HD 141937

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Stern
HD 141937
AladinLite
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation Libra
Right ascension 15 h 52 m 17.55 s
declination -18 ° 26 ′ 9.8 ″
Apparent brightness 7.25 likes
Typing
Known exoplanets 1
Spectral class G2 / G3V
Astrometry
Radial velocity (−3.0 ± 0.2) km / s
parallax (30.96 ± 0.64)  mas
distance (105 ± 2)  ly
(32.30 ± 0.67)  pc  
Visual absolute brightness M vis +4.70 mag
Proper movement 
Rec. Share: (96.83 ± 0.77)  mas / a
Dec. portion: (22.97 ± 0.56)  mas / a
Physical Properties
Dimensions approx. 1  M
radius approx. 1.1  R
Effective temperature approx. 5820  K
Other names
and catalog entries
Bonn survey BD -17 ° 4442
Henry Draper Catalog HD 141937 [1]
Hipparcos catalog HIP 77740 [2]
SAO catalog SAO 159551 [3]
Tycho catalog TYC 6191-172-1 [4]Template: Infobox star / maintenance / specification of the TYC catalog
annotation
  1. ↑ Calculated from apparent brightness and distance.

HD 141937 is a main sequence star about 105 light-years from Earth with an apparent magnitude of 7.25 mag. In 2002, Stéphane Udry discovered an extrasolar planet orbiting this star. This is called HD 141937 b .

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)