Planet tau Boo b

Name tau Boo b
Discovered in 1996
M × sin i 5.9 ( -0.2 +0.35 ) MJ
Semi-major axis 0.046 AU
Orbital period 3.3135 (± 0.0014) day
Eccentricity 0.023 (± 0.015)
ω 188.0 (± 0.0) deg
Tperi
Radius
Inclination 45.0 ( -4.0 +3.0 ) deg;
Update July 5, 2012
Detection method detected by radial velocity
Molecules detectedH2O
Primary transit
Secondary transit
Anomaly angle
Time Vr=0 1.27 (± 0.03) JD
Calculated temperature
Measured temperature
Hottest point longitute
Surface gravity log(g/gH)
Alternate Names

Remarks

  1. 10 Apr. 09: RV measurements with amateur spectrograph (Christian Buil).
  2. 10 sep. 03: New upper limit of 0.39 for the reflection albedo (Leigh et al 2003)
  3. 20 apr. 03: Planet in wide (a ~ 240 AU) binary system (Eggenberger et al 2003)
  4. 22 spt. 2000: the planet not so bright as previously announced (Cameron et al).
  5. Exhibits coherent variations in residual velocities consistent with additional companion.
    24 Jul. 00: the source of RV variation remains speculative, depending on completion of one full orbit (Fischer et al 2000).
  6. `Probable detection' of the reflected star-light by the planet (Cameron et. al, 1999). The albedo is claimed to be detected only from 456 to 524 nm.
  7. The star has a companion ( GJ 527B) about 240 AU away.

Other web-pages

Star

Name tau Boo
Distance 15.6 (± 0.05) pc
Spectral type F7 V
Apparent magnitude V 4.5
Mass 1.3 MSun
Age 2.52 Gyr
Effective temperature 6309.0 K
Radius 1.331 (± 0.027) RSun
Metallicity [Fe/H] 0.28
RA2000 13:47:17.0
Dec2000 +17:27:22
Alternate Names
Planetary system 1 planet

More data


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