LINEAR 6549937
| Simbad link | LINEAR 6549937 |
|---|---|
| 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 | J0913 |
| Orbital period in days (P [d]) | 0.278685 |
| Mass ratio (q) | 1.07 |
| 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 56861864 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.278685 |
| Mass ratio (q) | 1.07 |
| Orbital inclination in degrees (i [o]) | 66.9 |
| Fillout (f) | 0.03 |
| Primary temperature in Kelvins (T1 [K]) | 5523 |
| Secondary temperature in Kelvins (T2 [K]) | 5142 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 3.83 |
| Orbital separation in solar radii (a [R]) | 1.6 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.57 |
| Secondary radius in solar units (R2 [R]) | 0.68 |
| Primary mass in solar units (M1 [M]) | 0.28 |
| Secondary mass in solar units (M2 [M]) | 0.42 |
| Primary temperature in kelvins (T1 [K]) | 5523 |
| Secondary temperature in Kelvins (T2 [K]) | 5142 |
| Primary luminosity in solar units (L1 [L]) | 0.27 |
| Secondary luminosity in solar units (L2 [L]) | 0.29 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.278685 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.036107 |
| Cyclic period variation in years (Pc [y]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 170.8 | 9.3 | 0.8 |
| Designation | Gaia DR3 817112137881061504 |
|---|---|
| RA | 138:28:18.29547 |
| DEC | 43:54:20.863081 |
| l | 176.9112439918532 |
| b | 43.597934634673315 |
| G [mag] | 14.736563 |
| G_bp [mag] | 15.204028 |
| G_rp [mag] | 14.107193 |
| Parallax | 1.3526950015159125 |
| Distance [pc] | 681.3566 |
| Temperature [K] | 5523.4497 |
| Surface gravity log(g) [cm/s2] | 4.4623 |
| Metallicity [Fe/H] | -0.1868 |
| Monochromatic extinction A0 [mag] | 0.4361 |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | LINEAR 6549937 |
|---|---|
| J magnitude | 13.387 |
| H magnitude | 12.91 |
| K magnitude | 12.795 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 14.71 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | 16.891 |
| Sloan_g magnitude | 15.223 |
| Sloan_r magnitude | 14.535 |
| Sloan_i magnitude | 14.282 |
| Sloan_z magnitude | 14.183 |