AL Lep
| Simbad link | AL Lep |
|---|---|
| Source publication | Wadhwa, Surjit S. (2005) - Photometric Analysis of Southern Contact Binary Stars II: NW Aps, BV 996 and BV 435 |
| ADS link | 2005Ap&SS.300..329W |
| Name in Source publication | BV 996 |
| Orbital period in days (P [d]) | 0.44864 |
| Mass ratio (q) | 0.12 |
| 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]) | 0.44864 |
| Mass ratio (q) | 0.12 |
| Orbital inclination in degrees (i [o]) | 73.8 |
| Fillout (f) | 0.63 |
| Primary temperature in Kelvins (T1 [K]) | 6008 |
| Secondary temperature in Kelvins (T2 [K]) | 5907 |
| Primary polar radius in units of orbital separation (r1p) | 0.5364 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2171 |
| Surface potential (Ω) | 1.97 |
| 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]) | 6008 |
| Secondary temperature in Kelvins (T2 [K]) | 5907 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Designation | Gaia DR2 2975096190646552448 |
|---|---|
| RA | 76:34:24.721572 |
| DEC | -21:52:06.863592 |
| l | 220.8254737 |
| b | -31.80238599 |
| G magnitude | 9.431379 |
| G_bp magnitude | 9.68951 |
| G_rp magnitude | 9.049795 |
| Radial velocity [km/s] | |
| Parallax | 4.997808689 |
| Distance [pc] | 200.087691 |
| Temperature [K] | 6484.4175 |
| Radius [R] | 1.7591934 |
| Luminosity [L] | 4.9295325 |
| Simbad link | AL Lep |
|---|---|
| J magnitude | 8.53 |
| H magnitude | 8.339 |
| K magnitude | 8.327 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 10.027 |
| Johnson_V magnitude | 9.49 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 9.4314 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |