17555+2250 GRV 970

 
 
17H 55M 35.57S +22 50' 14.1" P.A. 154 SEP 44.4 MAG 9.78,11.34 SP G0
 
 
Coord 2000
17555+2250
Discov num
GRV 970
Comp
Coord arcsec 2000
17 55 35.57 +22 50 14.1
Date first
1894
Date last
2016
Obs
11
Pa first
154
Pa last
154
P.A. Now (θ)
154°
Sep first
44.1
Sep last
44.4
Sep. Now (ρ)
44.4"
Mag pri
9.78
Mag sec
11.34
delta mag (ΔM)
1.56
Spectral class
G0 (yellow)
Pri motion ra
-056
Sec motion ra
-054
Pri motion dec
-021
Sec motion dec
-022
Notes
N W (See Notes, )
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
2090-01645-1
last precise pa
153.7
last precise sep
44.379