HD 4203

Starbox short
name = HD 4203
epoch = J2000.0
constell = Pisces
ra = RA|00|44|41.2
dec = DEC|+20|26|56.1
spectral = G5
appmag_v = +8.68
absmag_v = +4.23
dist_ly = 253
dist_pc = 77.5
names = BD+19º117, HIP 3502, SAO 74235

HD 4203 is a 9th magnitude star in the constellation Pisces. The star is yellow with spectral type G5. It is approximately 253 ly away. The star has evolved for 9.41 billion years. The star has a gas giant planet orbiting around a high metallicity star.

HD 4203 b

Planetbox begin
name = HD 4203 b Planetbox orbit
semimajor = 2.07±0.13
eccentricity = 0.519±0.027
period = 431.88±0.85
ang_dist = 26.71
long_peri = 329.1±3.1
t_peri = 2,451,918.9±2.7
semi-amp = 60.3±2.2Planetbox character
mass = >1.16 Planetbox discovery
discovery_date = 2001
discoverers = Vogt et al.
discovery_site = Keck telescope
discovery_method = radial velocity
discovery_status=Published HD 4203 b is a planet more massive than Jupiter. It orbits two times further from the star than Earth to the Sun. The planet takes 1.1824 year to orbit the star very eccentrically from 1.00 AU to 3.14 AU. The planet was discovered by Steve Vogt using the Keck telescope.

References

*cite journal | url=http://www.journals.uchicago.edu/doi/full/10.1086/338768 | author=Vogt "et al." | title=Ten Low-Mass Companions from the Keck Precision Velocity Survey | journal=The Astrophysical Journal | volume=568 | issue=1 |year=2002 | pages=352 – 362 | doi=10.1086/338768
*cite journal|url=http://www.journals.uchicago.edu/doi/abs/10.1086/504701 | author=Butler "et al." | title=Catalog of Nearby Exoplanets | journal=The Astrophysical Journal | volume=646 | issue=1 | pages=505 – 522 | year=2006 | doi=10.1086/504701 ( [http://xxx.lanl.gov/abs/astro-ph?papernum=0607493 web Preprint] )

External links

* [http://exoplanet.eu/star.php?st=HD+4203 Notes for star HD 4203] [http://exoplanet.eu/planet.php?p1=HD+4203&p2=b planet]
* [http://www.extrasolar.net/startour.asp?StarCatID=normal&StarID=146 HD 4203 – Yellow Main Sequence Star] [http://www.extrasolar.net/planettour.asp?StarCatId=normal&PlanetId=182 Water Cloud Jovian, Eccentric planet]
* [http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=HD+4203&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id HD 4203 – Star]