BG Vul
| Simbad link | BG Vul |
|---|---|
| Source publication | Tanrıver, Mehmet (2014) - The first photometric solution and period variation of BG Vul binary star |
| ADS link | 2014NewA...28...79T |
| Name in Source publication | BG Vul |
| Orbital period in days (P [d]) | 0.403236 |
| Mass ratio (q) | 0.88 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.403236 |
| Mass ratio (q) | 0.88 |
| Orbital inclination in degrees (i [o]) | 74.5 |
| Fillout (f) | 0.45 |
| Primary temperature in Kelvins (T1 [K]) | 5868 |
| Secondary temperature in Kelvins (T2 [K]) | 5520 |
| Primary polar radius in units of orbital separation (r1p) | 0.3979 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3769 |
| Surface potential (Ω) | 3.3306 |
| Orbital separation in solar radii (a [R]) | 2.85 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.23 |
| Secondary radius in solar units (R2 [R]) | 1.17 |
| Primary mass in solar units (M1 [M]) | 1.01 |
| Secondary mass in solar units (M2 [M]) | 0.89 |
| Primary temperature in kelvins (T1 [K]) | 5868 |
| Secondary temperature in Kelvins (T2 [K]) | 5520 |
| Primary luminosity in solar units (L1 [L]) | 1.63 |
| Secondary luminosity in solar units (L2 [L]) | 1.15 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Designation | Gaia DR2 1791530536763486976 |
|---|---|
| RA | 319:51:06.70104 |
| DEC | 22:02:41.474292 |
| l | 71.40694203 |
| b | -18.97872206 |
| G [mag] | 12.54532 |
| G_bp [mag] | 12.925619 |
| G_rp [mag] | 12.0199 |
| Parallax | 2.000484362 |
| Distance [pc] | 1.75E-09 |
| Temperature [K] | 5478.3335 |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | 1.5011008 |
| Luminosity [L] | 1.828556 |
| Temperature [K] | 5961.79 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.024 |
| Metallicity [Fe/H] | -0.215 |
| Simbad link | BG Vul |
|---|---|
| J magnitude | 11.13 |
| H magnitude | 10.829 |
| K magnitude | 10.779 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 12.403 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.5453 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |