AH Tau
| Simbad link | AH Tau |
|---|---|
| Source publication | Xiang, Fu-Yuan (2015) - CCD Photometric Study and Period Investigation of AH Tauri |
| ADS link | 2015AJ....150...25X |
| Name in Source publication | AH Tau |
| Orbital period in days (P [d]) | 0.332672 |
| Mass ratio (q) | 0.51 |
| Mass ratio determination | Photometric |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.332672 |
| Mass ratio (q) | 0.51 |
| Orbital inclination in degrees (i [o]) | 83.5 |
| Fillout (f) | 0.08 |
| Primary temperature in Kelvins (T1 [K]) | 5660 |
| Secondary temperature in Kelvins (T2 [K]) | 5633 |
| Primary polar radius in units of orbital separation (r1p) | 0.4163 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3054 |
| Surface potential (Ω) | 2.874 |
| Orbital separation in solar radii (a [R]) | 2.35 |
|---|---|
| Primary radius in solar units (R1 [R]) | |
| Secondary radius in solar units (R2 [R]) | |
| Primary mass in solar units (M1 [M]) | 1.04 |
| Secondary mass in solar units (M2 [M]) | 0.53 |
| Primary temperature in kelvins (T1 [K]) | 5660 |
| Secondary temperature in Kelvins (T2 [K]) | 5633 |
| 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]) | 0.332672 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.015751 |
| Cyclic period variation in years (Pc [y]) | 54.62 |
| Designation | Gaia DR2 66847287606832768 |
|---|---|
| RA | 56:47:58.891524 |
| DEC | 25:06:58.517244 |
| l | 165.8773676 |
| b | -22.74995188 |
| G magnitude | 11.518443 |
| G_bp magnitude | 11.836395 |
| G_rp magnitude | 10.920129 |
| Radial velocity [km/s] | |
| Parallax | 4.282919121 |
| Distance [pc] | 233.485614 |
| Temperature [K] | 5504 |
| Radius [R] | 1.1131289 |
| Luminosity [L] | 1.0244702 |
| Simbad link | AH Tau |
|---|---|
| J magnitude | 10.279 |
| H magnitude | 9.917 |
| K magnitude | 9.899 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.59 |
| Johnson_V magnitude | 11.07 |
| Johnson_R magnitude | 11.09 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.5184 |
| Sloan_r magnitude | 11.09 |
| Sloan_i magnitude | |
| Sloan_z magnitude |