21144+4219 ES 1581

 
 
21h 14m 22.31s +42° 19' 18.4" P.A. 50.00 sep 4.6 mag 11.64,11.80
 
 
Coord 2000 21144+4219 Discov num ES 1581 Comp Coord arcsec 2000 21 14 22.31 +42 19 18.4
Date first 1895 Date last 2015 Obs 7
Pa first 47 Pa last 49.5 P.A. Now (θ) 49.5°
Sep first 4.6 Sep last 4.649 Sep. Now (ρ) 4.649"
Mag pri 11.64 Mag sec 11.80 delta mag (ΔM) 0.16 Spectral class
Pri motion ra -012 Sec motion ra +071
Pri motion dec -010 Sec motion dec +037
Notes
rPM=1.191
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3177-02548-1 Gaia DR2 1969050369866374144