Hellenica World

HD 212301

HD 212301 is a yellow-white main sequence star located approximately 172 light years (53 parsecs) away in the south circumpolar constellation Octans. The magnitudes are m=7.77 and M=4.16. It has spectral type of F8V. The temperature of the photosphere is 5998 kelvins and have mass 5% more than our Sun. Its age is older than our local star by 1.3 billion years or by the factor of 1.3 times. It is a metal-rich star with 50% more metals than the Sun has. This star is also called HIP 110852.


Planetary system

The HD 212301 system
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity
b >0.396 MJ 0.0341 2.24572 ± 28 0

See also

* HD 213240
* List of extrasolar planets


References

* Lo Curto et al. (2006). "The HARPS search for southern extra-solar planets. VII. A very hot Jupiter orbiting HD 212301". Astronomy and Astrophysics 451 (1): 345–350. doi:10.1051/0004-6361:20054083. http://adsabs.harvard.edu/abs/2006A%26A...451..345L. Retrieved December 16, 2007.


External links

* "Notes for star HD 212301". The Extrasolar Planets Encyclopaedia. http://exoplanet.eu/star.php?st=HD+212301. Retrieved 2008-08-29.
* "HD 212301". Extrasolar Visions. http://www.extrasolar.net/planettour.asp?StarCatId=normal&StarId=. Retrieved 2008-08-29.

Retrieved from "http://en.wikipedia.org/"
All text is available under the terms of the GNU Free Documentation License

Index
Scientificlib.com
Scientificlib News