21121+3539 SEI 1441

 
 
21h 12m 03.47s +35° 38' 37.9" P.A. 158.00 sep 13.9 mag 10.44,11.90
 
 
Coord 2000 21121+3539 Discov num SEI1441 Comp Coord arcsec 2000 21 12 03.47 +35 38 37.9
Date first 1896 Date last 2015 Obs 10
Pa first 153 Pa last 157.8 P.A. Now (θ) 157.8°
Sep first 13.9 Sep last 13.924 Sep. Now (ρ) 13.924"
Mag pri 10.44 Mag sec 11.90 delta mag (ΔM) 1.46 Spectral class
Pri motion ra -002 Sec motion ra -007
Pri motion dec -002 Sec motion dec -006
Notes
rPM=0.695
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2714-00323-1 Gaia DR2 1867676321196643200