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HD 147513

HD 147513 is the 5th-magnitude star in the constellation of Scorpius. It was first catalogued by Italian astronomer Piazzi in his star catalogue as "XVI 55".[3]

HD 147513 is a yellow dwarf star that is similar to the Sun. However, it is slightly less massive and considerably younger being only 400 million years old. It is approximately 40 light years away from the Earth.

HD 147513 is also known as suspected variable star.[4]

Planetary system

In 2002, the Geneva Extrasolar Planet Search Team announced the discovery of an extrasolar planet orbiting the star.[5]

The HD 147513 system[5]
(in order from star)
Mass Semimajor axis
Orbital period
b >1.21 MJ 1.32 528.4 ± 6.3 0.26 ± 0.05

See also

* List of extrasolar planets


1. ^ a b Hoffleit D., Warren Jr., W.H., The Bright Star Catalogue, 5th rev. ed. (preliminary version).[1]
2. ^ Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008). "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics". The Astrophysical Journal 687 (2): 1264–1293. doi:10.1086/591785. Bibcode: 2008ApJ...687.1264M.
3. ^ Piazzi, G., (ed.) the Palermo Catalogue, 1814.
4. ^ NSV 7680 -- Variable Star - SIMBAD entry
5. ^ a b Mayor et al.; Udry, S.; Naef, D.; Pepe, F.; Queloz, D.; Santos, N. C.; Burnet, M. (2004). "The CORALIE survey for southern extra-solar planets XII. Orbital solutions for 16 extra-solar planets discovered with CORALIE". Astronomy and Astrophysics 415: 391–402. doi:10.1051/0004-6361:20034250. http://www.aanda.org/articles/aa/full/2004/07/aa0250/aa0250.html.

External links

* "HD 147513". The Extrasolar Planets Encyclopaedia. http://exoplanet.eu/star.php?st=HD+147513.
* "HD 147513". Extrasolar Visions. http://www.extrasolar.net/planettour.asp?StarCatId=normal&StarId=174.

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