TIC 261089147
| Simbad link | TIC 261089147 |
|---|---|
| Source publication | Guo, Yani (2025) - The Investigation of 84 TESS Totally Eclipsing Contact Binaries |
| ADS link | 2025AJ....170..115G |
| Name in Source publication | TIC 261089147 |
| Orbital period in days (P [d]) | 0.461666 |
| Mass ratio (q) | 0.24 |
| 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 261089147 |
| Solver | PHOEBE2 |
|---|---|
| Orbital period in days (P [d]) | 0.461666 |
| Mass ratio (q) | 0.24 |
| Orbital inclination in degrees (i [o]) | 79.8 |
| Fillout (f) | 0.35 |
| Primary temperature in Kelvins (T1 [K]) | 7764 |
| Secondary temperature in Kelvins (T2 [K]) | 6987 |
| 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]) | 3.08 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.65 |
| Secondary radius in solar units (R2 [R]) | 0.89 |
| Primary mass in solar units (M1 [M]) | 1.53 |
| Secondary mass in solar units (M2 [M]) | 0.36 |
| Primary temperature in kelvins (T1 [K]) | 7764 |
| Secondary temperature in Kelvins (T2 [K]) | 6987 |
| Primary luminosity in solar units (L1 [L]) | 2.25 |
| Secondary luminosity in solar units (L2 [L]) | 0.48 |
| 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 | 82 | 90 | 35 | 0.953 |
| Designation | Gaia DR3 4621549535379101056 |
|---|---|
| RA | 81:42:24.237887 |
| DEC | -82:24:54.205186 |
| l | 293.8761954855355 |
| b | -29.872639410073045 |
| G [mag] | 8.306658 |
| G_bp [mag] | 8.410555 |
| G_rp [mag] | 8.048461 |
| Parallax | 6.964421371400747 |
| Distance [pc] | 143.4732 |
| Temperature [K] | 7450.554 |
| Surface gravity log(g) [cm/s2] | 4.104 |
| Metallicity [Fe/H] | -1.3708 |
| Monochromatic extinction A0 [mag] | 0.0047 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | TIC 261089147 |
|---|---|
| J magnitude | 7.597 |
| H magnitude | 7.509 |
| K magnitude | 7.434 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 8.51 |
| Johnson_V magnitude | 8.26 |
| Johnson_R magnitude | |
| Johnson_I magnitude | 7.913 |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |