NSVS 667994
| Simbad link | NSVS 667994 |
|---|---|
| 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 667994 |
| Orbital period in days (P [d]) | 0.266885 |
| Mass ratio (q) | 0.32 |
| Mass ratio determination | Photometric |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.266885 |
| Mass ratio (q) | 0.32 |
| Orbital inclination in degrees (i [o]) | 89.3 |
| Fillout (f) | 0.19 |
| Primary temperature in Kelvins (T1 [K]) | 5250 |
| Secondary temperature in Kelvins (T2 [K]) | 5330 |
| Primary polar radius in units of orbital separation (r1p) | 0.4583 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2739 |
| Surface potential (Ω) | 2.473 |
| Orbital separation in solar radii (a [R]) | 1.71 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.84 |
| Secondary radius in solar units (R2 [R]) | 0.51 |
| Primary mass in solar units (M1 [M]) | 0.71 |
| Secondary mass in solar units (M2 [M]) | 0.23 |
| Primary temperature in kelvins (T1 [K]) | 5250 |
| Secondary temperature in Kelvins (T2 [K]) | 5330 |
| Primary luminosity in solar units (L1 [L]) | 0.48 |
| Secondary luminosity in solar units (L2 [L]) | 0.19 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 9.01 |