HAT-P-2

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Star
HAT-P-2
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation Hercules
Right ascension 16 h 20 m 36.36 s
declination + 41 ° 02 ′ 53.1 ″
Apparent brightness 8.72 likes
Typing
Known exoplanets 1
Spectral class F8
Astrometry
parallax (8.74 ± 0.73)  mas
distance (370 ± 30)  ly
(114 ± 10)  pc  
Visual absolute brightness M vis approx. +3 mag
Proper movement 
Rec. Share: (−9.93 ± 0.84)  mas / a
Dec. portion: (−28.26 ± 0.76)  mas / a
Physical Properties
Dimensions 1.3  M ☉
radius 1.4  R ☉
Luminosity

2.8  L ☉

Effective temperature 6290  K
Metallicity [Fe / H] +0.11
Age approx. 3 bill.  a
Other names
and catalog entries
Bonn survey BD + 41 ° 2693
Henry Draper Catalog HD 147506 [1]
Hipparcos catalog HIP 80076 [2]
SAO catalog SAO 46035 [3]
Tycho catalog TYC 3065-1195-1 [4]Template: Infobox star / maintenance / specification of the TYC catalog
annotation
  1. ↑ Roughly estimated from apparent brightness and distance.

HD 147506 , also known as HAT-P-2 , is a star of spectral class F8, approximately 400 light-years from Earth, with an apparent magnitude of 8.7 mag. In 2007, the HATNet project announced the discovery of an exoplanet around this star: HAT-P-2b .

Web links

Individual evidence

  1. ↑ a b c Hipparcos catalog (ESA 1997)
  2. ↑ a b c Hipparcos, the New Reduction (van Leeuwen, 2007)