NSVS 4316778
| Simbad link | NSVS 4316778 |
|---|---|
| Source publication | Kjurkchieva, Diana P. (2020) - Global parameters of the totally-eclipsing W UMa stars NSVS 6673994, NSVS 4316778, PP Lac and NSVS 1926064 |
| ADS link | 2020NewA...7701352K |
| Name in Source publication | NSVS 4316778 |
| Orbital period in days (P [d]) | 0.255963 |
| Mass ratio (q) | 0.15 |
| Mass ratio determination | Photometric |
| Temperature determination | Color index |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 453092955 |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.255963 |
| Mass ratio (q) | 0.15 |
| Orbital inclination in degrees (i [o]) | 75.6 |
| Fillout (f) | 0 |
| Primary temperature in Kelvins (T1 [K]) | 5960 |
| Secondary temperature in Kelvins (T2 [K]) | 6100 |
| Primary polar radius in units of orbital separation (r1p) | 0.5092 |
| Secondary polar radius in units of orbital separation (r2p) | 0.213 |
| Surface potential (Ω) | 2.095 |
| Orbital separation in solar radii (a [R]) | 1.58 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.87 |
| Secondary radius in solar units (R2 [R]) | 0.36 |
| Primary mass in solar units (M1 [M]) | 0.7 |
| Secondary mass in solar units (M2 [M]) | 0.1 |
| Primary temperature in kelvins (T1 [K]) | 5960 |
| Secondary temperature in Kelvins (T2 [K]) | 6100 |
| Primary luminosity in solar units (L1 [L]) | 0.85 |
| Secondary luminosity in solar units (L2 [L]) | 0.16 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 7.68 |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 270 | 90 | 20 | 0.85 |
| Designation | Gaia DR3 256264583835086336 |
|---|---|
| RA | 74:56:20.828538 |
| DEC | 49:25:03.064084 |
| l | 158.1332231578678 |
| b | 4.3129892632195 |
| G [mag] | 11.631455 |
| G_bp [mag] | 12.018807 |
| G_rp [mag] | 11.068901 |
| Parallax | 4.8059 |
| Distance [pc] | 205.6489 |
| Temperature [K] | 5863.4 |
| Surface gravity log(g) [cm/s2] | 4.4613 |
| Metallicity [Fe/H] | -0.1994 |
| Monochromatic extinction A0 [mag] | 0.2948 |
| Radius [R] | 1 |
| Luminosity [L] | 0.752 |
| Temperature [K] | 5538.1 |
|---|---|
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | -0.476 |
| Simbad link | NSVS 4316778 |
|---|---|
| J magnitude | 10.289 |
| H magnitude | 9.898 |
| K magnitude | 9.815 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 12.1 |
| Johnson_V magnitude | 11.76 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |