BU Vel
| Simbad link | BU Vel |
|---|---|
| Source publication | Twigg, L. W. (1979) - Analysis of W UMa systems. I. The A-type systems. |
| ADS link | 1979MNRAS.189..907T |
| Name in Source publication | BU Vel |
| Orbital period in days (P [d]) | 0.605691 |
| Mass ratio (q) | 0.25 |
| 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]) | 0.605691 |
| Mass ratio (q) | 0.25 |
| Orbital inclination in degrees (i [o]) | 84.9 |
| Fillout (f) | 0.61 |
| Primary temperature in Kelvins (T1 [K]) | 7500 |
| Secondary temperature in Kelvins (T2 [K]) | 7500 |
| Primary polar radius in units of orbital separation (r1p) | 0.4918 |
| Secondary polar radius in units of orbital separation (r2p) | 0.273 |
| Surface potential (Ω) | 2.2587 |
| 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]) | 7500 |
| Secondary temperature in Kelvins (T2 [K]) | 7500 |
| 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 5523378077819118080 |
|---|---|
| RA | 130:01:34.09752 |
| DEC | -43:10:16.670748 |
| l | 262.1992755 |
| b | -0.685746815 |
| G magnitude | 10.635113 |
| G_bp magnitude | 10.803755 |
| G_rp magnitude | 10.384793 |
| Radial velocity [km/s] | |
| Parallax | 2.076336587 |
| Distance [pc] | 481.617483 |
| Temperature [K] | 7283 |
| Radius [R] | 1.9386417 |
| Luminosity [L] | 9.526449 |
| Simbad link | BU Vel |
|---|---|
| J magnitude | 10.034 |
| H magnitude | 9.91 |
| K magnitude | 9.845 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 11.08 |
| Johnson_V magnitude | 10.78 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 10.6351 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |