18399-2531 ARG  32AB

 
 
18H 39M 52.28S -25 30' 16.5" P.A. 219 SEP 7.1 MAG 8.60,9.10 SP A0 DIST. 73.53 PC (239.85 L.Y.)
 
 
Coord 2000
18399-2531
Discov num
ARG  32
Comp
AB
Coord arcsec 2000
18 39 52.28 -25 30 16.5
Date first
1862
Date last
1999
Obs
18
Pa first
213
Pa last
219
P.A. Now (θ)
219°
Sep first
7.5
Sep last
7.1
Sep. Now (ρ)
7.1"
Mag pri
8.60
Mag sec
9.10
delta mag (ΔM)
0.5
Spectral class
A0 (white)
Pri motion ra
+000
Sec motion ra
+003
Pri motion dec
-012
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
18399-2531 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 187106 18399-2531 ARG 32 AB 1862 1999 18 219 7.1 8.60 9.10 0.50 <===
Show 187106 18399-2531 ARG 32 AC 1862 1999 14 285 53.3 8.60 8.84 0.24
Show 187106 18399-2531 ARG 32 AD 1862 1999 5 217 80.2 8.60 11.33 2.73
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
187106
HIP
91524
Tycho2
6862-01144-1
HD
172193
CD
CD-2513320
CP
CP-25 6581
Distance
73.53
Distance ly
239.85
last precise pa
219.1
last precise sep
7.115