21491+4242 ARG 95

 
 
21h 49m 07.73s +42° 41' 34.8" P.A. 338.00 sep 23.1 mag 10.31,11.18 Sp A
 
 
Coord 2000 21491+4242 Discov num ARG  95 Comp Coord arcsec 2000 21 49 07.73 +42 41 34.8
Date first 1895 Date last 2018 Obs 16
Pa first 341 Pa last 337.6 P.A. Now (θ) 337.6°
Sep first 24.5 Sep last 23.137 Sep. Now (ρ) 23.137"
Mag pri 10.31 Mag sec 11.18 delta mag (ΔM) 0.87 Spectral class A (white)
Pri motion ra +007 Sec motion ra +003
Pri motion dec +003 Sec motion dec -011
Notes
rPM=1.277
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3192-00232-1 Gaia DR2 1960709680807782144