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HD 190647 b

Coordinates: Sky map 20h 07m 19.6697s, −35° 32′ 19.079″
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HD 190647 b
Discovery
Discovered byDominique Naef et al.[1]
Discovery siteChile
Discovery dateMarch 5, 2007
HARPS
Orbital characteristics
Apastron2.44 AU (365,000,000 km)
Periastron1.70 AU (254,000,000 km)
2.07 ± 0.06 AU (309,700,000 ± 9,000,000 km)
Eccentricity0.18 ± 0.02
1038.1 ± 5.1 d
2.8421 y
21.8
2,453,868 ± 25
232.5 ± 9.6
Semi-amplitude36.4 ± 1.2
StarHD 190647
Physical characteristics
Mass>1.9 MJ

HD 190647 b is >1.9 MJ planet orbiting the star HD 190647 at 309.7 gigameters or 10.04 μpc away from the star, taking 89.69 megaseconds to orbit the star with average velocity of 21.8 km/s. The orbital eccentricity is 18%. Dominique Naef discovered this planet in early 2007 by using HARPS spectrograph located in Chile.[1]

See also

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References

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  1. ^ a b Naef, D.; et al. (2007). "The HARPS search for southern extra-solar planets IX. Exoplanets orbiting HD 100777, HD 190647, and HD 221287". Astronomy and Astrophysics. 470 (2): 721–726. arXiv:0704.0917. Bibcode:2007A&A...470..721N. doi:10.1051/0004-6361:20077361.
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