FP Boo
| Simbad link | FP Boo |
|---|---|
| Source publication | Gazeas, K. D. (2006) - Physical Parameters of Components in Close Binary Systems: VI |
| ADS link | 2006AcA....56..127G |
| Name in Source publication | FP Boo |
| Orbital period in days (P [d]) | 0.640482 |
| Mass ratio (q) | 0.1 |
| 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]) | 0.640482 |
| Mass ratio (q) | 0.1 |
| Orbital inclination in degrees (i [o]) | 68.8 |
| Fillout (f) | 0.39 |
| Primary temperature in Kelvins (T1 [K]) | 6980 |
| Secondary temperature in Kelvins (T2 [K]) | 6456 |
| Primary polar radius in units of orbital separation (r1p) | 0.5442 |
| Secondary polar radius in units of orbital separation (r2p) | 0.1964 |
| Surface potential (Ω) | 1.922 |
| Orbital separation in solar radii (a [R]) | 3.78 |
|---|---|
| Primary radius in solar units (R1 [R]) | 2.31 |
| Secondary radius in solar units (R2 [R]) | 0.77 |
| Primary mass in solar units (M1 [M]) | 1.61 |
| Secondary mass in solar units (M2 [M]) | 0.15 |
| Primary temperature in kelvins (T1 [K]) | 6980 |
| Secondary temperature in Kelvins (T2 [K]) | 6456 |
| Primary luminosity in solar units (L1 [L]) | 11.19 |
| Secondary luminosity in solar units (L2 [L]) | 0.92 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 3.38 |
| Orbital period in days (P [d]) | 0.640482 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.055002 |
| Cyclic period variation in years (Pc [y]) | 24.32 |
| Period study | Ćetinkaya, Halil (2017) - Long-term orbital period behaviour of low mass ratio contact binaries GR Vir and FP Boo |
| ADS link | 2017AIPC.1815h0010C |
| Designation | Gaia DR2 1396430108588343936 |
|---|---|
| RA | 235:45:03.76488 |
| DEC | 43:15:55.617912 |
| l | 69.43024118 |
| b | 51.9367875 |
| G magnitude | 10.064765 |
| G_bp magnitude | 10.301184 |
| G_rp magnitude | 9.72422 |
| Radial velocity [km/s] | 7.855415096 |
| Parallax | 2.727790194 |
| Distance [pc] | 366.597109 |
| Temperature [K] | 6515 |
| Radius [R] | 2.385 |
| Luminosity [L] | 9.232709 |
| Simbad link | FP Boo |
|---|---|
| J magnitude | 9.241 |
| H magnitude | 9.08 |
| K magnitude | 9.034 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 10.53 |
| Johnson_V magnitude | 10.14 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 10.0648 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |