V816 Cep
| Simbad link | V816 Cep |
|---|---|
| Source publication | Kjurkchieva, Diana P. (2019) - Global Parameters of 12 Totally Eclipsing W UMa Stars |
| ADS link | 2019AJ....158..186K |
| Name in Source publication | V816 Cep |
| Orbital period in days (P [d]) | 0.311415 |
| Mass ratio (q) | 4.56 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 364118282 |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.311415 |
| Mass ratio (q) | 4.56 |
| Orbital inclination in degrees (i [o]) | 83.2 |
| Fillout (f) | 0.51 |
| Primary temperature in Kelvins (T1 [K]) | 6147 |
| Secondary temperature in Kelvins (T2 [K]) | 5812 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 8.29 |
| Orbital separation in solar radii (a [R]) | 2.92 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.84 |
| Secondary radius in solar units (R2 [R]) | 1.58 |
| Primary mass in solar units (M1 [M]) | 0.62 |
| Secondary mass in solar units (M2 [M]) | 2.83 |
| Primary temperature in kelvins (T1 [K]) | 6147 |
| Secondary temperature in Kelvins (T2 [K]) | 5812 |
| Primary luminosity in solar units (L1 [L]) | 0.9 |
| Secondary luminosity in solar units (L2 [L]) | 2.54 |
| Distance in parsecs (d [pc]) | 288 |
| Age in gigayears (τ [gyr]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 290 | 50 | 21.2 | 0.85 |
| Designation | Gaia DR3 2290121852659328128 |
|---|---|
| RA | 306:33:00.393845 |
| DEC | 75:56:00.493699 |
| l | 109.15682187075645 |
| b | 20.81782162506849 |
| G [mag] | 13.377222 |
| G_bp [mag] | 13.852036 |
| G_rp [mag] | 12.705419 |
| Parallax | 2.174977211510387 |
| Distance [pc] | 453.6983 |
| Temperature [K] | 5813.3276 |
| Surface gravity log(g) [cm/s2] | 4.2643 |
| Metallicity [Fe/H] | -0.2739 |
| Monochromatic extinction A0 [mag] | 0.8285 |
| Radius [R] | 1.29 |
| Luminosity [L] | 0.825 |
| Simbad link | V816 Cep |
|---|---|
| J magnitude | 12.263 |
| H magnitude | 11.82 |
| K magnitude | 11.705 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 13.1 |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 14.067 |
| Sloan_r magnitude | 13.372 |
| Sloan_i magnitude | |
| Sloan_z magnitude |