21118+4259 STJ 91

 
 
21h 11m 50.92s +42° 59' 18.1" P.A. 271.00 sep 1.0 mag 11.50,11.90
 
 
Coord 2000 21118+4259 Discov num STJ  91 Comp Coord arcsec 2000 21 11 50.92 +42 59 18.1
Date first 2015 Date last 2018 Obs 2
Pa first 271 Pa last 271.1 P.A. Now (θ) 271.1°
Sep first 1.0 Sep last 1.039 Sep. Now (ρ) 1.039"
Mag pri 11.50 Mag sec 11.90 delta mag (ΔM) 0.4 Spectral class
Pri motion ra -004 Sec motion ra -004
Pri motion dec -009 Sec motion dec -011
Notes V (Proper motion indicates physical)
rPM=0.171 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus