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HD 89744 b

From Wikipedia, the free encyclopedia

HD 89744 b
Discovery[1]
Discovered byKorzennik et al.
Discovery siteWhipple Observatory
Discovery date2000
Doppler spectroscopy
Orbital characteristics[2]
0.917±0.009 AU
Eccentricity0.677±0.003
256.78±0.02 d
193.7±0.4 º
Semi-amplitude269.66±1.45 m/s
StarHD 89744
Physical characteristics[2]
Mass≥8.35±0.18 MJ

HD 89744 b is an eccentric Jupiter extrasolar planet orbiting the star HD 89744.[1]

In a simulation of a 10 million year span, this planet swept away all test particles "except for a narrow region near the 8:3 resonance". There can be no planets in this star's habitable zone. Observation has ruled out any planet over 0.7 Jupiter mass within a year period.[3]

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Transcription

See also

References

  1. ^ a b Korzennik, Sylvain G.; et al. (2000). "A High-Eccentricity Low-Mass Companion to HD 89744". The Astrophysical Journal Letters. 533 (2): L147–L150. arXiv:astro-ph/0003045. Bibcode:2000ApJ...533L.147K. doi:10.1086/312611. PMID 10770711.
  2. ^ a b Wittenmyer, Robert A.; et al. (2019). "Truly eccentric – I. Revisiting eight single-eccentric planetary systems". Monthly Notices of the Royal Astronomical Society. 484 (4): 5859–5867. arXiv:1901.08471. Bibcode:2019MNRAS.484.5859W. doi:10.1093/mnras/stz290.
  3. ^ Wittenmyer, Robert A.; et al. (2007). "Dynamical and Observational Constraints on Additional Planets in Highly Eccentric Planetary Systems". The Astronomical Journal. 134 (3): 1276–1284. arXiv:0706.1962. Bibcode:2007AJ....134.1276W. doi:10.1086/520880.

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This page was last edited on 5 December 2023, at 22:52
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