17421+2127 DRD   1

 
 
17H 42M 00.55S +21 27' 12.0" P.A. 354 SEP 17.5 MAG 9.05,14.75 SP K0
 
 
Coord 2000
17421+2127
Discov num
DRD   1
Comp
Coord arcsec 2000
17 42 00.55 +21 27 12.0
Date first
1982
Date last
2007
Obs
3
Pa first
354
Pa last
354
P.A. Now (θ)
354°
Sep first
17.4
Sep last
17.5
Sep. Now (ρ)
17.5"
Mag pri
9.05
Mag sec
14.75
delta mag (ΔM)
5.7
Spectral class
K0 (yellow-orange)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
85331
Tycho2
1563-03054-1
last precise pa
354
last precise sep
17.47