2MASS J11201034-2201340
| Simbad link | 2MASS J11201034-2201340 |
|---|---|
| Source publication | Hu, Chin-Ping (2016) - Discovery of an X-Ray-emitting Contact Binary System 2MASS J11201034-2201340 |
| ADS link | 2016AJ....151..170H |
| Name in Source publication | 2MASS J11201034-2201340 |
| Orbital period in days (P [d]) | 0.288762 |
| Mass ratio (q) | 0.32 |
| 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]) | 0.288762 |
| Mass ratio (q) | 0.32 |
| Orbital inclination in degrees (i [o]) | 88.5 |
| Fillout (f) | 0.15 |
| Primary temperature in Kelvins (T1 [K]) | 4960 |
| Secondary temperature in Kelvins (T2 [K]) | 5124 |
| Primary polar radius in units of orbital separation (r1p) | 0.4576 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2716 |
| Surface potential (Ω) | 2.4735 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | |
| Secondary radius in solar units (R2 [R]) | |
| Primary mass in solar units (M1 [M]) | |
| Secondary mass in solar units (M2 [M]) | |
| Primary temperature in kelvins (T1 [K]) | 4960 |
| Secondary temperature in Kelvins (T2 [K]) | 5124 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Designation | Gaia DR2 3538469421685625856 |
|---|---|
| RA | 170:02:35.21004 |
| DEC | -23:58:25.84884 |
| l | 276.5079411 |
| b | 36.11913745 |
| G magnitude | 15.299733 |
| G_bp magnitude | 15.760596 |
| G_rp magnitude | 14.650805 |
| Radial velocity [km/s] | |
| Parallax | 0.925216277 |
| Distance [pc] | 1080.828369 |
| Temperature [K] | 5044.0737 |
| Radius [R] | 1.1126293 |
| Luminosity [L] | 0.7219738 |
| Simbad link | 2MASS J11201034-2201340 |
|---|---|
| J magnitude | 13.88 |
| H magnitude | 13.35 |
| K magnitude | 13.28 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 16 |
| Johnson_V magnitude | 15.31 |
| Johnson_R magnitude | 15 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 15.2997 |
| Sloan_r magnitude | 15 |
| Sloan_i magnitude | |
| Sloan_z magnitude |