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

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