21183+4244 HJ 1634

 
 
21h 18m 17.00s +42° 44' 04.3" P.A. 143.00 sep 28.9 mag 9.32,9.53 Sp K0
 
 
Coord 2000 21183+4244 Discov num HJ 1634 Comp Coord arcsec 2000 21 18 17.00 +42 44 04.3
Date first 1828 Date last 2019 Obs 21
Pa first 133 Pa last 143.1 P.A. Now (θ) 143.1°
Sep first 25.0 Sep last 28.88 Sep. Now (ρ) 28.88"
Mag pri 9.32 Mag sec 9.53 delta mag (ΔM) 0.21 Spectral class K0 (yellow-orange)
Pri motion ra +002 Sec motion ra -007
Pri motion dec +000 Sec motion dec -031
Notes N (See Notes)
rPM=1.016
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3177-01766-1 Gaia DR2 1969124208943857408