HD 2638 b

HD 2638 b

Planetbox begin
name=HD 2638 bPlanetbox orbit
semimajor=0.044
eccentricity=0
period=3.4442 ± 0.0002
ang_dist=0.819
long_peri=0
t_peri=2,453,323.206 ± 0.002
semi-amp=67.4±0.4Planetbox character
mass=>0.48Planetbox discovery
discovery_date=2005
discovery_method=Radial velocity
discovery_site=Geneva
discoverers=Moutou, Mayor,
Bouchy et al.
discovery_status=Published

HD 2638 b is a planet of the star HD 2638. It is a typical "hot Jupiter", a planet that orbits its parent star in a very tight "torch orbit". Distance to the star is less than 1/20th Earth's distance from the Sun. One orbital revolution lasts only about three and half days.

References

*cite journal | url=http://www.aanda.org/articles/aa/full/2005/31/aa2826-05/aa2826-05.html | author=Moutou "et al." | title=The HARPS search for southern extra-solar planets IV. Three close-in planets around HD 2638, HD 27894 and HD 63454 | journal=Astronomy and Astrophysics | year=2005 | volume=439 | issue=1 | pages=367–373 | doi=10.1051/0004-6361:20052826

External links

* [http://simbad.u-strasbg.fr/Simbad SIMBAD] [http://simbad.u-strasbg.fr/sim-id.pl?protocol=html&Ident=HD+2638 entry]
* [http://www.obspm.fr/encycl/encycl.html The Extrasolar Planets Encyclopaedia] [http://www.obspm.fr/encycl/HD2638.html entry]
* [http://www.extrasolar.net Extrasolar Visions] [http://www.extrasolar.net/planettour.asp?StarCatId=normal&PlanetId=283 entry]


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