S Ant
| Simbad link | S Ant |
|---|---|
| Source publication | Latković, Olivera (2024) - Combined light curve and radial velocity analysis of the neglected contact binary S Ant |
| ADS link | 2024NewA..11302291L |
| Name in Source publication | S Ant |
| Orbital period in days (P [d]) | 0.648349 |
| Mass ratio (q) | 0.34 |
| Mass ratio determination | Photometric |
| Temperature determination | Spectral type |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 189476500 |
| Solver | DC |
|---|---|
| Orbital period in days (P [d]) | 0.648349 |
| Mass ratio (q) | 0.34 |
| Orbital inclination in degrees (i [o]) | 79 |
| Fillout (f) | 0.32 |
| Primary temperature in Kelvins (T1 [K]) | 6640 |
| Secondary temperature in Kelvins (T2 [K]) | 5970 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 2.4911 |
| Orbital separation in solar radii (a [R]) | 4.09 |
|---|---|
| Primary radius in solar units (R1 [R]) | 2.02 |
| Secondary radius in solar units (R2 [R]) | 1.27 |
| Primary mass in solar units (M1 [M]) | 1.63 |
| Secondary mass in solar units (M2 [M]) | 0.56 |
| Primary temperature in kelvins (T1 [K]) | 6640 |
| Secondary temperature in Kelvins (T2 [K]) | 5970 |
| Primary luminosity in solar units (L1 [L]) | 7.03 |
| Secondary luminosity in solar units (L2 [L]) | 1.82 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 3.33 |
| Orbital period in days (P [d]) | 0.648349 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.008251 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 190.7 | 70.8 | 42.8 | 0.935 |
| Designation | Gaia DR3 5633777360297734016 |
|---|---|
| RA | 143:04:34.168121 |
| DEC | -29:22:20.736274 |
| l | 258.54813889623324 |
| b | 16.614442474180905 |
| G [mag] | 6.4480147 |
| G_bp [mag] | 6.63592 |
| G_rp [mag] | 6.1477365 |
| Parallax | 12.61162086024366 |
| Distance [pc] | 79.1386 |
| Temperature [K] | 6994.7524 |
| Surface gravity log(g) [cm/s2] | 3.9498 |
| Metallicity [Fe/H] | 0.3707 |
| Monochromatic extinction A0 [mag] | 0.0006 |
| Radius [R] | 2.2238226 |
| Luminosity [L] | 11.828986 |
| Simbad link | S Ant |
|---|---|
| J magnitude | 6.087 |
| H magnitude | 5.96 |
| K magnitude | 5.865 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 6.77 |
| Johnson_V magnitude | 6.45 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |