18093+3836 HEI 557

 
 
18H 09M 20.63S +38 36' 30.1" P.A. 281 SEP 1.5 MAG 11.40,11.80
 
 
Coord 2000
18093+3836
Discov num
HEI 557
Comp
Coord arcsec 2000
18 09 20.63 +38 36 30.1
Date first
1970
Date last
1996
Obs
5
Pa first
281
Pa last
281
P.A. Now (θ)
281°
Sep first
1.5
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
11.40
Mag sec
11.80
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-010
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
last precise pa
280.7
last precise sep
1.52