NSVS 1768818
| Simbad link | NSVS 1768818 |
|---|---|
| Source publication | Kjurkchieva, Diana P. (2019) - Global Parameters of 12 Totally Eclipsing W UMa Stars |
| ADS link | 2019AJ....158..186K |
| Name in Source publication | NSVS 1768818 |
| Orbital period in days (P [d]) | 0.416168 |
| Mass ratio (q) | 0.27 |
| Mass ratio determination | Photometric |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.416168 |
| Mass ratio (q) | 0.27 |
| Orbital inclination in degrees (i [o]) | 81.4 |
| Fillout (f) | 0.14 |
| Primary temperature in Kelvins (T1 [K]) | 6570 |
| Secondary temperature in Kelvins (T2 [K]) | 6240 |
| Primary polar radius in units of orbital separation (r1p) | 0.4687 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2595 |
| Surface potential (Ω) | 2.38 |
| Orbital separation in solar radii (a [R]) | 4.44 |
|---|---|
| Primary radius in solar units (R1 [R]) | 2.51 |
| Secondary radius in solar units (R2 [R]) | 1.03 |
| Primary mass in solar units (M1 [M]) | 2.49 |
| Secondary mass in solar units (M2 [M]) | 0.3 |
| Primary temperature in kelvins (T1 [K]) | 6570 |
| Secondary temperature in Kelvins (T2 [K]) | 6240 |
| Primary luminosity in solar units (L1 [L]) | 5.47 |
| Secondary luminosity in solar units (L2 [L]) | 0.74 |
| Distance in parsecs (d [pc]) | 427 |
| Age in gigayears (τ [gyr]) | 4.68 |
| Simbad link | NSVS 1768818 |
|---|---|
| J magnitude | 10.431 |
| H magnitude | 10.11 |
| K magnitude | 9.969 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 12.06 |
| Johnson_V magnitude | 11.97 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.4272 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |