| Discovery | |
|---|---|
| Discovered by | Johnson et al. |
| Discovery site |  United States |
| Discovery date | April 17, 2006 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| 0.1508±0.0087 AU | |
| Eccentricity | 0.399±0.056[1] |
| 18.1991±0.0017[1] d | |
| 2463017.31±0.29[1] | |
| 155.5±7.1[1] | |
| Semi-amplitude | 22.4±1.6[1] |
| Star | HD 33283 |
HD 33283 b is an exoplanet orbiting around HD 33283. The mass of the planet is about 1/3 that of Jupiter or about the same as Saturn. However, the planet orbits very close to the star, taking only 18 days to complete its orbit with average speed of 86.5 km/s (311400 km/h). Despite this, its orbit is eccentric, bringing it as close as 0.075 AU to the star and as far away as 0.215 AU.[2]
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Transcription
See also
References
- ^ a b c d e Ment, Kristo; et al. (2018). "Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810". The Astronomical Journal. 156 (5). 213. arXiv:1809.01228. Bibcode:2018AJ....156..213M. doi:10.3847/1538-3881/aae1f5. S2CID 119243619.
- ^ Johnson, John Asher; et al. (2006). "The N2K Consortium. VI. Doppler Shifts without Templates and Three New Short-Period Planets". The Astrophysical Journal. 647 (1): 600–611. arXiv:astro-ph/0604348. Bibcode:2006ApJ...647..600J. doi:10.1086/505173. S2CID 12421834.
External links
- "HD 33283". Exoplanets. Archived from the original on 2009-11-25. Retrieved 2008-09-10.
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This page was last edited on 27 November 2023, at 23:52