HD 224693 b

HD 224693 b / Xólotl

Discovery
Discovered by	Johnson and NK2 consortium
Discovery site	Hawaii, United States
Discovery date	April 17, 2006
Detection method	Doppler Spectroscopy
Orbital characteristics
Semi-major axis	0.191±0.014 AU
Eccentricity	0.104±0.017[1]
Orbital period (sidereal)	26.6904±0.0019[1] d
Time of periastron	2463193.79±0.77[1]
Argument of periastron	358±10[1]
Semi-amplitude	39.96±0.68[1]
Star	HD 224693

HD 224693 b, formally named Xólotl, is an extrasolar planet orbiting the star HD 224693 every 27 days with a minimum mass 70% of Jupiter.^[2]

The planet HD 224693 b is named Xólotl. The name was selected in the NameExoWorlds campaign by Mexico, during the 100th anniversary of the IAU. Xólotl means animal in the native Nahuatl language and was an Aztec deity associated with the evening star (Venus).^[3][4]

See also

• 79 Ceti b
• HD 33283 b
• HD 86081 b

References

1. 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.
2. 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.
3. "Approved names". NameExoworlds. Retrieved 2020-01-02.
4. "International Astronomical Union | IAU". www.iau.org. Retrieved 2020-01-02.

External links

• "HD 224693". Exoplanets. Archived from the original on 2009-11-25. Retrieved 2008-09-10.