18317+7120 A  1170

 
 
18H 31M 44.53S +71 20' 21.7" P.A. 187 SEP 1 MAG 9.83,12.25 SP F8 DIST. 293.26 PC (956.61 L.Y.)
 
 
Coord 2000
18317+7120
Discov num
A  1170
Comp
Coord arcsec 2000
18 31 44.53 +71 20 21.7
Date first
1905
Date last
1991
Obs
7
Pa first
177
Pa last
187
P.A. Now (θ)
187°
Sep first
0.8
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
9.83
Mag sec
12.25
delta mag (ΔM)
2.42
Spectral class
F8 (yellow-white)
Pri motion ra
-003
Sec motion ra
-007
Pri motion dec
+002
Sec motion dec
+003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
SAO
9153
HIP
90829
Tycho2
4438-01820-1
BD
BD+71 898
Distance
293.26
Distance ly
956.61
last precise pa
186.6
last precise sep
0.95