18305+0416 A   583

 
 
18H 30M 32.94S +04 16' 26.6" P.A. 276 SEP 0.2 MAG 9.40,9.90 SP A0
 
 
Coord 2000
18305+0416
Discov num
A   583
Comp
Coord arcsec 2000
18 30 32.94 +04 16 26.6
Date first
1903
Date last
1995
Obs
13
Pa first
298
Pa last
276
P.A. Now (θ)
276°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.40
Mag sec
9.90
delta mag (ΔM)
0.5
Spectral class
A0 (white)
Pri motion ra
-011
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
Tycho2
0454-00594-1
last precise pa
275.8
last precise sep
0.222