AP Aur
| Simbad link | AP Aur |
|---|---|
| Source publication | Li, Lifang (2001) - Photometric Study of An A-Type Contact Binary: AP Aurigae |
| ADS link | 2001AJ....121.1091L |
| Name in Source publication | AP Aur |
| Orbital period in days (P [d]) | 0.569369 |
| Mass ratio (q) | 0.25 |
| Mass ratio determination | Photometric |
| Temperature determination | Unknown |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.569369 |
| Mass ratio (q) | 0.25 |
| Orbital inclination in degrees (i [o]) | 75.9 |
| Fillout (f) | 0.65 |
| Primary temperature in Kelvins (T1 [K]) | 9016 |
| Secondary temperature in Kelvins (T2 [K]) | 8703 |
| Primary polar radius in units of orbital separation (r1p) | 0.4944 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2728 |
| Surface potential (Ω) | 2.243 |
| Orbital separation in solar radii (a [R]) | |
|---|---|
| Primary radius in solar units (R1 [R]) | |
| Secondary radius in solar units (R2 [R]) | |
| Primary mass in solar units (M1 [M]) | |
| Secondary mass in solar units (M2 [M]) | |
| Primary temperature in kelvins (T1 [K]) | 9016 |
| Secondary temperature in Kelvins (T2 [K]) | 8703 |
| 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]) | 0.569369 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.070299 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 897284436970354944 |
|---|---|
| RA | 110:57:34.28208 |
| DEC | 36:26:52.55142 |
| l | 182.0089225 |
| b | 21.82473171 |
| G [mag] | 11.027354 |
| G_bp [mag] | 11.171755 |
| G_rp [mag] | 10.771648 |
| Parallax | 1.647348461 |
| Distance [pc] | 1.76E-09 |
| Temperature [K] | 7738 |
| Surface gravity log(g) [cm/s2] | |
| Metallicity [Fe/H] | |
| Monochromatic extinction A0 [mag] | |
| Radius [R] | 1.8285475 |
| Luminosity [L] | 10.799958 |
| Simbad link | AP Aur |
|---|---|
| J magnitude | 10.285 |
| H magnitude | 10.203 |
| K magnitude | 10.127 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.33 |
| Johnson_V magnitude | 11 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.0274 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |