FI Boo
| Simbad link | FI Boo |
|---|---|
| Source publication | Christopoulou, P. -E. (2013) - An Extensive Analysis of the Triple W UMa Type Binary FI Boo |
| ADS link | 2013AJ....146..157C |
| Name in Source publication | FI Boo |
| Orbital period in days (P [d]) | 0.389998 |
| Mass ratio (q) | 0.37 |
| Mass ratio determination | Spectroscopic |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | PHOEBE |
|---|---|
| Orbital period in days (P [d]) | 0.389998 |
| Mass ratio (q) | 0.37 |
| Orbital inclination in degrees (i [o]) | 38 |
| Fillout (f) | 0.49 |
| Primary temperature in Kelvins (T1 [K]) | 5420 |
| Secondary temperature in Kelvins (T2 [K]) | 5746 |
| Primary polar radius in units of orbital separation (r1p) | 0.4604 |
| Secondary polar radius in units of orbital separation (r2p) | 0.3009 |
| Surface potential (Ω) | 2.5112 |
| Orbital separation in solar radii (a [R]) | 2.55 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.28 |
| Secondary radius in solar units (R2 [R]) | 0.85 |
| Primary mass in solar units (M1 [M]) | 1.07 |
| Secondary mass in solar units (M2 [M]) | 0.4 |
| Primary temperature in kelvins (T1 [K]) | 5420 |
| Secondary temperature in Kelvins (T2 [K]) | 5746 |
| Primary luminosity in solar units (L1 [L]) | 1.27 |
| Secondary luminosity in solar units (L2 [L]) | 0.71 |
| Distance in parsecs (d [pc]) | 5.83 |
| Age in gigayears (τ [gyr]) | 4.1 |
| Orbital period in days (P [d]) | 0.389998 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.014267 |
| Cyclic period variation in years (Pc [y]) |
| Designation | Gaia DR2 1595631104093744256 |
|---|---|
| RA | 230:31:28.53984 |
| DEC | 51:10:56.006832 |
| l | 83.58345122 |
| b | 52.8347307 |
| G magnitude | 9.375563 |
| G_bp magnitude | 9.757995 |
| G_rp magnitude | 8.87249 |
| Radial velocity [km/s] | -37.99276256 |
| Parallax | 8.272617317 |
| Distance [pc] | 120.880728 |
| Temperature [K] | 5596.5 |
| Radius [R] | 1.4889036 |
| Luminosity [L] | 1.9592685 |
| Orbital period [d] | 0.3899978 |
|---|---|
| Temperature [K] | 5722.12 |
| Surface gravity (log(g)) | 4.279 |
| Metallicity ([Fe/H]) | 0.14 |
| Simbad link | FI Boo |
|---|---|
| J magnitude | 8.209 |
| H magnitude | 7.902 |
| K magnitude | 7.871 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 10.16 |
| Johnson_V magnitude | 9.49 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 9.3756 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |