18319-1908 BU  966EK

 
 
18h 31m 43.29s -19 07' 02.1" P.A. 26 sep 30.5 mag 8.84,9.77 Sp B7V
 
 
Coord 2000
18319-1908
Discov num
BU  966
Comp
EK
Coord arcsec 2000
18 31 43.29 -19 07 02.1
Date first
1890
Date last
2012
Obs
14
Pa first
26
Pa last
26
P.A. Now (θ)
26°
Sep first
30.7
Sep last
30.5
Sep. Now (ρ)
30.5"
Mag pri
8.84
Mag sec
9.77
delta mag (ΔM)
0.93
Spectral class
B7V (blue-white)
Pri motion ra
-004
Sec motion ra
-005
Pri motion dec
-010
Sec motion dec
-011
Notes
N (See Notes)
rPM=0.117 (< 0.3, Physical double)
This double is physical.
 
 
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
26
Precise sep
30.49
Cdsa2 id
BU 966 EK
Constellation
Sagittarius
Tycho2
6274-01479-1
Ra deg
18.528691666666667
De deg
-19.117250000000002
last precise pa
26
last precise sep
30.49
 
 
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 EK 2002 9 26 30.6 8.84 9.77 N D 183143.29-190702.1
18319-1908 BU 966 EK 2011 10 26 30.9 8.84 9.77 N D 183143.29-190702.1
18319-1908 BU 966 EK 2012 13 26 30.6 8.84 9.77 N D 183143.29-190702.1

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