HD 4203 is a 9th magnitude star located approximately 253 light years away in the constellation Pisces. The star is yellow with spectral type G5. The star has evolved for 9.41 billion years. The star has a gas giant planet orbiting around a high metallicity star.[2]
The HD 4203 system[3] Companion
(in order from star) Mass Semimajor axis
(AU) Orbital period
(days) Eccentricity
b >1.164 ± 0.067 MJ 2.07 ± 0.18 431.88 ± 0.85 0.519 ± 0.027
See also
* HD 4208
* HD 4308
* List of extrasolar planets
Notes
1. ^ a b c d e van Leeuwen, F. (2007). "HIP 3502". Hipparcos, the New Reduction. http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=3494. Retrieved 2009-12-06.
2. ^ Vogt et al.; Butler, R. Paul; Marcy, Geoffrey W.; Fischer, Debra A.; Pourbaix, Dimitri; Apps, Kevin; Laughlin, Gregory (2002). "Ten Low-Mass Companions from the Keck Precision Velocity Survey". The Astrophysical Journal 568 (1): 352–362. doi:10.1086/338768. http://www.iop.org/EJ/article/0004-637X/568/1/352/54961.html.
3. ^ Butler et al.; Wright, J. T.; Marcy, G. W.; Fischer, D. A.; Vogt, S. S.; Tinney, C. G.; Jones, H. R. A.; Carter, B. D. et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal 646 (1): 505–522. doi:10.1086/504701. http://www.iop.org/EJ/article/0004-637X/646/1/505/64046.html.
External links
* "HD 4203". Extrasolar Visions. http://www.extrasolar.net/planettour.asp?StarCatId=normal&StarId=146.
