V699 Cep
| Simbad link | V699 Cep |
|---|---|
| Source publication | Wang, Yi-Fan (2025) - Photometric and spectroscopic studies of four low mass-ratio contact binaries with period longer than 0.7 d |
| ADS link | 2025MNRAS.544.1958W |
| Name in Source publication | V699 Cep |
| Orbital period in days (P [d]) | 0.805073 |
| Mass ratio (q) | 0.22 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.805073 |
| Mass ratio (q) | 0.22 |
| Orbital inclination in degrees (i [o]) | 78.8 |
| Fillout (f) | 0.45 |
| Primary temperature in Kelvins (T1 [K]) | 6662 |
| Secondary temperature in Kelvins (T2 [K]) | 6651 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 2.229 |
| Orbital separation in solar radii (a [R]) | 5.03 |
|---|---|
| Primary radius in solar units (R1 [R]) | 2.63 |
| Secondary radius in solar units (R2 [R]) | 1.42 |
| Primary mass in solar units (M1 [M]) | 2.12 |
| Secondary mass in solar units (M2 [M]) | 0.51 |
| Primary temperature in kelvins (T1 [K]) | 6662 |
| Secondary temperature in Kelvins (T2 [K]) | 6651 |
| Primary luminosity in solar units (L1 [L]) | 12.23 |
| Secondary luminosity in solar units (L2 [L]) | 3.54 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.805073 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.006048 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR3 2007362057959414144 |
|---|---|
| RA | 341:30:09.774112 |
| DEC | 57:46:49.580807 |
| l | 106.8212770382554 |
| b | -1.1137843227185835 |
| G [mag] | 11.83121 |
| G_bp [mag] | 12.055472 |
| G_rp [mag] | 11.065987 |
| Parallax | 1.3379260301787381 |
| Distance [pc] | |
| Temperature [K] | |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 6659.91 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.145 |
| Metallicity [Fe/H] | 0.243 |
| Simbad link | V699 Cep |
|---|---|
| J magnitude | |
| H magnitude | |
| K magnitude | |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
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