HD 20367

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Stern
HD 20367
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation Aries
Right ascension 03 h 17 m 40.05 s
declination + 31 ° 07 ′ 37.4 ″
Apparent brightness 6.4 mag
Typing
Known exoplanets 1
Spectral class G0
Astrometry
Radial velocity (+5.9 ± 0.3) km / s
parallax (37.48 ± 0.63)  mas
distance (87.0 ± 1.5)  ly
(26.68 ± 0.45)  pc  
Visual absolute brightness M vis approx. +4.3 mag
Proper movement 
Rec. Share: (−104.18 ± 0.50)  mas / a
Dec. portion: (−58.11 ± 0.48)  mas / a
Physical Properties
Dimensions (1.04 ± 0.06)  M ☉
radius (1.2 ± 0.3)  R ☉
Other names
and catalog entries
Bonn survey BD + 30 ° 520
Henry Draper Catalog HD 20367 [1]
Hipparcos catalog HIP 15323 [2]
SAO catalog SAO 56323 [3]
Tycho catalog TYC 2340-1798-1 [4]Template: Infobox star / maintenance / specification of the TYC catalog
Other names PPM 68307 • IRAS 03146 ​​+ 3056

HD 20367 is a main sequence star of spectral class G0 in the constellation Aries , about 87 light-years away , in which an exoplanet was discovered. The star has an apparent magnitude of 6.4 mag.

Planetary companion

The exoplanet HD 20367 b orbits the star with an orbital period of around 470 days . Its orbit has a semi-major axis of approximately 1.2  astronomical units and an eccentricity of approximately 0.3. The minimum mass M · sin (i) of the object is about 1.2 Jupiter masses. The object was designed by Mayor et al. discovered using the radial velocity method and published in 2002.

Web link

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)
  4. ↑ due to the apparent brightness and distance