V902 Cep
| Simbad link | V902 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 | V902 Cep |
| Orbital period in days (P [d]) | 0.3287 |
| Mass ratio (q) | 6.16 |
| 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 398286501 |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.3287 |
| Mass ratio (q) | 6.16 |
| Orbital inclination in degrees (i [o]) | 79.1 |
| Fillout (f) | 0.47 |
| Primary temperature in Kelvins (T1 [K]) | 6370 |
| Secondary temperature in Kelvins (T2 [K]) | 5890 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 10.279 |
| Orbital separation in solar radii (a [R]) | 2.16 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.56 |
| Secondary radius in solar units (R2 [R]) | 1.21 |
| Primary mass in solar units (M1 [M]) | 0.18 |
| Secondary mass in solar units (M2 [M]) | 1.08 |
| Primary temperature in kelvins (T1 [K]) | 6370 |
| Secondary temperature in Kelvins (T2 [K]) | 5890 |
| Primary luminosity in solar units (L1 [L]) | 0.47 |
| Secondary luminosity in solar units (L2 [L]) | 1.57 |
| Distance in parsecs (d [pc]) | 263 |
| Age in gigayears (τ [gyr]) |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 110 | 90 | 25.1 | 0.86 |
| Designation | Gaia DR3 2299278443760463360 |
|---|---|
| RA | 340:17:02.505383 |
| DEC | 82:42:25.015589 |
| l | 118.73570632454273 |
| b | 20.921550809069984 |
| G [mag] | 11.873564 |
| G_bp [mag] | 12.239947 |
| G_rp [mag] | 11.3047695 |
| Parallax | 3.4292711829062656 |
| Distance [pc] | 288.6043 |
| Temperature [K] | 5523.859 |
| Surface gravity log(g) [cm/s2] | 4.2675 |
| Metallicity [Fe/H] | 0.2306 |
| Monochromatic extinction A0 [mag] | 0.0208 |
| Radius [R] | 1.35 |
| Luminosity [L] | 1.227 |
| Simbad link | V902 Cep |
|---|---|
| J magnitude | 10.623 |
| H magnitude | 10.239 |
| K magnitude | 10.172 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 12.44 |
| Johnson_V magnitude | 11.77 |
| Johnson_R magnitude | 11.336 |
| Johnson_I magnitude | 10.933 |
| Sloan_u magnitude | |
| Sloan_g magnitude | |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |