HD 108147

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Star
HD 108147
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation southern Cross
Right ascension 12 h 25 m 46.27 s
declination -64 ° 01 ′ 19.5 ″
Apparent brightness 6.99 likes
Typing
Known exoplanets 1
B − V color index (0.54) 
Spectral class F8 / G0 V
Astrometry
Radial velocity (−4.94 ± 0.16) km / s
parallax (25.66 ± 0.03)  mas
distance (127.05 ± 0.15)  Lj
(38.96 ± 0.05)  pc
Visual absolute brightness M vis +4.09 mag
Proper movement 
Rec. Share: (−182.52 ± 0.05)  mas / a
Dec. portion: (−60.77 ± 0.05)  mas / a
Physical Properties
Dimensions (1.19)  M ☉
radius (1.22)  R ☉
Luminosity

(1,9)  L ☉

Effective temperature 6067  K
Metallicity [Fe / H] 0.18
Age 1.98 bill.  A
Other names
and catalog entries
Cordoba Survey CD −63 ° 757
Henry Draper Catalog HD 108147 [1]
Hipparcos catalog HIP 60644 [2]
SAO catalog SAO 251899 [3]
Tycho catalog TYC 8983-384-1 [4]Template: Infobox star / maintenance / specification of the TYC catalog
2MASS catalog 2MASS J12254627-6401195 [5]
annotation
  1. ↑ Calculated from apparent brightness and distance.

HD 108147 is a yellow dwarf in the constellation " Southern Cross ", in the immediate vicinity of the main star Acrux .

It is a bit more massive and brighter and also significantly younger than the sun, but otherwise similar to it. Because of its distance, HD 108147 is too faint to be seen with the naked eye. It has been known since 2000 that it possesses at least one planet , HD 108147 b , which orbits it at a distance of 0.102 astronomical units every 10.9 days .

Individual evidence

  1. ↑ a b c d e HD 108147. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed December 2, 2018 .
  2. ↑ a b Hipparcos catalog (ESA 1997)
  3. ↑ a b c d e HD 108147. In: Extrasolar Planets Encyclopaedia . Retrieved December 2, 2018 .
  4. ↑ HD 108147. In: NASA Exoplanet Archive . Retrieved December 2, 2018 .