TIC 279481568
| Simbad link | TIC 279481568 |
|---|---|
| Source publication | Guo, Yani (2025) - The Investigation of 84 TESS Totally Eclipsing Contact Binaries |
| ADS link | 2025AJ....170..115G |
| Name in Source publication | TIC 279481568 |
| Orbital period in days (P [d]) | 0.316546 |
| Mass ratio (q) | 0.29 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 279481568 |
| Solver | PHOEBE2 |
|---|---|
| Orbital period in days (P [d]) | 0.316546 |
| Mass ratio (q) | 0.29 |
| Orbital inclination in degrees (i [o]) | 81.1 |
| Fillout (f) | 0.11 |
| Primary temperature in Kelvins (T1 [K]) | 5491 |
| Secondary temperature in Kelvins (T2 [K]) | 5750 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) |
| Orbital separation in solar radii (a [R]) | 6.4 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.12 |
| Secondary radius in solar units (R2 [R]) | 0.63 |
| Primary mass in solar units (M1 [M]) | 1.18 |
| Secondary mass in solar units (M2 [M]) | 0.34 |
| Primary temperature in kelvins (T1 [K]) | 5491 |
| Secondary temperature in Kelvins (T2 [K]) | 5750 |
| Primary luminosity in solar units (L1 [L]) | 0.35 |
| Secondary luminosity in solar units (L2 [L]) | 0.13 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 92 | 90 | 45 | 0.953 |
| Designation | Gaia DR3 5484252197055388288 |
|---|---|
| RA | 105:31:44.588788 |
| DEC | -57:52:56.479805 |
| l | 266.362920256483 |
| b | -20.820496138966732 |
| G [mag] | 12.773383 |
| G_bp [mag] | 13.184198 |
| G_rp [mag] | 12.207076 |
| Parallax | 2.4977727553488314 |
| Distance [pc] | 397.6711 |
| Temperature [K] | 5615.2783 |
| Surface gravity log(g) [cm/s2] | 4.3028 |
| Metallicity [Fe/H] | 0.1149 |
| Monochromatic extinction A0 [mag] | 0.2499 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | TIC 279481568 |
|---|---|
| J magnitude | 11.407 |
| H magnitude | 11.031 |
| K magnitude | 10.911 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 13.539 |
| Johnson_V magnitude | 12.852 |
| Johnson_R magnitude | 13.066 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.157 |
| Sloan_r magnitude | 12.62 |
| Sloan_i magnitude | 12.445 |
| Sloan_z magnitude |