18311-3259 HWE  43AC

 
 
18h 31m 04.85s -32 59' 20.4" P.A. 339 sep 32.1 mag 5.41,13.00 Sp A3m dist. 88.89 pc (289.96 l.y.)
 
 
Coord 2000
18311-3259
Discov num
HWE  43
Comp
AC
Coord arcsec 2000
18 31 04.85 -32 59 20.4
Date first
1897
Date last
1999
Obs
5
Pa first
337
Pa last
339
P.A. Now (θ)
339°
Sep first
29.3
Sep last
32.1
Sep. Now (ρ)
32.1"
Mag pri
5.41
Mag sec
13.00
delta mag (ΔM)
7.59
Spectral class
A3m (white)
Pri motion ra
-002
Sec motion ra
-022
Pri motion dec
-047
Sec motion dec
-003
Notes
rPM=1.027
This double is not physical.
 
 
18311-3259 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 210257 18311-3259 HWE 43 AB 1877 2016 18 185 3.4 5.41 9.78 4.37
Show 210257 18311-3259 HWE 43 AC 1897 1999 5 339 32.1 5.41 13.00 7.59 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
339.4
Precise sep
32.07
Constellation
Sagittarius
SAO
210257
HIP
90763
Tycho2
7398-01220-1
HD
170479
HR
6936
CD
CD-3313281
CP
CP-33 5124
Distance
88.89
Distance ly
289.96
last precise pa
339.4
last precise sep
32.07
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18311-3259 HWE 43 AC 1938 3 340 31.0 5.41 13.00 A3m 183104.85-325920.4
18311-3259 HWE 43 AC 1999 4 339 32.1 5.41 13.00 A3m 183104.85-325920.4

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