18552+1817 J 2931

 
 
18h 55m 17.75s +18° 16' 07.4" P.A. 143.00 sep 5.3 mag 13.20,11.80
 
 
Coord 2000 18552+1817 Discov num J  2931 Comp Coord arcsec 2000 18 55 17.75 +18 16 07.4
Date first 1944 Date last 2017 Obs 8
Pa first 105 Pa last 143 P.A. Now (θ) 143°
Sep first 3.0 Sep last 5.257 Sep. Now (ρ) 5.257"
Mag pri 13.20 Mag sec 11.80 delta mag (ΔM) 1.4 Spectral class
Pri motion ra -036 Sec motion ra +007
Pri motion dec -020 Sec motion dec -066
Notes U (Proper motion indicates non-physical)
rPM=0.949
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 1588-00094-1 Gaia DR2 4517443647010647296