NSVS 7377875
| Simbad link | NSVS 7377875 |
|---|---|
| Source publication | Xu, Xin (2025) - Photometric and Spectroscopic Investigations of Three Large Amplitude Contact Binaries |
| ADS link | 2025AJ....169...85X |
| Name in Source publication | J084000 |
| Orbital period in days (P [d]) | 0.264985 |
| Mass ratio (q) | 0.78 |
| 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 188394930 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.264985 |
| Mass ratio (q) | 0.78 |
| Orbital inclination in degrees (i [o]) | 85.3 |
| Fillout (f) | 0.14 |
| Primary temperature in Kelvins (T1 [K]) | 4910 |
| Secondary temperature in Kelvins (T2 [K]) | 4798 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 3.32 |
| Orbital separation in solar radii (a [R]) | 1.95 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.81 |
| Secondary radius in solar units (R2 [R]) | 0.72 |
| Primary mass in solar units (M1 [M]) | 0.79 |
| Secondary mass in solar units (M2 [M]) | 0.62 |
| Primary temperature in kelvins (T1 [K]) | 4910 |
| Secondary temperature in Kelvins (T2 [K]) | 4798 |
| Primary luminosity in solar units (L1 [L]) | 0.34 |
| Secondary luminosity in solar units (L2 [L]) | 0.24 |
| 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 | 119 | 22 | 0.879 |
| Designation | Gaia DR3 909874119986081792 |
|---|---|
| RA | 130:00:07.611775 |
| DEC | 36:39:28.124072 |
| l | 185.88483527697363 |
| b | 36.72341814672949 |
| G [mag] | 13.116165 |
| G_bp [mag] | 13.615476 |
| G_rp [mag] | 12.443705 |
| Parallax | 3.344820305190103 |
| Distance [pc] | 295.4614 |
| Temperature [K] | 4926.9624 |
| Surface gravity log(g) [cm/s2] | 4.4486 |
| Metallicity [Fe/H] | -0.3462 |
| Monochromatic extinction A0 [mag] | 0.0088 |
| Radius [R] | 0.89 |
| Luminosity [L] | 0.417 |
| Temperature [K] | 4876.61 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.465 |
| Metallicity [Fe/H] | -0.273 |
| Simbad link | NSVS 7377875 |
|---|---|
| J magnitude | 11.407 |
| H magnitude | 10.916 |
| K magnitude | 10.773 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 13.18 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.735 |
| Sloan_r magnitude | 12.965 |
| Sloan_i magnitude | |
| Sloan_z magnitude |