Hellenica World

HD 89307

HD 89307 is a yellow main-sequence star located approximately 108 light-years away in the constellation of Leo. The apparent magnitude is 7.06. The mass of the star is identical in value to the Sun.

Planetary system

In December 2004, it was found to have a long-period 1.92 MJ giant planet in orbit around it.

The HD 89307 system[1]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity
b ≥1.78 ± 0.13 MJ 3.27 ± 0.07 2157 ± 63 0.241 ± 0.07

See also

* List of extrasolar planets


References

1. ^ Fischer et al. (2009). "Five Planets and an Independent Confirmation of HD 196885Ab from Lick Observatory" (abstract). The Astrophysical Journal 703 (2): 1545–1556. doi:10.1088/0004-637X/703/2/1545. http://www.iop.org/EJ/abstract/0004-637X/703/2/1545. (web Preprint)


External links

* "Notes for star HD 89307". The Extrasolar Planets Encyclopaedia. http://exoplanet.eu/star.php?st=HD+89307. Retrieved 2008-08-18.
* "HD 89307". Extrasolar Visions. http://www.extrasolar.net/planettour.asp?StarCatId=normal&StarId=264. Retrieved 2008-08-18.

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

Index

Scientificlib.com