21105+4000 ALI 1155

 
 
21h 10m 26.90s +40° 00' 14.2" P.A. 305.00 sep 13.4 mag 11.72,12.23
 
 
Coord 2000 21105+4000 Discov num ALI1155 Comp Coord arcsec 2000 21 10 26.90 +40 00 14.2
Date first 1928 Date last 2015 Obs 8
Pa first 298 Pa last 304.7 P.A. Now (θ) 304.7°
Sep first 13.8 Sep last 13.409 Sep. Now (ρ) 13.409"
Mag pri 11.72 Mag sec 12.23 delta mag (ΔM) 0.51 Spectral class
Pri motion ra -017 Sec motion ra -002
Pri motion dec -018 Sec motion dec +001
Notes
rPM=0.978
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3173-02387-1 Gaia DR2 1968204811052521344