1SWASP J150822.80-054236.9
| Simbad link | 1SWASP J150822.80-054236.9 |
|---|---|
| Source publication | Loukaidou, G. A. (2022) - CoBiToM Project - II. Evolution of contact binary systems close to the orbital period cut-off |
| ADS link | 2022MNRAS.514.5528L |
| Name in Source publication | 1SWASP J150822.80-054236.9 |
| Orbital period in days (P [d]) | 0.260061 |
| Mass ratio (q) | 0.51 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Color index |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 20797555 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.260061 |
| Mass ratio (q) | 0.51 |
| Orbital inclination in degrees (i [o]) | 86.8 |
| Fillout (f) | 0.11 |
| Primary temperature in Kelvins (T1 [K]) | 5150 |
| Secondary temperature in Kelvins (T2 [K]) | 5130 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 2.86 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.87 |
| Secondary radius in solar units (R2 [R]) | 0.61 |
| Primary mass in solar units (M1 [M]) | 0.93 |
| Secondary mass in solar units (M2 [M]) | 0.48 |
| Primary temperature in kelvins (T1 [K]) | 5150 |
| Secondary temperature in Kelvins (T2 [K]) | 5130 |
| Primary luminosity in solar units (L1 [L]) | 0.48 |
| Secondary luminosity in solar units (L2 [L]) | 0.23 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.260061 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | |
| Cyclic period variation in years (Pc [y]) | 3.86 |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 39.1 | 40.4 | 0.572 |
| Designation | Gaia DR3 6334708463860687232 |
|---|---|
| RA | 227:05:41.995764 |
| DEC | -6:17:23.077851 |
| l | 353.298681333374 |
| b | 43.37426373981018 |
| G [mag] | 12.44147 |
| G_bp [mag] | 12.889073 |
| G_rp [mag] | 11.792658 |
| Parallax | 4.356722088361565 |
| Distance [pc] | 228.4244 |
| Temperature [K] | 4901.485 |
| Surface gravity log(g) [cm/s2] | 4.4055 |
| Metallicity [Fe/H] | -0.641 |
| Monochromatic extinction A0 [mag] | 0.008 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | 1SWASP J150822.80-054236.9 |
|---|---|
| J magnitude | 11.177 |
| H magnitude | 10.684 |
| K magnitude | 10.609 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 12.45 |
| Johnson_R magnitude | 12.306 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.323 |
| Sloan_r magnitude | 12.535 |
| Sloan_i magnitude | 12.232 |
| Sloan_z magnitude |