18177+2356 HJ 2831 (HD 341889)

 
 
18h 17m 39.97s +23° 55' 03.8" P.A. 339.00 sep 17.4 mag 10.84,11.80 Sp G5
 
 
Coord 2000 18177+2356 Discov num HJ 2831 Comp Coord arcsec 2000 18 17 39.97 +23 55 03.8
Date first 1830 Date last 2015 Obs 13
Pa first 353 Pa last 338.9 P.A. Now (θ) 338.9°
Sep first 10.0 Sep last 17.416 Sep. Now (ρ) 17.416"
Mag pri 10.84 Mag sec 11.80 delta mag (ΔM) 0.96 Spectral class G5 (yellow)
Pri motion ra +017 Sec motion ra -038
Pri motion dec -018 Sec motion dec +121
Notes
rPM=1.179
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 341889 Constellation Hercules Tycho2 2093-00394-1 Gaia DR2 4578526538741648128
HD 341889