Planet GJ 317 b
| Name | GJ 317 b | |
| Discovered in | 2007 | |
| M × sin i | 1.8 ± 0.05 MJ |  |
| Semi-major axis | 1.15 ± 0.05 AU | |
| Orbital period | 691.78 ± 4.7 days | |
| Eccentricity | 0.11 ± 0.05 | |
| ω | 342 ± 10 | |
| Tperi | 2.45166e+06 ± 35 | |
| Radius | — | |
| Inclination | 45 +10-10° | |
| Update | Nov. 14, 2011 | |
| Detection method | detected by radial velocity | |
| Molecules detected | — |
Remarks
14 Nov 2011: With M.sini = 1.8 MJup and i = 45 deg. M = 2.5 0.70.4 M Jup (Anglada-Escudé et al. 2011).06 Jul. 07: A possible second, yet unconfirmed, planet may be present: GJ 317 c (Johnson et al. 2007). The orbital period of GJ 317 b would then be 673.4 days and the eccentricity 0.25
Star
| Name | GJ 317 | |
| Distance | 15.1 ± 0.22 pc | |
| Spectral type | M3.5 | |
| Apparent magnitude V | 12.0 | |
| Mass | 0.42 ± 0.05 MSun | |
| Age | Gyr | |
| Effective temperature | 3510 ± 50 K | |
| Radius | RSun | |
| Metallicity [Fe/H] | 0.36 ± 0.2 | |
| RA2000 | 08:40:59.0 | |
| Dec2000 | -23:27:23 | |
| Planetary system | 2 planets |
More data
- Simbad
- Most recent references (ADS)
Related publications
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Content
Content and Chapter 5
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