AG Vir
| Simbad link | AG Vir |
|---|---|
| Source publication | Pribulla, T. (2011) - O'Connell effect in early-type contact binaries: du Boo and AG Vir |
| ADS link | 2011AN....332..607P |
| Name in Source publication | AG Vir |
| Orbital period in days (P [d]) | 0.642651 |
| Mass ratio (q) | 0.34 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Unknown |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | ROCHE |
|---|---|
| Orbital period in days (P [d]) | 0.642651 |
| Mass ratio (q) | 0.34 |
| Orbital inclination in degrees (i [o]) | 84.4 |
| Fillout (f) | 0.17 |
| Primary temperature in Kelvins (T1 [K]) | 8150 |
| Secondary temperature in Kelvins (T2 [K]) | 6915 |
| Primary polar radius in units of orbital separation (r1p) | 0.4526 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2779 |
| Surface potential (Ω) | 2.52 |
| Orbital separation in solar radii (a [R]) | 4.48 |
|---|---|
| Primary radius in solar units (R1 [R]) | 2.18 |
| Secondary radius in solar units (R2 [R]) | 1.36 |
| Primary mass in solar units (M1 [M]) | 2.18 |
| Secondary mass in solar units (M2 [M]) | 0.74 |
| Primary temperature in kelvins (T1 [K]) | 8150 |
| Secondary temperature in Kelvins (T2 [K]) | 6915 |
| Primary luminosity in solar units (L1 [L]) | 19 |
| Secondary luminosity in solar units (L2 [L]) | 3.85 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 2.25 |
| Designation | Gaia DR2 3919939238568799616 |
|---|---|
| RA | 180:15:52.5168 |
| DEC | 13:00:29.722644 |
| l | 260.6039811 |
| b | 71.60799589 |
| G [mag] | 8.585399 |
| G_bp [mag] | 8.704134 |
| G_rp [mag] | 8.306601 |
| Parallax | 3.885801045 |
| Distance [pc] | 1.64E-09 |
| Temperature [K] | 7844 |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | 2.3327055 |
| Luminosity [L] | 18.559439 |
| Simbad link | AG Vir |
|---|---|
| J magnitude | 7.881 |
| H magnitude | 7.807 |
| K magnitude | 7.736 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 8.78 |
| Johnson_V magnitude | 8.52 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 8.5854 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |