18368-2617 RST3187AC

 
 
18h 36m 48.23s -26 17' 21.6" P.A. 41 sep 12.6 mag 8.47,13.80 Sp G3V+M dist. 46.43 pc (151.45 l.y.)
 
 
Coord 2000
18368-2617
Discov num
RST3187
Comp
AC
Coord arcsec 2000
18 36 48.23 -26 17 21.6
Date first
1950
Date last
2010
Obs
7
Pa first
41
Pa last
41
P.A. Now (θ)
41°
Sep first
13.1
Sep last
12.6
Sep. Now (ρ)
12.6"
Mag pri
8.47
Mag sec
13.80
delta mag (ΔM)
5.33
Spectral class
G3V+M (yellow/red)
Pri motion ra
-043
Sec motion ra
Pri motion dec
-040
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18368-2617 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 187041 18368-2617 RST3187 AB 1934 2015 18 56 0.1 8.47 8.96 0.49 Y
Show 187041 18368-2617 RST3187 AC 1950 2010 7 41 12.6 8.47 13.80 5.33 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
187041
HIP
91253
Tycho2
6866-00039-1
HD
171595
CD
CD-2613320
CP
CP-26 6518
Distance
46.43
Distance ly
151.45
last precise pa
41.1
last precise sep
12.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18368-2617 RST3187 AC 2010 5 41 12.6 8.47 13.80 G3V+M 183648.23-261721.6

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