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HD 149026 b

HD 149026 b
Planet luar suria Senarai

Size comparison of HD 149026 b with Neptune and Jupiter.
Bintang induk
Bintang HD 149026
Buruj Hercules
Jarak hamal (α) 16j 30m 29.619s
Keserongan (δ) +38° 20′ 50.31″
Jarak257 ly
(78.9 ± 6.6 pc)
Jenis spektrum G0IV
Unsur orbit
Paksi semimajor(a) 0.042 AU
Kesipian (e) 0
Tempoh orbit(P) 2.8758882 ± 0.0000061 h
Masa periastron (T0) 2,453,530.751 JD
Semiamplitud (K) 43.2 ± 2.6 m/s
Ciri fizikal
Jisim(m)0.36 ± 0.03 MJ
Jejari(r)0.725 ± 0.03 RJ
Ketumpatan(ρ)1252 kg m-3
Suhu (T) 2300 ± 200 K
Maklumat penemuan
Tarikh penemuan 1 July 2005
Penemu B. Sato,
D. Fischer,
G. Henry et al.
Kaedah pengesanan Radial velocity
Tempat penemuan W. M. Keck Observatory
Status penemuan Confirmed
Rujukan pangkalan data
Extrasolar Planets
Encyclopaedia
data
SIMBADdata

HD 149026 b adalah planet luar suria terletak kira-kira 257 tahun cahaya dalam buruj Hercules.


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