18334-3844 DUN 222 (Kap2 CrA)

 
 
18h 33m 23.13s -38° 43' 33.6" P.A. 359.00 sep 20.5 mag 5.58,6.16 Sp B9V+A0III dist. 298.51 pc (973.74 l.y.)
 
 
Coord 2000 18334-3844 Discov num DUN 222 Comp Coord arcsec 2000 18 33 23.13 -38 43 33.6
Date first 1836 Date last 2018 Obs 50
Pa first 0 Pa last 358.6 P.A. Now (θ) 358.6°
Sep first 30.0 Sep last 20.47 Sep. Now (ρ) 20.47"
Mag pri 5.58 Mag sec 6.16 delta mag (ΔM) 0.58 Spectral class B9V+A0III (blue-white/white)
Pri motion ra -001 Sec motion ra -002
Pri motion dec -022 Sec motion dec -029
Notes N (See Notes)
rPM=0.243 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Kap2 CrA Constellation Corona Austrina SAO 210293 HIP 90968
Tycho2 7902-00891-1 Gaia DR2 6726876327040339712 HD 170867 HR 6952
GC 25314 CD CD-3812895 CP CP-38 7537 Bayer Kappa 2 Coronae Austrinae
Bayer name Kap2 CrA Distance 298.51 Distance ly 973.74 Bayer greek κ2 CrA
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Cra vs CrA)