18256-2724 SIN 109AC

 
 
18h 25m 37.30s -27 24' 31.2" P.A. 86 sep 67.1 mag 9.35,13.90 Sp F0/2V
 
 
Coord 2000
18256-2724
Discov num
SIN 109
Comp
AC
Coord arcsec 2000
18 25 37.30 -27 24 31.2
Date first
1987
Date last
2001
Obs
4
Pa first
84
Pa last
86
P.A. Now (θ)
86°
Sep first
53.1
Sep last
67.1
Sep. Now (ρ)
67.1"
Mag pri
9.35
Mag sec
13.90
delta mag (ΔM)
4.55
Spectral class
F0/2V (yellow-white)
Pri motion ra
-022
Sec motion ra
+039
Pri motion dec
-015
Sec motion dec
+015
Notes
I (Identification uncertain)
rPM=1.627
This double is not physical.
 
 
18256-2724 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18256-2724 COO 225 AB 1896 2001 14 359 5.9 9.35 9.60 0.25
Show 18256-2724 SIN 109 AC 1987 2001 4 86 67.1 9.35 13.90 4.55 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
86.3
Precise sep
67.123
Constellation
Sagittarius
Tycho2
6865-00881-1
HD
169424
last precise pa
86.3
last precise sep
67.123
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18256-2724 SIN 109 AC 1987 1 84 53.1 9.35 9.60 F0/2V 182537.30-272431.2
18256-2724 SIN 109 AC 2001 4 86 67.1 9.35 13.90 F0/2V I 182537.30-272431.2

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