Astronomy:HD 109749 b
From HandWiki
Short description: Extrasolar planet orbiting HD 109749
| Discovery | |
|---|---|
| Discovered by | Fischer et al.[1] |
| Discovery site | Keck Observatory |
| Discovery date | August 22, 2005 |
| Doppler spectroscopy (N2K Consortium) | |
| Orbital characteristics | |
| 0.0615±0.004 AU | |
| Eccentricity | 0 (fixed)[2] |
| Orbital period | 5.239891±0.000099[2] d |
| Semi-amplitude | 29.2±1.1[2] |
| 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.
See also
References
- ↑ 1.0 1.1 Fischer, Debra A. et al. (2006). "The N2K Consortium. III. Short-Period Planets Orbiting HD 149143 and HD 109749". The Astrophysical Journal 637 (2): 1094–1101. doi:10.1086/498557. Bibcode: 2006ApJ...637.1094F. https://authors.library.caltech.edu/36284/1/0004-637X_637_2_1094.pdf.
- ↑ 2.0 2.1 2.2 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. doi:10.3847/1538-3881/aae1f5. Bibcode: 2018AJ....156..213M.
External links
Coordinates: 
12h 37m 16.3781s, −40° 48′ 43.619″
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