VW Boo
| Simbad link | VW Boo |
|---|---|
| Source publication | Liu, L. (2011) - Period Changes and Four-color Light Curves of Active Contact Binary VW Bootis |
| ADS link | 2011AJ....141..147L |
| Name in Source publication | VW Boo |
| Orbital period in days (P [d]) | 0.342318 |
| Mass ratio (q) | 0.43 |
| 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]) | 0.342318 |
| Mass ratio (q) | 0.43 |
| Orbital inclination in degrees (i [o]) | 73.8 |
| Fillout (f) | 0.16 |
| Primary temperature in Kelvins (T1 [K]) | 5198 |
| Secondary temperature in Kelvins (T2 [K]) | 5560 |
| Primary polar radius in units of orbital separation (r1p) | 0.4345 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2954 |
| Surface potential (Ω) | 2.6942 |
| Orbital separation in solar radii (a [R]) | 2.38 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.11 |
| Secondary radius in solar units (R2 [R]) | 0.76 |
| Primary mass in solar units (M1 [M]) | 1.08 |
| Secondary mass in solar units (M2 [M]) | 0.46 |
| Primary temperature in kelvins (T1 [K]) | 5198 |
| Secondary temperature in Kelvins (T2 [K]) | 5560 |
| Primary luminosity in solar units (L1 [L]) | 0.81 |
| Secondary luminosity in solar units (L2 [L]) | 0.49 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 6.02 |
| Orbital period in days (P [d]) | 0.342318 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.012563 |
| Cyclic period variation in years (Pc [y]) | 25.96 |
| Designation | Gaia DR2 1226714132289140352 |
|---|---|
| RA | 214:21:30.56148 |
| DEC | 12:34:02.680356 |
| l | 1.287644804 |
| b | 65.15434288 |
| G magnitude | 10.547513 |
| G_bp magnitude | 10.979806 |
| G_rp magnitude | 9.959692 |
| Radial velocity [km/s] | |
| Parallax | 6.633343197 |
| Distance [pc] | 150.753545 |
| Temperature [K] | 5210.5 |
| Radius [R] | 1.2780917 |
| Luminosity [L] | 1.0847667 |
| Simbad link | VW Boo |
|---|---|
| J magnitude | 9.155 |
| H magnitude | 8.781 |
| K magnitude | 8.688 |
| Johnson_U magnitude | 9.777 |
| Johnson_B magnitude | 11.33 |
| Johnson_V magnitude | 10.55 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 10.5475 |
| Sloan_r magnitude | |
| Sloan_i magnitude | 9.777 |
| Sloan_z magnitude |