18106-1645 S   700AG

 
 
18h 10m 33.56s -16 44' 57.4" P.A. 297 sep 35.6 mag 8.27,11.30 Sp B1III
 
 
Coord 2000
18106-1645
Discov num
S   700
Comp
AG
Coord arcsec 2000
18 10 33.56 -16 44 57.4
Date first
1876
Date last
2015
Obs
6
Pa first
310
Pa last
297
P.A. Now (θ)
297°
Sep first
15.0
Sep last
35.6
Sep. Now (ρ)
35.6"
Mag pri
8.27
Mag sec
11.30
delta mag (ΔM)
3.03
Spectral class
B1III (blue-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18106-1645 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 161139 18106-1645 S 700 AB 1879 2015 18 292 18.8 8.27 9.73 1.46
Show 161139 18106-1645 S 700 AC 1825 2015 24 353 28.6 8.27 8.59 0.32
Show 161139 18106-1645 ABH 94 AD 1987 2002 4 348 47.3 8.27 14.20 5.93
Show 161139 18106-1645 ABH 94 AE 1987 2002 4 65 57.9 8.27 13.48 5.21
Show 161139 18106-1645 ABH 94 AF 1987 2002 4 49 99.3 8.27 13.07 4.80
Show 161139 18106-1645 S 700 AG 1876 2015 6 297 35.6 8.27 11.30 3.03 <===
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
297
Precise sep
35.6
Constellation
Sagittarius
SAO
161139
Tycho2
6264-01001-1
HD
166286
last precise pa
297
last precise sep
35.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18106-1645 S 700 AG 2002 4 297 35.6 8.27 11.30 B1III N D 181033.56-164457.4
18106-1645 S 700 AG 2015 6 297 35.6 8.27 11.30 B1III N 181033.56-164457.4

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