17083+5051 ES   77AB

 
 
17H 08M 17.08S +50 50' 32.0" P.A. 277 SEP 18.6 MAG 6.45,10.96 SP A1V DIST. 191.57 PC (624.9 L.Y.)
 
 
Coord 2000
17083+5051
Discov num
ES   77
Comp
AB
Coord arcsec 2000
17 08 17.08 +50 50 32.0
Date first
1901
Date last
2008
Obs
16
Pa first
274
Pa last
277
P.A. Now (θ)
277°
Sep first
17.0
Sep last
18.6
Sep. Now (ρ)
18.6"
Mag pri
6.45
Mag sec
10.96
delta mag (ΔM)
4.51
Spectral class
A1V (white)
Pri motion ra
-008
Sec motion ra
-019
Pri motion dec
+026
Sec motion dec
+044
Notes
Nature of this double is uncertain.
 
 
17083+5051 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 30262 17083+5051 CHR 60 Aa,Ab 1985 2007 3 10 0.2 6.46
Show 30262 17083+5051 ES 77 AB 1901 2008 16 277 18.6 6.45 10.96 4.51 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
SAO
30262
HIP
83857
Tycho2
3507-00022-1
HD
155328
HR
6383
BD
BD+51 2178
Distance
191.57
Distance ly
624.9
last precise pa
276.7
last precise sep
18.6