HAT-P-3b

Planetbox begin
name = HAT-P-3b Planetbox star
star = HAT-P-3 cite journal | url = http://www.journals.uchicago.edu/doi/abs/10.1086/521792 | author = Torres "et al." | title = HAT-P-3b: A Heavy-Element-rich Planet Transiting a K Dwarf Star | journal = The Astrophysical Journal Letters | volume=666 | issue=2 | year=2007 | pages=L121 – L124 ( [http://arxiv.org/abs/0707.4268v1 web Preprint] ) ]
constell = Ursa Major
RA = RA|13|44|23
DEC = DEC|+48|01|43
dist_ly = 457±42
dist_pc = 140±13
class = K Planetbox orbit
semimajor = 0.03894
eccentricity = 0
period = 2.899703
inclination = 87.24
ang_dist = 0.278
long_peri = ?
t_peri = 2454218.7598±0.0029
semi-amp = 89.1 ± 2.0 Planetbox character
mass = 0.599±0.026
radius = 0.890±0.046
density = 1060±170
gravity = 12.3
gravity_earth = 1.25
temperature = Planetbox discovery
discovery_date = 28 July 2007
discoverers = HATNet Project
discovery_method = Transit
discovery_location = flag|United States
discovery_status = PublishedPlanetbox catalog
names = GSC 03466-00819b

HAT-P-3b is an extrasolar planet approximately 457 light-years away in the constellation of Ursa Major. It was discovered by the HATNet Project via the transit method, so both its mass and radius are known quite precisely; based on these figures it is predicted that the planet has about 75 Earth masses worth of heavy elements in its core, making it similar to the planet HD 149026b.

See also

* HAT-P-1b
* HATNet Project
* HD 149026b

References

External links

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