HD 130322

Starbox short
name=HD 130322
epoch=2000
constell=Virgo
ra=14^h 47^m 32.73^s
dec=-0° 16' 53.31"
spectral=K0V
appmag_v=8.05
dist_ly=97.02
dist_pc=29.76
names=BD+00°3243, HIP 72339

HD 130322 is an 8th magnitude star in the constellation of Virgo. It is an orange dwarf, a type of star somewhat dimmer and cooler than our Sun. Spectral type of the star is K0 V. It can only be seen with binoculars or telescope. Being almost exactly on the celestial equator the star is visible everywhere in the world except for the North Pole.

In 2000 an extrasolar planet was discovered orbiting the star.

HD 130322 b

Extrasolar Planet
name=HD 130322 b
semimajor=0.088
eccentricity=0.048
period=10.724
inclination=?
ang_dist=3
long_peri=205 ± 22
t_peri=2451383.93 ± 0.65
semi-amp=109.6 ± 4.2
mass=>1.08
radius=1.31
density=637
gravity=1.48
temperature=715
discoverers=Udry, Mayor,
Pepe et al.
discovery_date=2000

HD 130322 b is a planet with a minimum mass slightly more than that of Jupiter. It orbits the star in a very close orbit distance being only a quarter that of Mercury from the Sun. It is thus a so-called "hot Jupiter". The planet orbits the star every 10 days 17 hours in a very regular orbit.

References

*cite journal | url=http://aa.springer.de/papers/0356002/2300590/small.htm |author=Udry et al.|title=The CORALIE survey for southern extra-solar planets II. The short-period planetary companions to HD 75289 and HD 130322 |journal = Astronomy and Astrophysics | volume=356 | year=2000 | pages=590–598

External links

* [http://simbad.u-strasbg.fr/Simbad SIMBAD] [http://simbad.u-strasbg.fr/sim-id.pl?protocol=html&Ident=HD+130322 star entry] , [http://simbad.u-strasbg.fr/sim-id.pl?protocol=html&Ident=HD+130322+B planet entry]
* [http://www.obspm.fr/encycl/encycl.html The Extrasolar Planets Encyclopaedia] [http://www.obspm.fr/encycl/HD130322.html entry]
* [http://www.extrasolar.net Extrasolar Visions] [http://www.extrasolar.net/planettour.asp?StarCatId=normal&PlanetId=99 entry]