HD 107148

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Stern
HD 107148
AladinLite
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation Virgin
Right ascension 12 h 19 m 13.49 s
declination -03 ° 19 ′ 11.2 ″
Apparent brightness 8.01 mag
Typing
Known exoplanets 1
Spectral class G5
Astrometry
Radial velocity (+25.1 ± 0.2) km / s
parallax (19.53 ± 0.75)  mas
distance (167.0 ± 6.4)  ly
(51.2 ± 2.0)  pc  
Proper movement 
Rec. Share: (−53.46 ± 0.74)  mas / a
Dec. portion: (−47.37 ± 0.43)  mas / a
Physical Properties
Dimensions 1.12  M
Luminosity

1.41  L

Effective temperature 5797  K
Metallicity [Fe / H] 0.314
Age 5.6 bill.  A
Other names
and catalog entries
Bonn survey BD −2 ° 3497
Henry Draper Catalog HD 107148 [1]
Hipparcos catalog HIP 60081 [2]
SAO catalog SAO 138714 [3]
Tycho catalog TYC 4943-39-1 [4]Template: Infobox star / maintenance / specification of the TYC catalog

HD 107148 is a yellow dwarf in the constellation Virgo, 167 light years from Earth . It has an apparent magnitude of 8.0 mag.

The star is orbited by an exoplanet that bears the systematic name HD 107148 b . The companion's orbital period is around 48 days and its mass is estimated to be at least about 0.2 Jupiter masses (approx. 70  Earth masses ). The major semi-axis of its orbit is approx. 0.27  astronomical units . The discovery of the object using the radial velocity method was made in 2006 by Butler et al. released.

Web links

Individual evidence

  1. a b c Hipparcos catalog (ESA 1997)
  2. Pulkovo radial velocities for 35493 HIP stars
  3. a b c Hipparcos, the New Reduction (van Leeuwen, 2007)