HD 27084

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Stern
HD 27084 / HIP 20156 / BD + 49 ° 1155
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation Perseus
Right ascension 04 h 19 m 13.2 s
declination + 50 ° 02 ′ 55 ″
Apparent brightness 5.46 likes
Typing
B − V color index +0.22 
U − B color index +0.12 
Spectral class A7 V
Astrometry
Radial velocity (−16.5 ± 2.8) km / s
parallax (13.43 ± 0.37)  mas
distance (242.9 ± 6.7)  Lj
(74.5 ± 2.1)  pc  
Proper movement 
Rec. Share: (+61.72 ± 0.40)  mas / a
Dec. portion: (−59.25 ± 0.31)  mas / a
Physical Properties
Other names
and catalog entries
Bonn survey BD + 49 ° 1155
Bright Star Catalog HR 1330 [1]
Henry Draper Catalog HD 27084 [2]
Hipparcos catalog HIP 20156 [3]
SAO catalog SAO 39457 [4]
Tycho catalog TYC 3337-195-1 [5]Template: Infobox star / maintenance / specification of the TYC catalog
Other names IRAS 04155 + 4955

HD 27084 , also cataloged as HR 1330 , BD + 49 ° 1155, or HIP 20156 , is a star in the constellation Perseus . Its apparent visual brightness is around 5.5 mag, roughly the same as that of Uranus. Seen from Earth, the star is located immediately to the east of the open star cluster NGC 1545 , but it is not a member of the same, but a foreground star ; seen from earth it is also close to the variable b Persei .

Individual evidence

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