Gliese 674 b
| Discovery | |
|---|---|
| Discovered by | Bonfils et al. |
| Discovery site | ESO |
| Discovery date | January 7, 2007 |
| HARPS | |
| Orbital characteristics | |
| 0.039 AU (5,800,000 km) | |
| Eccentricity | 0.2 ± 0.02 |
| 4.6938 ± 0.007d | |
| 2453780.085 ± 0.078 | |
| 6 ± 200 | |
| Semi-amplitude | 8.70 ± 0.19 |
| Star | Gliese 674 |
| Physical characteristics | |
| Mass | ≥11.09M🜨[1] |
Gliese 674 bis anextrasolar planetapproximately 15light yearsaway in theconstellationofAra.This planet orbits tightly aroundGliese 674.It is a sub-Neptune-or-Uranus-mass planet eithergaseousorrocky.It orbits as close as 0.039AUfrom the star and takes only 4.6938daysto orbit. This planet has a similareccentricitytoMercury(e=0.2). The discovery of the planet was announced on January 7, 2007 by using theHARPSspectrographmounted on theESO's 3.6 metertelescopeatLa Silla,Chile.[1]
References
[edit]- ^abBonfils, X.; et al. (2007)."The HARPS search for southern extra-solar planets. X. A m sin i = 11 M_⊕ planet around the nearby spotted M dwarf GJ 674".Astronomy and Astrophysics.474(1): 293–299.arXiv:0704.0270.Bibcode:2007A&A...474..293B.doi:10.1051/0004-6361:20077068.S2CID119671420.Archivedfrom the original on 2014-12-28.Retrieved2019-01-21.
External links
[edit]- "GJ 674".Exoplanets.Archived fromthe originalon 2009-11-25.Retrieved2008-08-02.
| Stars |
| ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||
| Star clusters |
| ||||||||||
| Nebulae |
| ||||||||||
| Galaxies |
| ||||||||||
 | This extrasolar-planet-related article is astub.You can help Wikipedia byexpanding it. |