18399-2531 OCC9182Aa,Ab

 
 
18h 39m 52.28s -25 30' 16.5" sep 0.8 mag 8.90,8.20 Sp A0 dist. 73.53 pc (239.85 l.y.)
 
 
Coord 2000
18399-2531
Discov num
OCC9182
Comp
Aa,Ab
Coord arcsec 2000
18 39 52.28 -25 30 16.5
Date first
1972
Date last
1972
Obs
0
Pa first
-1
Pa last
-1
P.A. Now (θ)
°
Sep first
0.8
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
8.90
Mag sec
8.20
delta mag (ΔM)
0.7
Spectral class
A0 (white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-012
Sec motion dec
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 OCC9182 Aa,Ab 1972 1972 0 0.8 8.90 8.20 0.70 <===
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
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
-1
Precise sep
0.812
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
-1
last precise sep
0.812
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18399-2531 OCC9182 Aa,Ab 1972 0 -1 0.8 8.90 8.20 A0 183952.28-253016.5

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