CK Boo
| Simbad link | CK Boo |
|---|---|
| Source publication | Deb, Sukanta (2011) - Physical parameters of 62 eclipsing binary stars using the All Sky Automated Survey-3 data - I |
| ADS link | 2011MNRAS.412.1787D |
| Name in Source publication | CK Boo |
| Orbital period in days (P [d]) | 0.355152 |
| Mass ratio (q) | 0.11 |
| Mass ratio determination | Spectroscopic |
| Type | A |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.355152 |
| Mass ratio (q) | 0.11 |
| Orbital inclination in degrees (i [o]) | 60.9 |
| Fillout (f) | 0.95 |
| Primary temperature in Kelvins (T1 [K]) | 6250 |
| Secondary temperature in Kelvins (T2 [K]) | 6234 |
| Primary polar radius in units of orbital separation (r1p) | 0.5475 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2207 |
| Surface potential (Ω) | 1.924 |
| Orbital separation in solar radii (a [R]) | 2.55 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.53 |
| Secondary radius in solar units (R2 [R]) | 0.65 |
| Primary mass in solar units (M1 [M]) | 1.58 |
| Secondary mass in solar units (M2 [M]) | 0.18 |
| Primary temperature in kelvins (T1 [K]) | 6250 |
| Secondary temperature in Kelvins (T2 [K]) | 6234 |
| Primary luminosity in solar units (L1 [L]) | 3.21 |
| Secondary luminosity in solar units (L2 [L]) | 0.57 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 4.72 |
| Orbital period in days (P [d]) | 0.355152 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.024365 |
| Cyclic period variation in years (Pc [y]) | 24.14 |
| Period study | Pop, Alexandru (2012) - Biperiodic orbital period modulation of the W UMa binary system CK Bootis |
| ADS link | 2012NewA...17..667P |
| Designation | Gaia DR2 1176145805821258368 |
|---|---|
| RA | 218:45:57.48372 |
| DEC | 9:06:47.97823 |
| l | 1.464253779 |
| b | 59.61754133 |
| G magnitude | 8.98271 |
| G_bp magnitude | 9.281981 |
| G_rp magnitude | 8.551112 |
| Radial velocity [km/s] | |
| Parallax | 8.178161226 |
| Distance [pc] | 122.276875 |
| Temperature [K] | 6105.5 |
| Radius [R] | 1.4955664 |
| Luminosity [L] | 2.8002126 |
| Simbad link | CK Boo |
|---|---|
| J magnitude | 7.944 |
| H magnitude | 7.704 |
| K magnitude | 7.649 |
| Johnson_U magnitude | 8.414 |
| Johnson_B magnitude | 9.61 |
| Johnson_V magnitude | 9.029 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 8.9827 |
| Sloan_r magnitude | |
| Sloan_i magnitude | 8.414 |
| Sloan_z magnitude |