TIC 257525627
| Simbad link | TIC 257525627 |
|---|---|
| Source publication | Guo, Yani (2025) - The Investigation of 84 TESS Totally Eclipsing Contact Binaries |
| ADS link | 2025AJ....170..115G |
| Name in Source publication | TIC 257525627 |
| Orbital period in days (P [d]) | 0.456619 |
| Mass ratio (q) | 0.2 |
| 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 257525627 |
| Solver | PHOEBE2 |
|---|---|
| Orbital period in days (P [d]) | 0.456619 |
| Mass ratio (q) | 0.2 |
| Orbital inclination in degrees (i [o]) | 79.2 |
| Fillout (f) | 0.57 |
| Primary temperature in Kelvins (T1 [K]) | 6338 |
| Secondary temperature in Kelvins (T2 [K]) | 6251 |
| 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]) | 2.74 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.69 |
| Secondary radius in solar units (R2 [R]) | 0.86 |
| Primary mass in solar units (M1 [M]) | 1.57 |
| Secondary mass in solar units (M2 [M]) | 0.31 |
| Primary temperature in kelvins (T1 [K]) | 6338 |
| Secondary temperature in Kelvins (T2 [K]) | 6251 |
| Primary luminosity in solar units (L1 [L]) | 1.3 |
| Secondary luminosity in solar units (L2 [L]) | 0.32 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Designation | Gaia DR3 5078057314303209984 |
|---|---|
| RA | 45:48:42.394087 |
| DEC | -24:48:47.840745 |
| l | 212.78216116073165 |
| b | -59.99957642958578 |
| G [mag] | 11.7088995 |
| G_bp [mag] | 11.94588 |
| G_rp [mag] | 11.276314 |
| Parallax | 1.7983319475065997 |
| Distance [pc] | 543.3755 |
| Temperature [K] | 6278.3545 |
| Surface gravity log(g) [cm/s2] | 3.9969 |
| Metallicity [Fe/H] | -0.1306 |
| Monochromatic extinction A0 [mag] | 0.0199 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | TIC 257525627 |
|---|---|
| J magnitude | 11.09 |
| H magnitude | 10.871 |
| K magnitude | 10.843 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 12.02 |
| Johnson_V magnitude | 11.69 |
| Johnson_R magnitude | 11.878 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.022 |
| Sloan_r magnitude | 11.681 |
| Sloan_i magnitude | 11.58 |
| Sloan_z magnitude |