GS Lyn
| Simbad link | GS Lyn |
|---|---|
| Source publication | Liu, Fei (2025) - Extremely low mass ratio contact binaries ─ II. The first photometric and spectroscopic investigations of six systems with orbital periods longer than 0.5 d |
| ADS link | 2025MNRAS.540.1290L |
| Name in Source publication | J073647 |
| Orbital period in days (P [d]) | 0.558483 |
| Mass ratio (q) | 0.15 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 453402681 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.558483 |
| Mass ratio (q) | 0.15 |
| Orbital inclination in degrees (i [o]) | 81.5 |
| Fillout (f) | 0.49 |
| Primary temperature in Kelvins (T1 [K]) | 6807 |
| Secondary temperature in Kelvins (T2 [K]) | 6698 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 2.056 |
| Orbital separation in solar radii (a [R]) | 3.64 |
|---|---|
| Primary radius in solar units (R1 [R]) | 2.06 |
| Secondary radius in solar units (R2 [R]) | 0.92 |
| Primary mass in solar units (M1 [M]) | 1.8 |
| Secondary mass in solar units (M2 [M]) | 0.27 |
| Primary temperature in kelvins (T1 [K]) | 6807 |
| Secondary temperature in Kelvins (T2 [K]) | 6698 |
| Primary luminosity in solar units (L1 [L]) | 8.14 |
| Secondary luminosity in solar units (L2 [L]) | 1.52 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 2.74 |
| Orbital period in days (P [d]) | 0.558483 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.033264 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR3 982087531141579904 |
|---|---|
| RA | 114:11:46.90268 |
| DEC | 49:20:44.025078 |
| l | 168.93525086162555 |
| b | 27.381518003466777 |
| G [mag] | 13.391604 |
| G_bp [mag] | 13.586341 |
| G_rp [mag] | 12.94388 |
| Parallax | 0.7206581229002241 |
| Distance [pc] | 1281.3701 |
| Temperature [K] | 6241.131 |
| Surface gravity log(g) [cm/s2] | 3.8744 |
| Metallicity [Fe/H] | -0.5228 |
| Monochromatic extinction A0 [mag] | 0.0061 |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 6696.67 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.255 |
| Metallicity [Fe/H] | -0.025 |
| Simbad link | GS Lyn |
|---|---|
| J magnitude | 12.355 |
| H magnitude | 12.165 |
| K magnitude | 12.118 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 13.91 |
| Johnson_V magnitude | 13.41 |
| Johnson_R magnitude | 13.51 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.63 |
| Sloan_r magnitude | 13.28 |
| Sloan_i magnitude | 13.18 |
| Sloan_z magnitude |