21139+2329 BKO 890

 
 
21h 13m 53.81s +23° 28' 59.9" P.A. 190.00 sep 9.3 mag 14.80,15.10
 
 
Coord 2000 21139+2329 Discov num BKO 890 Comp Coord arcsec 2000 21 13 53.81 +23 28 59.9
Date first 1998 Date last 2015 Obs 8
Pa first 191 Pa last 189.6 P.A. Now (θ) 189.6°
Sep first 9.4 Sep last 9.26 Sep. Now (ρ) 9.26"
Mag pri 14.80 Mag sec 15.10 delta mag (ΔM) 0.3 Spectral class
Pri motion ra +004 Sec motion ra +003
Pri motion dec +012 Sec motion dec -018
Notes
rPM=1.645
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Gaia DR2 1839972102801808512