Planet HD 181720 b
| Name | HD 181720 b | |
| Discovered in | 2009 | |
| M × sin i | 0.37 MJ |  |
| Semi-major axis | 1.78 AU | |
| Orbital period | 956 ± 14 days | |
| Eccentricity | 0.26 ± 0.06 | |
| ω | 177 ± 12 | |
| Tperi | 2.45363e+06 ± 30 | |
| Radius | — | |
| Inclination | 1 +0.9-0.9° | |
| Update | Jan. 11, 2011 | |
| Detection method | detected by radial velocity | |
| Molecules detected | — |
Remarks
11 Jan 2011: Reffert et al. 2011 give a mass range derived from astrometry 6.1 - 217.9 MJup at the 3 σ level.The errors on inclination are at the 3 σ level (Reffert et al. 2011)
Star
| Name | HD 181720 | |
| Distance | 56 ± 4 pc | |
| Spectral type | G1V | |
| Apparent magnitude V | 7.86 | |
| Mass | 0.92 MSun | |
| Age | Gyr | |
| Effective temperature | 5781 ± 18 K | |
| Radius | RSun | |
| Metallicity [Fe/H] | -0.53 ± 0.02 | |
| RA2000 | 19:22:53.0 | |
| Dec2000 | -32:55:09 | |
| Planetary system | 1 planet |
More data
- Simbad
- Most recent references (ADS)
Related publications
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