17171+4540 DVG   2

 
 
17H 17M 08.07S +45 39' 31.9" P.A. 256 SEP 22.6 MAG 11.70,11.80
 
 
Coord 2000
17171+4540
Discov num
DVG   2
Comp
Coord arcsec 2000
17 17 08.07 +45 39 31.9
Date first
1893
Date last
2015
Obs
12
Pa first
257
Pa last
256
P.A. Now (θ)
256°
Sep first
22.7
Sep last
22.6
Sep. Now (ρ)
22.6"
Mag pri
11.70
Mag sec
11.80
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+012
Sec motion ra
+122
Pri motion dec
-029
Sec motion dec
-033
Notes
V R (Proper motion indicates physical, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
46608
Tycho2
3508-01107-1
last precise pa
256.1
last precise sep
22.59