HD 171028 b

HD 171028 b is a >1.83 MJ exoplanet orbiting very eccentrically around HD 171028. The period is 1.47 years and semi-major axis of 1.29 AU. The Geneva Extrasolar Planet Search team announced the discovery of planet on July 13, 2007.

HD 171028 b
Discovery
Discovered bySantos et al.
Discovery dateJuly 13, 2007
Doppler spectroscopy
Orbital characteristics
Apastron2.08 AU (311,000,000 km)
Periastron0.50 AU (75,000,000 km)
1.29 AU (193,000,000 km)
Eccentricity0.61
538±2 d
1.47 y
26.2
2453648.92±1.89
305±1
Semi-amplitude?
StarHD 171028
Physical characteristics
Mass>1.83 MJ

    References

      • Santos; Mayor, M.; Bouchy, F.; Pepe, F.; Queloz, D.; Udry, S. (2007). "The HARPS search for southern extra-solar planets XII. A giant planet orbiting the metal-poor star HD 171028" (abstract). Astronomy and Astrophysics. 474 (2): 647–651. arXiv:0708.0954. Bibcode:2007A&A...474..647S. doi:10.1051/0004-6361:20078129. web preprint


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