AB And
| Simbad link | AB And |
|---|---|
| Source publication | Li, K. (2014) - Period variation and four color light curves investigation of AB And |
| ADS link | 2014NewA...30...64L |
| Name in Source publication | AB And |
| Orbital period in days (P [d]) | 0.331891 |
| Mass ratio (q) | 0.56 |
| 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]) | 0.331891 |
| Mass ratio (q) | 0.56 |
| Orbital inclination in degrees (i [o]) | 83.2 |
| Fillout (f) | 0.25 |
| Primary temperature in Kelvins (T1 [K]) | 5020 |
| Secondary temperature in Kelvins (T2 [K]) | 5450 |
| Primary polar radius in units of orbital separation (r1p) | 0.4185 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3228 |
| Surface potential (Ω) | 2.906 |
| Orbital separation in solar radii (a [R]) | 2.37 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.15 |
| Secondary radius in solar units (R2 [R]) | 0.82 |
| Primary mass in solar units (M1 [M]) | 1.03 |
| Secondary mass in solar units (M2 [M]) | 0.58 |
| Primary temperature in kelvins (T1 [K]) | 5020 |
| Secondary temperature in Kelvins (T2 [K]) | 5450 |
| Primary luminosity in solar units (L1 [L]) | 0.77 |
| Secondary luminosity in solar units (L2 [L]) | 0.53 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 4.45 |
| Orbital period in days (P [d]) | 0.331891 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.012614 |
| Cyclic period variation in years (Pc [y]) | 98.3 |
| Designation | Gaia DR2 1916588203329221632 |
|---|---|
| RA | 347:53:03.3828 |
| DEC | 36:53:34.280196 |
| l | 101.6039455 |
| b | -21.80705938 |
| G magnitude | 9.695267 |
| G_bp magnitude | 10.176242 |
| G_rp magnitude | 9.092649 |
| Radial velocity [km/s] | |
| Parallax | 11.70269841 |
| Distance [pc] | 85.450378 |
| Temperature [K] | 5029.5 |
| Radius [R] | 1.1704795 |
| Luminosity [L] | 0.7898081 |
| Simbad link | AB And |
|---|---|
| J magnitude | 8.172 |
| H magnitude | 7.805 |
| K magnitude | 7.665 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 10.62 |
| Johnson_V magnitude | 9.5 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 9.6953 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |