HD 109749 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 109749 | |
| Constellation | Centaurus | |
| Right ascension | (α) | 12h 37m 16.3781s |
| Declination | (δ) | −40° 48′ 43.619″ |
| Distance | 192 ly (59 pc) | |
| Spectral type | G3IV | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.0629 AU |
| Periastron | (q) | 0.0629 AU |
| Apastron | (Q) | 0.0629 AU |
| Eccentricity | (e) | 0 |
| Orbital period | (P) | 5.23947 ± 0.00056 d |
| Orbital speed | (υ) | 131 km/s |
| Argument of periastron |
(ω) | 0° |
| Time of periastron | (T0) | 2453014.91 ± 0.5 JD |
| Semi-amplitude | (K) | 28.58 ± 0.87 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 0.28 ± 0.016 MJ |
| Discovery information | ||
| Discovery date | August 22, 2005 | |
| Discoverer(s) | Fischer et al.[1] | |
| Discovery method | Doppler spectroscopy (N2K Consortium) | |
| Discovery site | Keck Observatory | |
| Discovery status | Published[1] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 109749 b is an extrasolar planet that orbits extremely close to the star HD 109749, taking only 5.24 days to orbit at the distance of 0.063 AU.[1] This planet was discovered on August 22, 2005 - the same day as the discovery of Gliese 581 b.
See also
References
- 1 2 3 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. Bibcode:2006ApJ...637.1094F. doi:10.1086/498557.
External links
- "HD 109749". Exoplanets.
Coordinates: 
12h 37m 16.3781s, −40° 48′ 43.619″
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