HD 109749 b

HD 109749 b
Discovery
Discovered by	Fischer et al.
Discovery site	Keck Observatory
Discovery date	August 22, 2005
Detection method	Doppler spectroscopy; (N2K Consortium)
Orbital characteristics
Semi-major axis	0.0615±0.004 AU
Eccentricity	0 (fixed)
Orbital period (sidereal)	5.239891±0.000099 d
Semi-amplitude	29.2±1.1
Star	HD 109749

HD 109749 b is an extrasolar planet that takes only 5.24 days to orbit the star HD 109749 at a distance of 0.063 AU.^[1] It was discovered on August 22, 2005, the same day as Gliese 581 b.

References

^ ^a ^b Fischer, Debra A.; et al. (2006). "The N2K Consortium. III. Short-Period Planets Orbiting HD 149143 and HD 109749" (PDF). The Astrophysical Journal. 637 (2): 1094–1101. Bibcode:2006ApJ...637.1094F. doi:10.1086/498557. S2CID 6459118.
^ ^a ^b ^c 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.

External links

"HD 109749". Exoplanets. Archived from the original on 2009-11-25. Retrieved 2008-11-04.

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[Fischer2006-1] Fischer, Debra A.; et al. (2006). "The N2K Consortium. III. Short-Period Planets Orbiting HD 149143 and HD 109749" (PDF). The Astrophysical Journal. 637 (2): 1094–1101. Bibcode:2006ApJ...637.1094F. doi:10.1086/498557. S2CID 6459118.

[Ment2018-2] 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.

[1]

[2]

Discovery
Discovered by	Fischer et al.^[1]
Discovery site	Keck Observatory
Discovery date	August 22, 2005
Detection method	Doppler spectroscopy (N2K Consortium)
Orbital characteristics
Semi-major axis	0.0615±0.004 AU
Eccentricity	0 (fixed)^[2]
Orbital period (sidereal)	5.239891±0.000099^[2] d
Semi-amplitude	29.2±1.1^[2]
Star	HD 109749

See also

References

External links