20111+4131 HJ 1491 (HD 228090)

 
 
20h 10m 10.59s +41 29' 56.6" P.A. 297.00 sep 4.8 mag 9.56,9.62 Sp F5
 
 
Coord 2000 20111+4131 Discov num HJ 1491 Comp Coord arcsec 2000 20 10 10.59 +41 29 56.6
Date first 1828 Date last 2019 Obs 21
Pa first 302 Pa last 297.1 P.A. Now (θ) 297.1°
Sep first 2.5 Sep last 4.75 Sep. Now (ρ) 4.75"
Mag pri 9.56 Mag sec 9.62 delta mag (ΔM) 0.06 Spectral class F5 (yellow-white)
Pri motion ra +013 Sec motion ra +014
Pri motion dec +007 Sec motion dec +008
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.088 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228090 Constellation Cygnus Tycho2 3159-00927-1 Gaia DR2 2074592353598782592
HD 228090