BO CVn
| Simbad link | BO CVn |
|---|---|
| Source publication | Zola, S. (2012) - Spectroscopic and photometric study of the contact binary BO CVn |
| ADS link | 2012NewA...17..673Z |
| Name in Source publication | BO CVn |
| Orbital period in days (P [d]) | 0.517463 |
| Mass ratio (q) | 0.34 |
| 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]) | 0.517463 |
| Mass ratio (q) | 0.34 |
| Orbital inclination in degrees (i [o]) | 89.4 |
| Fillout (f) | 0.83 |
| Primary temperature in Kelvins (T1 [K]) | 6980 |
| Secondary temperature in Kelvins (T2 [K]) | 7191 |
| Primary polar radius in units of orbital separation (r1p) | 0.4823 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3106 |
| Surface potential (Ω) | 2.3796 |
| Orbital separation in solar radii (a [R]) | 3.14 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.62 |
| Secondary radius in solar units (R2 [R]) | 1 |
| Primary mass in solar units (M1 [M]) | 1.16 |
| Secondary mass in solar units (M2 [M]) | 0.39 |
| Primary temperature in kelvins (T1 [K]) | 6980 |
| Secondary temperature in Kelvins (T2 [K]) | 7191 |
| Primary luminosity in solar units (L1 [L]) | 5.53 |
| Secondary luminosity in solar units (L2 [L]) | 2.38 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 1.61 |
| Orbital period in days (P [d]) | 0.517463 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.015811 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 1498613634031775232 |
|---|---|
| RA | 209:47:02.53428 |
| DEC | 40:49:09.234228 |
| l | 81.72928059 |
| b | 70.46123602 |
| G magnitude | 9.693856 |
| G_bp magnitude | 9.889902 |
| G_rp magnitude | 9.417757 |
| Radial velocity [km/s] | |
| Parallax | 3.481198847 |
| Distance [pc] | 287.257363 |
| Temperature [K] | 7013.6665 |
| Radius [R] | 1.9165334 |
| Luminosity [L] | 8.007703 |
| Simbad link | BO CVn |
|---|---|
| J magnitude | 9.294 |
| H magnitude | 9.156 |
| K magnitude | 9.099 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 9.99 |
| Johnson_V magnitude | 9.66 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 9.6939 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |