V2284 Cyg
| Simbad link | V2284 Cyg |
|---|---|
| Source publication | Wang, J. -J. (2017) - Is There a Substellar Object Orbiting the Solar-like Stable Contact Binary V2284 Cyg? |
| ADS link | 2017PASP..129l4202W |
| Name in Source publication | V2284 Cyg |
| Orbital period in days (P [d]) | 0.306992 |
| Mass ratio (q) | 0.34 |
| 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]) | 0.306992 |
| Mass ratio (q) | 0.34 |
| Orbital inclination in degrees (i [o]) | 81.5 |
| Fillout (f) | 0.39 |
| Primary temperature in Kelvins (T1 [K]) | 5281 |
| Secondary temperature in Kelvins (T2 [K]) | 5568 |
| Primary polar radius in units of orbital separation (r1p) | 0.4615 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2894 |
| Surface potential (Ω) | 2.4798 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | |
| Secondary radius in solar units (R2 [R]) | |
| Primary mass in solar units (M1 [M]) | |
| Secondary mass in solar units (M2 [M]) | |
| Primary temperature in kelvins (T1 [K]) | 5281 |
| Secondary temperature in Kelvins (T2 [K]) | 5568 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.306992 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.003758 |
| Cyclic period variation in years (Pc [y]) | 2.06 |
| Designation | Gaia DR2 2129695340869742592 |
|---|---|
| RA | 292:28:45.66108 |
| DEC | 48:55:00.3756 |
| l | 80.98442668 |
| b | 14.23881538 |
| G magnitude | 12.941214 |
| G_bp magnitude | 13.316907 |
| G_rp magnitude | 12.400249 |
| Radial velocity [km/s] | |
| Parallax | 2.212932619 |
| Distance [pc] | 451.889041 |
| Temperature [K] | 5426.767 |
| Radius [R] | 1.1556995 |
| Luminosity [L] | 1.0436366 |
| Simbad link | V2284 Cyg |
|---|---|
| J magnitude | 11.902 |
| H magnitude | 11.55 |
| K magnitude | 11.467 |
| Johnson_U magnitude | 12.345 |
| Johnson_B magnitude | 12.6 |
| Johnson_V magnitude | 13.135 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.9412 |
| Sloan_r magnitude | |
| Sloan_i magnitude | 12.345 |
| Sloan_z magnitude |