21122+3828 SMA 137

 
 
21h 12m 19.85s +38° 28' 19.7" P.A. 121.00 sep 9.6 mag 11.20,12.20
 
 
Coord 2000 21122+3828 Discov num SMA 137 Comp Coord arcsec 2000 21 12 19.85 +38 28 19.7
Date first 1923 Date last 2014 Obs 10
Pa first 118 Pa last 121.3 P.A. Now (θ) 121.3°
Sep first 10.5 Sep last 9.616 Sep. Now (ρ) 9.616"
Mag pri 11.20 Mag sec 12.20 delta mag (ΔM) 1 Spectral class
Pri motion ra +009 Sec motion ra +004
Pri motion dec +000 Sec motion dec -002
Notes N (See Notes)
rPM=0.598
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3169-02608-1 Gaia DR2 1965052030192996352