20184+4033 ARN 49 (HD 228839)

 
 
20h 18m 24.24s +40 32' 32.8" P.A. 313.00 sep 30.2 mag 9.59,10.36 Sp K2
 
 
Coord 2000 20184+4033 Discov num ARN  49 Comp Coord arcsec 2000 20 18 24.24 +40 32 32.8
Date first 1892 Date last 2015 Obs 16
Pa first 314 Pa last 313.2 P.A. Now (θ) 313.2°
Sep first 31.6 Sep last 30.152 Sep. Now (ρ) 30.152"
Mag pri 9.59 Mag sec 10.36 delta mag (ΔM) 0.77 Spectral class K2 (yellow-orange)
Pri motion ra +008 Sec motion ra +015
Pri motion dec +016 Sec motion dec +008
Notes
rPM=0.594
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228839 Constellation Cygnus SAO 49446 Tycho2 3155-00379-1
Gaia DR2 2062342312268666624 HD 228839 DM BD+40 4105