17231+1454 BU 1284

 
 
17H 23M 04.99S +14 53' 55.4" P.A. 166 SEP 1.9 MAG 8.94,11.90 SP A2
 
 
Coord 2000
17231+1454
Discov num
BU 1284
Comp
Coord arcsec 2000
17 23 04.99 +14 53 55.4
Date first
1899
Date last
1964
Obs
12
Pa first
180
Pa last
166
P.A. Now (θ)
166°
Sep first
1.2
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
8.94
Mag sec
11.90
delta mag (ΔM)
2.96
Spectral class
A2 (white)
Pri motion ra
+015
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
102784
Tycho2
1003-00015-1
HD
157494
last precise pa
166.4
last precise sep
1.93