17478+1619 HEI 254

 
 
17H 47M 46.02S +16 19' 03.2" P.A. 274 SEP 2.3 MAG 10.40,11.60 SP K5
 
 
Coord 2000
17478+1619
Discov num
HEI 254
Comp
Coord arcsec 2000
17 47 46.02 +16 19 03.2
Date first
1983
Date last
2005
Obs
3
Pa first
274
Pa last
274
P.A. Now (θ)
274°
Sep first
2.4
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
10.40
Mag sec
11.60
delta mag (ΔM)
1.2
Spectral class
K5 (yellow-orange)
Pri motion ra
+027
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
1552-00420-1
last precise pa
273.9
last precise sep
2.27