V502 Her
| Simbad link | V502 Her |
|---|---|
| Source publication | Zhao, Ergang (2018) - First Photometric Investigation of the Neglected EW-type Binary System V502 Her |
| ADS link | 2018PASP..130d4201Z |
| Name in Source publication | V502 Her |
| Orbital period in days (P [d]) | 0.369276 |
| Mass ratio (q) | 0.31 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 39640080 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.369276 |
| Mass ratio (q) | 0.31 |
| Orbital inclination in degrees (i [o]) | 79.3 |
| Fillout (f) | 0.38 |
| Primary temperature in Kelvins (T1 [K]) | 6180 |
| Secondary temperature in Kelvins (T2 [K]) | 6143 |
| Primary polar radius in units of orbital separation (r1p) | 0.468 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2809 |
| Surface potential (Ω) | 2.42 |
| 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]) | 6180 |
| Secondary temperature in Kelvins (T2 [K]) | 6143 |
| 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]) | 0.369276 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.002765 |
| Cyclic period variation in years (Pc [y]) | 26.8 |
| Designation | Gaia DR3 4600953964604064640 |
|---|---|
| RA | 263:57:20.234678 |
| DEC | 32:20:54.467185 |
| l | 56.66533889043034 |
| b | 29.181236725899744 |
| G [mag] | 13.056758 |
| G_bp [mag] | 13.333603 |
| G_rp [mag] | 12.59835 |
| Parallax | 1.1942856826478268 |
| Distance [pc] | 775.0452 |
| Temperature [K] | 6152.512 |
| Surface gravity log(g) [cm/s2] | 4.1596 |
| Metallicity [Fe/H] | -0.0246 |
| Monochromatic extinction A0 [mag] | 0.0043 |
| Radius [R] | 1.31 |
| Luminosity [L] | 2.439 |
| Temperature [K] | 6178.78 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.291 |
| Metallicity [Fe/H] | -0.204 |
| Simbad link | V502 Her |
|---|---|
| J magnitude | 11.903 |
| H magnitude | 11.656 |
| K magnitude | 11.586 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 13.12 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.344 |
| Sloan_r magnitude | 13.048 |
| Sloan_i magnitude | |
| Sloan_z magnitude |