21099+4422 STF 2772

 
 
21h 09m 54.83s +44° 21' 30.9" P.A. 224.00 sep 12.4 mag 9.51,10.93 Sp M1
 
 
Coord 2000 21099+4422 Discov num STF2772 Comp Coord arcsec 2000 21 09 54.83 +44 21 30.9
Date first 1895 Date last 2016 Obs 17
Pa first 230 Pa last 224.2 P.A. Now (θ) 224.2°
Sep first 10.9 Sep last 12.437 Sep. Now (ρ) 12.437"
Mag pri 9.51 Mag sec 10.93 delta mag (ΔM) 1.42 Spectral class M1 (red)
Pri motion ra -125 Sec motion ra -006
Pri motion dec -005 Sec motion dec -003
Notes
rPM=0.951
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3180-00249-1 Gaia DR2 1970285636829305344