17205+3439 POP 218

 
 
17h 20m 29.02s +34° 40' 36.2" P.A. 89.00 sep 30.7 mag 10.43,10.47 Sp F8+F8
 
 
Coord 2000 17205+3439 Discov num POP 218 Comp Coord arcsec 2000 17 20 29.02 +34 40 36.2
Date first 1930 Date last 2017 Obs 18
Pa first 90 Pa last 89.2 P.A. Now (θ) 89.2°
Sep first 30.5 Sep last 30.71 Sep. Now (ρ) 30.71"
Mag pri 10.43 Mag sec 10.47 delta mag (ΔM) 0.04 Spectral class F8+F8 (yellow-white/yellow-white)
Pri motion ra -004 Sec motion ra -005
Pri motion dec -040 Sec motion dec -040
Notes
rPM=0.025 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2600-01629-1 Gaia DR2 1336470887668157824