TIC 254298146
| Simbad link | TIC 254298146 |
|---|---|
| Source publication | Guo, Yani (2025) - The Investigation of 84 TESS Totally Eclipsing Contact Binaries |
| ADS link | 2025AJ....170..115G |
| Name in Source publication | TIC 254298146 |
| Orbital period in days (P [d]) | 0.387939 |
| Mass ratio (q) | 0.15 |
| 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 254298146 |
| Solver | PHOEBE2 |
|---|---|
| Orbital period in days (P [d]) | 0.387939 |
| Mass ratio (q) | 0.15 |
| Orbital inclination in degrees (i [o]) | 79.2 |
| Fillout (f) | 0.09 |
| Primary temperature in Kelvins (T1 [K]) | 6880 |
| Secondary temperature in Kelvins (T2 [K]) | 5934 |
| 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]) | 3.98 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.48 |
| Secondary radius in solar units (R2 [R]) | 0.62 |
| Primary mass in solar units (M1 [M]) | 1.49 |
| Secondary mass in solar units (M2 [M]) | 0.22 |
| Primary temperature in kelvins (T1 [K]) | 6880 |
| Secondary temperature in Kelvins (T2 [K]) | 5934 |
| Primary luminosity in solar units (L1 [L]) | 1.3 |
| Secondary luminosity in solar units (L2 [L]) | 0.14 |
| 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 | 3 | 90 | 57 | 0.957 |
| Designation | Gaia DR3 2332576088254912768 |
|---|---|
| RA | 355:05:08.614451 |
| DEC | -26:29:52.586045 |
| l | 34.74774555781222 |
| b | -73.99888358533151 |
| G [mag] | 12.278698 |
| G_bp [mag] | 12.47155 |
| G_rp [mag] | 11.93143 |
| Parallax | 1.5417707380651493 |
| Distance [pc] | 632.7107 |
| Temperature [K] | 6629.8564 |
| Surface gravity log(g) [cm/s2] | 4.2398 |
| Metallicity [Fe/H] | 0.0136 |
| Monochromatic extinction A0 [mag] | 0.0038 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | TIC 254298146 |
|---|---|
| J magnitude | |
| H magnitude | |
| K magnitude | |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 12.224 |
| Johnson_R magnitude | 12.436 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.321 |
| Sloan_r magnitude | 12.146 |
| Sloan_i magnitude | 12.127 |
| Sloan_z magnitude |