V502 Oph
| Simbad link | V502 Oph |
|---|---|
| Source publication | Xiao, Zhou (2016) - Physical properties and evolutionary status of the W-subtype contact binary V502 Oph with a stellar companion |
| ADS link | 2016PASJ...68..102X |
| Name in Source publication | V502 Oph |
| Orbital period in days (P [d]) | 0.453393 |
| Mass ratio (q) | 0.34 |
| Mass ratio determination | Spectroscopic |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.453393 |
| Mass ratio (q) | 0.34 |
| Orbital inclination in degrees (i [o]) | 76.4 |
| Fillout (f) | 0.35 |
| Primary temperature in Kelvins (T1 [K]) | 5900 |
| Secondary temperature in Kelvins (T2 [K]) | 6140 |
| Primary polar radius in units of orbital separation (r1p) | 0.4619 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2851 |
| Surface potential (Ω) | 2.4691 |
| Orbital separation in solar radii (a [R]) | 3.04 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.51 |
| Secondary radius in solar units (R2 [R]) | 0.94 |
| Primary mass in solar units (M1 [M]) | 1.37 |
| Secondary mass in solar units (M2 [M]) | 0.46 |
| Primary temperature in kelvins (T1 [K]) | 5900 |
| Secondary temperature in Kelvins (T2 [K]) | 6140 |
| Primary luminosity in solar units (L1 [L]) | 2.49 |
| Secondary luminosity in solar units (L2 [L]) | 1.13 |
| Distance in parsecs (d [pc]) | 86 |
| Age in gigayears (τ [gyr]) | 3.05 |
| Orbital period in days (P [d]) | 0.453393 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.014602 |
| Cyclic period variation in years (Pc [y]) | 18.7 |
| Designation | Gaia DR2 4383725101572110720 |
|---|---|
| RA | 250:20:12.51816 |
| DEC | 0:30:27.727672 |
| l | 17.21562823 |
| b | 28.84938852 |
| G magnitude | 8.430588 |
| G_bp magnitude | 8.777634 |
| G_rp magnitude | 7.980754 |
| Radial velocity [km/s] | |
| Parallax | 10.33407408 |
| Distance [pc] | 96.767257 |
| Temperature [K] | 5892.3335 |
| Radius [R] | 1.6453192 |
| Luminosity [L] | 2.9399796 |
| Simbad link | V502 Oph |
|---|---|
| J magnitude | 7.342 |
| H magnitude | 7.112 |
| K magnitude | 6.997 |
| Johnson_U magnitude | 7.865 |
| Johnson_B magnitude | 9.15 |
| Johnson_V magnitude | 8.5 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 8.4306 |
| Sloan_r magnitude | |
| Sloan_i magnitude | 7.865 |
| Sloan_z magnitude |