18319-1908 EVS  36AW

 
 
18h 31m 53.33s -19 07' 30.2" P.A. 18 sep 19.4 mag 6.70,16.31 Sp G1Ib dist. 1538.46 pc (5018.46 l.y.)
 
 
Coord 2000
18319-1908
Discov num
EVS  36
Comp
AW
Coord arcsec 2000
18 31 53.33 -19 07 30.2
Date first
2011
Date last
2011
Obs
1
Pa first
18
Pa last
18
P.A. Now (θ)
18°
Sep first
19.4
Sep last
19.4
Sep. Now (ρ)
19.4"
Mag pri
6.70
Mag sec
16.31
delta mag (ΔM)
9.61
Spectral class
G1Ib (yellow)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
N U (See Notes, Proper motion indicates non-physical)
This double is not 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
 
 
Var name
U Sgr
Constellation
Sagittarius
SAO
161571
HIP
90836
Tycho2
6274-01601-1
HD
170764
HR
6947
BD
BD-19 5047
CP
CP-19 6907
Distance
1538.46
Distance ly
5018.46
last precise pa
18.1
last precise sep
19.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18319-1908 EVS 36 AW 2011 1 18 19.4 6.70 16.31 G1Ib NU 183153.33-190730.2

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