OGLE BLG-ECL-12
| Simbad link | OGLE BLG-ECL-12 |
|---|---|
| Source publication | Papageorgiou, Athanasios (2023) - Three Ultra-short-period Contact Eclipsing Binary Systems Mined from Massive Astronomical Surveys |
| ADS link | 2023AJ....165...80P |
| Name in Source publication | OGLE012 |
| Orbital period in days (P [d]) | 0.218944 |
| Mass ratio (q) | 0.42 |
| Mass ratio determination | Photometric |
| Temperature determination | Color index |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.218944 |
| Mass ratio (q) | 0.42 |
| Orbital inclination in degrees (i [o]) | 85 |
| Fillout (f) | 0.28 |
| Primary temperature in Kelvins (T1 [K]) | 4774 |
| Secondary temperature in Kelvins (T2 [K]) | 4588 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 2.635 |
| Orbital separation in solar radii (a [R]) | 1.63 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.78 |
| Secondary radius in solar units (R2 [R]) | 0.53 |
| Primary mass in solar units (M1 [M]) | 0.85 |
| Secondary mass in solar units (M2 [M]) | 0.36 |
| Primary temperature in kelvins (T1 [K]) | 4774 |
| Secondary temperature in Kelvins (T2 [K]) | 4588 |
| Primary luminosity in solar units (L1 [L]) | 0.28 |
| Secondary luminosity in solar units (L2 [L]) | 0.11 |
| Distance in parsecs (d [pc]) | 1440 |
| Age in gigayears (τ [gyr]) |
| Designation | Gaia DR3 4058838240413090944 |
|---|---|
| RA | 263:03:00.016409 |
| DEC | -30:54:43.506114 |
| l | 358.306608815183 |
| b | 2.401018510546886 |
| G [mag] | 18.31798 |
| G_bp [mag] | 19.306025 |
| G_rp [mag] | 17.247816 |
| Parallax | 0.749384664251066 |
| Distance [pc] | 559.8841 |
| Temperature [K] | 3789.1206 |
| Surface gravity log(g) [cm/s2] | 4.8652 |
| Metallicity [Fe/H] | -0.6874 |
| Monochromatic extinction A0 [mag] | 0.7575 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | OGLE BLG-ECL-12 |
|---|---|
| J magnitude | |
| H magnitude | |
| K magnitude | |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 18.887 |
| Johnson_R magnitude | |
| Johnson_I magnitude | 17.2935 |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |