V829 Her
| Simbad link | V829 Her |
|---|---|
| Source publication | Erdem, A. (2006) - Photometric analysis of the contact binary star V829 Hercules using light curves on three consecutive years |
| ADS link | 2006NewA...12..192E |
| Name in Source publication | V829 Her |
| Orbital period in days (P [d]) | 0.358151 |
| Mass ratio (q) | 0.43 |
| 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]) | 0.358151 |
| Mass ratio (q) | 0.43 |
| Orbital inclination in degrees (i [o]) | 57.2 |
| Fillout (f) | 0.2 |
| Primary temperature in Kelvins (T1 [K]) | 6194 |
| Secondary temperature in Kelvins (T2 [K]) | 6300 |
| Primary polar radius in units of orbital separation (r1p) | 0.4353 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2988 |
| Surface potential (Ω) | 2.6957 |
| Orbital separation in solar radii (a [R]) | 2.61 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.22 |
| Secondary radius in solar units (R2 [R]) | 0.84 |
| Primary mass in solar units (M1 [M]) | 1.3 |
| Secondary mass in solar units (M2 [M]) | 0.57 |
| Primary temperature in kelvins (T1 [K]) | 6194 |
| Secondary temperature in Kelvins (T2 [K]) | 6300 |
| Primary luminosity in solar units (L1 [L]) | 1.95 |
| Secondary luminosity in solar units (L2 [L]) | 0.99 |
| Distance in parsecs (d [pc]) | 198 |
| Age in gigayears (τ [gyr]) | 4.38 |
| Orbital period in days (P [d]) | 0.358151 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.007172 |
| Cyclic period variation in years (Pc [y]) | 12.61 |
| Designation | Gaia DR2 1338980488598763520 |
|---|---|
| RA | 253:56:57.71004 |
| DEC | 35:10:58.76994 |
| l | 57.86664647 |
| b | 37.90731345 |
| G magnitude | 12.952349 |
| G_bp magnitude | |
| G_rp magnitude | |
| Radial velocity [km/s] | |
| Parallax | 5.363193881 |
| Distance [pc] | 186.45606 |
| Temperature [K] | |
| Radius [R] | |
| Luminosity [L] |
| Simbad link | V829 Her |
|---|---|
| J magnitude | 8.928 |
| H magnitude | 8.593 |
| K magnitude | 8.517 |
| Johnson_U magnitude | 9.93 |
| Johnson_B magnitude | 10.96 |
| Johnson_V magnitude | 10.33 |
| Johnson_R magnitude | 10.17 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 10.69 |
| Sloan_r magnitude | 10.17 |
| Sloan_i magnitude | 9.93 |
| Sloan_z magnitude |