9 |
| Fillout (f) | 0.69 |
| Primary temperature in Kelvins (T1 [K]) | 5392 |
| Secondary temperature in Kelvins (T2 [K]) | 5170 |
| Primary polar radius in units of orbital separation (r1p) | 0.4584 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3297 |
| Surface potential (Ω) | 2.5908 |
| Orbital separation in solar radii (a [R]) | 2.05 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.05 |
| Secondary radius in solar units (R2 [R]) | 0.97 |
| Primary mass in solar units (M1 [M]) | 0.97 |
| Secondary mass in solar units (M2 [M]) | 0.44 |
| Primary temperature in kelvins (T1 [K]) | 5392 |
| Secondary temperature in Kelvins (T2 [K]) | 5170 |
| Primary luminosity in solar units (L1 [L]) | 0.83 |
| Secondary luminosity in solar units (L2 [L]) | 0.61 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 7.12 |
| Designation | Gaia DR2 4248896109529985792 |
|---|---|
| RA | 300:11:35.88396 |
| DEC | 5:47:47.627556 |
| l | 46.26309465 |
| b | -12.57708894 |
| G [mag] | 16.97944 |
| G_bp [mag] | 17.410084 |
| G_rp [mag] | 16.376081 |
| Parallax | 0.369572272 |
| Distance [pc] | 2.31E-09 |
| Temperature [K] | 5120.6133 |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | 2MASS J20004638+0547475 |
|---|---|
| J magnitude | 15.63 |
| H magnitude | 15.26 |
| K magnitude | 14.82 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 16.9794 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |