[GGM2006] 4731150
| Simbad link | [GGM2006] 4731150 |
|---|---|
| Source publication | Xia, Qiqi (2025) - Minute-cadence Observations of the LAMOST Fields with the TMTS. VI. Physical Parameters of Contact Binaries |
| ADS link | 2025AJ....169..139X |
| Name in Source publication | J0759 |
| Orbital period in days (P [d]) | 0.295947 |
| Mass ratio (q) | 5.47 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Unknown |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 289485345 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.295947 |
| Mass ratio (q) | 5.47 |
| Orbital inclination in degrees (i [o]) | 78.2 |
| Fillout (f) | 0.14 |
| Primary temperature in Kelvins (T1 [K]) | 5144 |
| Secondary temperature in Kelvins (T2 [K]) | 4947 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 9.75 |
| Orbital separation in solar radii (a [R]) | 1.93 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.48 |
| Secondary radius in solar units (R2 [R]) | 1.03 |
| Primary mass in solar units (M1 [M]) | 0.17 |
| Secondary mass in solar units (M2 [M]) | 0.93 |
| Primary temperature in kelvins (T1 [K]) | 5144 |
| Secondary temperature in Kelvins (T2 [K]) | 4947 |
| Primary luminosity in solar units (L1 [L]) | 0.15 |
| Secondary luminosity in solar units (L2 [L]) | 0.58 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.295947 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.022023 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 110.9 | 11.9 | 0.7 |
| Designation | Gaia DR3 921365631404212096 |
|---|---|
| RA | 119:52:28.169048 |
| DEC | 40:19:45.016657 |
| l | 179.88426574997112 |
| b | 29.5800333522332 |
| G [mag] | 13.171541 |
| G_bp [mag] | 13.488686 |
| G_rp [mag] | 12.672541 |
| Parallax | 1.8072853677301297 |
| Distance [pc] | 538.1636 |
| Temperature [K] | 5901.906 |
| Surface gravity log(g) [cm/s2] | 4.3012 |
| Metallicity [Fe/H] | -0.3806 |
| Monochromatic extinction A0 [mag] | 0.0587 |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 5143.69 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.689 |
| Metallicity [Fe/H] | -0.475 |
| Simbad link | [GGM2006] 4731150 |
|---|---|
| J magnitude | 12.26 |
| H magnitude | 11.96 |
| K magnitude | 11.906 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 13.2 |
| Johnson_V magnitude | 13.03 |
| Johnson_R magnitude | 12.5 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.512 |
| Sloan_r magnitude | 13.076 |
| Sloan_i magnitude | |
| Sloan_z magnitude |