18319-1908 BU  966JK

 
 
18h 31m 46.33s -19 06' 31.4" P.A. 264 sep 29.9 mag 9.80,9.78 Sp B7
 
 
Coord 2000
18319-1908
Discov num
BU  966
Comp
JK
Coord arcsec 2000
18 31 46.33 -19 06 31.4
Date first
1890
Date last
2011
Obs
8
Pa first
263
Pa last
264
P.A. Now (θ)
264°
Sep first
29.5
Sep last
29.9
Sep. Now (ρ)
29.9"
Mag pri
9.80
Mag sec
9.78
delta mag (ΔM)
0.02
Spectral class
B7 (blue-white)
Pri motion ra
-004
Sec motion ra
-005
Pri motion dec
-004
Sec motion dec
-011
Notes
N (See Notes)
rPM=0.585
Nature of this double is uncertain.
 
 
18319-1908 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show U Sgr 161571 18319-1908 BU 966 AB 1879 2012 17 252 66.2 6.87 9.11 2.24
Show 161571 18319-1908 BU 966 AE 1890 2012 12 281 143.2 6.87 8.84 1.97
Show 161571 18319-1908 BU 966 AG 1893 2012 15 254 429.6 6.87 8.00 1.13
Show 161571 18319-1908 BU 966 AH 1890 2012 10 295 72.1 6.87 10.00 3.13
Show 161571 18319-1908 BU 966 AI 1890 2012 11 194 164.9 6.87 8.99 2.12
Show 161571 18319-1908 BU 966 AR 1890 1999 7 90 77.0 6.87 11.00 4.13
Show 161571 18319-1908 EVS 36 AU 2011 2011 1 127 13.9 6.70 17.42 10.72
Show 161571 18319-1908 EVS 36 AV 2011 2011 1 164 17.1 6.70 17.66 10.96
Show 161571 18319-1908 EVS 36 AW 2011 2011 1 18 19.4 6.70 16.31 9.61
Show 18319-1908 BU 966 Ba,Bb 1880 1991 9 95 0.9 9.11 9.94 0.83
Show 18319-1908 BU 966 BC 1918 2012 8 205 164.9 9.11 9.25 0.14
Show 18319-1908 BU 966 BE 1890 2002 8 302 91.0 9.11 8.84 0.27
Show 18319-1908 BU 966 BH 1890 2012 9 358 50.8 9.11 10.00 0.89
Show 18319-1908 BU 966 BQ 1890 2012 8 199 109.6 9.11 10.20 1.09
Show 18319-1908 BU 966 CD 1879 2012 14 171 11.0 9.25 10.49 1.24
Show 18319-1908 BU 966 CG 1918 2000 6 280 284.3 9.25 8.00 1.25
Show 18319-1908 BU 966 CQ 1890 2012 8 36 56.3 9.25 10.20 0.95
Show 18319-1908 BU 966 EF 1890 2012 14 290 25.4 8.84 9.60 0.76
Show 18319-1908 BU 966 EK 1890 2012 14 26 30.5 8.84 9.77 0.93
Show 18319-1908 BU 966 EL 1836 2012 13 123 21.2 8.84 9.70 0.86
Show 161562 18319-1908 BU 966 GT 1890 2002 9 63 61.2 8.00 9.30 1.30
Show 18319-1908 BU 966 HJ 1890 2012 12 310 44.4 10.00 9.80 0.20
Show 18319-1908 BU 966 IB 1890 2002 9 351 141.3 8.99 9.11 0.12
Show 18319-1908 BU 966 IC 1890 2000 10 264 93.6 8.99 9.25 0.26
Show 18319-1908 BU 966 IQ 1890 2000 8 301 69.4 8.99 10.20 1.21
Show 18319-1908 BU 966 JK 1890 2011 8 264 29.9 9.80 9.78 0.02 <===
Show 18319-1908 BU 966 JM 1890 2012 9 345 70.6 9.80 10.37 0.57
Show 18319-1908 BU 966 KM 1890 2000 7 9 72.0 9.78 10.37 0.59
Show 161570 18319-1908 BU 966 SE 1890 2012 9 142 161.3 8.14 8.84 0.70
21-fold system
20 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
263.6
Precise sep
29.91
Constellation
Sagittarius
last precise pa
263.6
last precise sep
29.91
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18319-1908 BU 966 JK 1999 5 264 29.5 9.80 9.78 N D 183146.33-190631.4
18319-1908 BU 966 JK 2011 6 264 29.9 9.80 9.78 N D 183146.33-190631.4

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