V371 Cep
| Simbad link | V371 Cep |
|---|---|
| Source publication | Liu, L. (2011) - Photometric investigation of three W UMa-type binary stars in the old open cluster NGC 188 |
| ADS link | 2011MNRAS.415.3006L |
| Name in Source publication | V371 Cep |
| Orbital period in days (P [d]) | 0.589898 |
| Mass ratio (q) | 0.52 |
| Mass ratio determination | Photometric |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.589898 |
| Mass ratio (q) | 0.52 |
| Orbital inclination in degrees (i [o]) | 56.5 |
| Fillout (f) | 0.44 |
| Primary temperature in Kelvins (T1 [K]) | 4801 |
| Secondary temperature in Kelvins (T2 [K]) | 5024 |
| Primary polar radius in units of orbital separation (r1p) | 0.4349 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3265 |
| Surface potential (Ω) | 2.7728 |
| Orbital separation in solar radii (a [R]) | 3.03 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.43 |
| Secondary radius in solar units (R2 [R]) | 1.09 |
| Primary mass in solar units (M1 [M]) | 0.72 |
| Secondary mass in solar units (M2 [M]) | 0.37 |
| Primary temperature in kelvins (T1 [K]) | 4801 |
| Secondary temperature in Kelvins (T2 [K]) | 5024 |
| Primary luminosity in solar units (L1 [L]) | 0.98 |
| Secondary luminosity in solar units (L2 [L]) | 0.68 |
| Distance in parsecs (d [pc]) | 1770 |
| Age in gigayears (τ [gyr]) | 4.05 |
| Orbital period in days (P [d]) | 0.589898 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.025315 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 573942909332939136 |
|---|---|
| RA | 12:05:37.725108 |
| DEC | 85:15:54.815328 |
| l | 122.8635663 |
| b | 22.39388296 |
| G magnitude | 15.855015 |
| G_bp magnitude | 16.386507 |
| G_rp magnitude | 15.157482 |
| Radial velocity [km/s] | |
| Parallax | 0.457686823 |
| Distance [pc] | 2184.900132 |
| Temperature [K] | 4852.0625 |
| Radius [R] | 1.9246105 |
| Luminosity [L] | 1.8496345 |
| Simbad link | V371 Cep |
|---|---|
| J magnitude | 14.442 |
| H magnitude | 13.836 |
| K magnitude | 13.834 |
| Johnson_U magnitude | 15.405 |
| Johnson_B magnitude | 17.074 |
| Johnson_V magnitude | 16.104 |
| Johnson_R magnitude | 15.724 |
| Johnson_I magnitude | |
| Sloan_u magnitude | 18.345 |
| Sloan_g magnitude | 16.481 |
| Sloan_r magnitude | 15.724 |
| Sloan_i magnitude | 15.405 |
| Sloan_z magnitude | 15.252 |