21184+3943 SEI 1497

 
 
21h 18m 24.61s +39° 43' 26.4" P.A. 213.00 sep 10.0 mag 11.33,10.52
 
 
Coord 2000 21184+3943 Discov num SEI1497 Comp Coord arcsec 2000 21 18 24.61 +39 43 26.4
Date first 1895 Date last 2015 Obs 8
Pa first 207 Pa last 212.9 P.A. Now (θ) 212.9°
Sep first 10.0 Sep last 10.019 Sep. Now (ρ) 10.019"
Mag pri 11.33 Mag sec 10.52 delta mag (ΔM) 0.81 Spectral class
Pri motion ra +001 Sec motion ra +000
Pri motion dec -003 Sec motion dec +000
Notes N (See Notes)
rPM=1
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3173-02776-1 Gaia DR2 1965186342408974080