17381+3939 CRB 122

 
 
17h 38m 08.57s +39° 39' 15.4" P.A. 158.00 sep 21.2 mag 16.30,19.20
 
 
Coord 2000 17381+3939 Discov num CRB 122 Comp Coord arcsec 2000 17 38 08.57 +39 39 15.4
Date first 1999 Date last 2016 Obs 8
Pa first 158 Pa last 157.6 P.A. Now (θ) 157.6°
Sep first 21.2 Sep last 21.183 Sep. Now (ρ) 21.183"
Mag pri 16.30 Mag sec 19.20 delta mag (ΔM) 2.9 Spectral class
Pri motion ra -049 Sec motion ra -050
Pri motion dec +144 Sec motion dec +144
Notes V (Proper motion indicates physical)
rPM=0.007 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 1343870085526849024