HH Boo
| Simbad link | HH Boo |
|---|---|
| Source publication | Gürol, B. (2015) - Photometric study and absolute parameters of the short-period eclipsing binary HH Bootis |
| ADS link | 2015NewA...41...26G |
| Name in Source publication | HH Boo |
| Orbital period in days (P [d]) | 0.318666 |
| Mass ratio (q) | 0.59 |
| 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]) | 0.318666 |
| Mass ratio (q) | 0.59 |
| Orbital inclination in degrees (i [o]) | 69.4 |
| Fillout (f) | 0.1 |
| Primary temperature in Kelvins (T1 [K]) | 5680 |
| Secondary temperature in Kelvins (T2 [K]) | 5386 |
| Primary polar radius in units of orbital separation (r1p) | 0.4066 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3183 |
| Surface potential (Ω) | 3.0034 |
| Orbital separation in solar radii (a [R]) | 2.34 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1 |
| Secondary radius in solar units (R2 [R]) | 0.78 |
| Primary mass in solar units (M1 [M]) | 1.07 |
| Secondary mass in solar units (M2 [M]) | 0.63 |
| Primary temperature in kelvins (T1 [K]) | 5680 |
| Secondary temperature in Kelvins (T2 [K]) | 5386 |
| Primary luminosity in solar units (L1 [L]) | 0.75 |
| Secondary luminosity in solar units (L2 [L]) | 0.57 |
| Distance in parsecs (d [pc]) | 190.33 |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.318666 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.000832 |
| Cyclic period variation in years (Pc [y]) | 7.39 |
| Designation | Gaia DR2 1506787678352110848 |
|---|---|
| RA | 215:26:00.321 |
| DEC | 46:41:59.328924 |
| l | 86.67344937 |
| b | 63.567588 |
| G magnitude | 11.020028 |
| G_bp magnitude | 11.393086 |
| G_rp magnitude | 10.475496 |
| Radial velocity [km/s] | |
| Parallax | 5.015950364 |
| Distance [pc] | 199.364014 |
| Temperature [K] | 5424 |
| Radius [R] | 1.2365428 |
| Luminosity [L] | 1.192317 |
| Simbad link | HH Boo |
|---|---|
| J magnitude | 10.069 |
| H magnitude | 9.688 |
| K magnitude | 9.578 |
| Johnson_U magnitude | 10.596 |
| Johnson_B magnitude | 11.8 |
| Johnson_V magnitude | 11.021 |
| Johnson_R magnitude | 10.84 |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 11.361 |
| Sloan_r magnitude | 10.84 |
| Sloan_i magnitude | 10.596 |
| Sloan_z magnitude |