V865 Cyg
| Simbad link | V865 Cyg |
|---|---|
| Source publication | Samec, Ronald G. (1992) - CCD Photometry and Preliminary Analysis of V865 Cygni |
| ADS link | 1992PASP..104...29S |
| Name in Source publication | V865 Cyg |
| Orbital period in days (P [d]) | 0.365302 |
| Mass ratio (q) | 0.45 |
| Mass ratio determination | Photometric |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.365302 |
| Mass ratio (q) | 0.45 |
| Orbital inclination in degrees (i [o]) | 84.2 |
| Fillout (f) | 0.17 |
| Primary temperature in Kelvins (T1 [K]) | 5650 |
| Secondary temperature in Kelvins (T2 [K]) | 5537 |
| Primary polar radius in units of orbital separation (r1p) | 0.432 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2995 |
| Surface potential (Ω) | 2.724 |
| 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]) | 5650 |
| Secondary temperature in Kelvins (T2 [K]) | 5537 |
| 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]) | 0.365302 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.004666 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 2046013705608746624 |
|---|---|
| RA | 291:51:12.39624 |
| DEC | 33:03:09.435132 |
| l | 66.29715986 |
| b | 7.589875882 |
| G magnitude | 13.600268 |
| G_bp magnitude | 13.949402 |
| G_rp magnitude | 13.089794 |
| Radial velocity [km/s] | |
| Parallax | 1.205199742 |
| Distance [pc] | 829.73798 |
| Temperature [K] | 5766.975 |
| Radius [R] | 1.3668157 |
| Luminosity [L] | 1.8616881 |
| Simbad link | V865 Cyg |
|---|---|
| J magnitude | 12.63 |
| H magnitude | 12.306 |
| K magnitude | 12.257 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.6003 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |