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HD 4308 b

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HD 4308 b
HD 4308 b Hot SuperEarth.png
Artist's conception
Discovery
Discovered by Udry et al.
Discovery site California, United States
Discovery date22 August 2005
Doppler Spectroscopy
Orbital characteristics
Apastron 0.115 AU (17,200,000 km)
Periastron 0.115 AU (17,200,000 km)
0.115 ± 0.096 AU (17,200,000 ± 14,400,000 km)
Eccentricity 0.00 ± 0.01
15.56 ± 0.02 d
0.04260 y
2,453,314.70
±2.0
359±47
Semi-amplitude 4.07 ± 0.2
Star HD 4308
Physical characteristics
Mass >0.0442 MJ
(>14 ME)

    HD 4308 b is a low-mass exoplanet orbiting around HD 4308. It is believed to have almost no orbital eccentricity. [1]

    Contents

    See also

    References

    1. ↑ Udry, S.; et al. (2006). "The HARPS search for southern extra-solar planets V. A 14 Earth-masses planet orbiting HD 4308". Astronomy and Astrophysics. 447 (1): 361–367. arXiv: astro-ph/0510354 . Bibcode:2006A&A...447..361U. doi:10.1051/0004-6361:20054084.


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