V803 Aql
| Simbad link | V803 Aql |
|---|---|
| Source publication | Samec, Ronald G. (1993) - V803 Aquilae: A Newborn W Ursae Majoris Siamese Twin? |
| ADS link | 1993PASP..105.1441S |
| Name in Source publication | V803 Aql |
| Orbital period in days (P [d]) | 0.263423 |
| Mass ratio (q) | 1 |
| 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]) | 0.263423 |
| Mass ratio (q) | 1 |
| Orbital inclination in degrees (i [o]) | 82.9 |
| Fillout (f) | 0.09 |
| Primary temperature in Kelvins (T1 [K]) | 4600 |
| Secondary temperature in Kelvins (T2 [K]) | 4594 |
| Primary polar radius in units of orbital separation (r1p) | 0.3621 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3621 |
| Surface potential (Ω) | 3.702 |
| 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]) | 4600 |
| Secondary temperature in Kelvins (T2 [K]) | 4594 |
| 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]) | 0.263423 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | |
| Cyclic period variation in years (Pc [y]) | 74.6 |
| Period study | Zasche, P. (2009) - Period changes in six contact binaries: WZ And, V803 Aql, DF Hya, PY Lyr, FZ Ori, and AH Tau |
| ADS link | 2009NewA...14..121Z |
| Designation | Gaia DR2 4205365039766754944 |
|---|---|
| RA | 285:11:02.41836 |
| DEC | -8:31:09.937492 |
| l | 27.30934237 |
| b | -5.460228108 |
| G magnitude | 19.961061 |
| G_bp magnitude | 19.105394 |
| G_rp magnitude | 18.226774 |
| Radial velocity [km/s] | |
| Parallax | |
| Distance [pc] | |
| Temperature [K] | |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | V803 Aql |
|---|---|
| J magnitude | 11.63 |
| H magnitude | 11.356 |
| K magnitude | 11.302 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.8098 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |