HIP 102152

from Wikipedia, the free encyclopedia
Star
HIP 102152
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation Capricorn
Right ascension 20 h 41 m 54.63 s
declination -27 ° 12 ′ 57.4 ″
Apparent brightness 9.15 likes
Typing
B − V color index (0.65) 
Spectral class G3 V
Astrometry
Radial velocity −43.9 ± 0.3 km / s
parallax 12.75 ± 0.04  mas
distance (255)  Ly
(78)  pc
Proper movement 
Rec. Share: (175.48)  mas / a
Dec. portion: (−15.58)  mas / a
Physical Properties
Dimensions (0.97)  M ☉
Effective temperature (5723 ± 5)  K.
Metallicity [Fe / H] (−0.013 ± 0.004)
Age (8.2) bill.  A
Other names
and catalog entries
Cordoba Survey CD −27 ° 14976
Henry Draper Catalog HD 197027 [1]
Hipparcos catalog HIP 102152 [2]
SAO catalog SAO 189585 [3]
Tycho catalog TYC 6929-846-1 [4]Template: Infobox star / maintenance / specification of the TYC catalog
2MASS catalog 2MASS J20415462-2712574 [5]

HIP 102152 ( HD 197027 ) is a star in Capricorn about 250 light-years away . In many ways it is very similar to the sun , but with the difference that it is much older.

Evolution of sun-like stars

See also

Individual evidence

  1. ↑ a b c d e f g SIMBAD : HD 197027. Accessed July 7, 2018 .
  2. ↑ a b c d Monroe, TR: High Precision abundances of the Old solar twin HIP 102152: Insights on Li depletion from the Oldest Sun . In: The Astrophysical Journal Letters . 774, No. 2, 2013, p. 22. arxiv : 1308.5744 . bibcode : 2013ApJ ... 774L..32M . doi : 10.1088 / 2041-8205 / 774/2 / L32 .