BI CVn
| Simbad link | BI CVn |
|---|---|
| Source publication | Nelson, R. H. (2014) - BI CVn - A spotted, overcontact, type-W eclipsing binary |
| ADS link | 2014NewA...29...57N |
| Name in Source publication | BI CVn |
| Orbital period in days (P [d]) | 0.38421 |
| Mass ratio (q) | 0.41 |
| 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]) | 0.38421 |
| Mass ratio (q) | 0.41 |
| Orbital inclination in degrees (i [o]) | 71 |
| Fillout (f) | 0.31 |
| Primary temperature in Kelvins (T1 [K]) | 6093 |
| Secondary temperature in Kelvins (T2 [K]) | 6170 |
| Primary polar radius in units of orbital separation (r1p) | 0.4446 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3002 |
| Surface potential (Ω) | 2.6263 |
| Orbital separation in solar radii (a [R]) | 2.92 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.4 |
| Secondary radius in solar units (R2 [R]) | 0.96 |
| Primary mass in solar units (M1 [M]) | 1.61 |
| Secondary mass in solar units (M2 [M]) | 0.66 |
| Primary temperature in kelvins (T1 [K]) | 6093 |
| Secondary temperature in Kelvins (T2 [K]) | 6170 |
| Primary luminosity in solar units (L1 [L]) | 2.44 |
| Secondary luminosity in solar units (L2 [L]) | 1.19 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 3.66 |
| Orbital period in days (P [d]) | 0.38421 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 1516514611046233344 |
|---|---|
| RA | 195:49:06.04344 |
| DEC | 36:37:00.399756 |
| l | 108.8640097 |
| b | 80.18600843 |
| G magnitude | 10.264498 |
| G_bp magnitude | 10.589326 |
| G_rp magnitude | 9.818165 |
| Radial velocity [km/s] | |
| Parallax | 4.469731303 |
| Distance [pc] | 223.727095 |
| Temperature [K] | 5955.25 |
| Radius [R] | 1.5981439 |
| Luminosity [L] | 2.8941865 |
| Simbad link | BI CVn |
|---|---|
| J magnitude | 9.192 |
| H magnitude | 8.919 |
| K magnitude | 8.837 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 10.99 |
| Johnson_V magnitude | 10.31 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 10.2645 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |