Planet HD 89744 b

Name HD 89744 b
Planet Status Confirmed
Discovered in 2000
Mass 8.9 ( -1.0 +1.9 ) MJ
Mass*sin(i) 7.2 MJ
Semi-Major Axis 0.88 AU
Orbital Period 256.0 (± 0.7) day
Eccentricity 0.7 (± 0.02)
ω 195.0 (± 3.0) deg
Tperi
Radius
Inclination 54.0 ( -12.0 +12.0 ) deg
Update 2013-07-04
Detection Method Radial Velocity
Mass Detection Method
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0 964.0 (± 2.0) JD
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HD 89744
Name HD 89744
Distance 40.0 pc
Spectral type F7 V
Apparent magnitude V 5.74
Mass 1.4 (± 0.09) MSun
Age 2.04 Gyr
Effective temperature 6196.0 (± 43.0) K
Radius 2.14 (± 0.1) RSun
Metallicity [Fe/H] 0.18
Detected Disc
Magnetic Field
RA2000 10:22:10.0
Dec2000 +41:13:46
Alternate Names
Planetary system
2 planets

Observability Predictor

Remarks

19 Oct 2010: Simpson et al. (2010) infer the orbital inclination from the parent star rotation, deriving a planet mass 11+4-3MJ; but the coplanarity of stellar equator with planet orbits is generally not demonstrated.
19 Apr. 04: Astrometric confirmation of a wide low-mass companion (Mugrauer et al 2004)
22 Nov. 00: From astrometry Han et al (2000) claim a preliminary mass of 97 MJ and inclination of 175.8o

Other web-pages


Related publications

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in "12th Hel.A.S Conference", Thessaloniki
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