HR Boo
| Simbad link | HR Boo |
|---|---|
| Source publication | Samec, Ronald G. (2015) - First Precision Light Curve Analysis of the Neglected Extreme Mass Ratio Solar-type Binary HR Bootis |
| ADS link | 2015AJ....149..146S |
| Name in Source publication | HR Boo |
| Orbital period in days (P [d]) | 0.315968 |
| Mass ratio (q) | 0.24 |
| Mass ratio determination | Photometric |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.315968 |
| Mass ratio (q) | 0.24 |
| Orbital inclination in degrees (i [o]) | 84.9 |
| Fillout (f) | 0.31 |
| Primary temperature in Kelvins (T1 [K]) | 5743 |
| Secondary temperature in Kelvins (T2 [K]) | 5750 |
| Primary polar radius in units of orbital separation (r1p) | 0.4826 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2583 |
| Surface potential (Ω) | 2.2923 |
| 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]) | 5743 |
| Secondary temperature in Kelvins (T2 [K]) | 5750 |
| Primary luminosity in solar units (L1 [L]) | |
| Secondary luminosity in solar units (L2 [L]) | |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.315968 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.014774 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 1238475573811713408 |
|---|---|
| RA | 222:08:15.12888 |
| DEC | 21:44:00.65544 |
| l | 27.91143161 |
| b | 62.86848117 |
| G magnitude | 13.324719 |
| G_bp magnitude | 13.670879 |
| G_rp magnitude | 12.811484 |
| Radial velocity [km/s] | |
| Parallax | 1.526150025 |
| Distance [pc] | 655.243576 |
| Temperature [K] | 5757 |
| Radius [R] | 1.2300482 |
| Luminosity [L] | 1.4973519 |
| Orbital period [d] | 0.315967 |
|---|---|
| Temperature [K] | 5754.49 |
| Surface gravity (log(g)) | 4.168 |
| Metallicity ([Fe/H]) | -0.372 |
| Simbad link | HR Boo |
|---|---|
| J magnitude | 12.445 |
| H magnitude | 12.07 |
| K magnitude | 12.013 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 13.32 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 13.3247 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |