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Doubles in session


Current system
18170-1858
MZA 23 AB


Nearby doubles
3' : 18168-1858
OCC9179

8' : 18165-1856
ARA 466

8' : 18164-1858
B 1885

8' : 18173-1851
ARA 470

17' : 18179-1848
SHJ 263AB

18' : 18166-1842
ARA 468

18' : 18158-1855
OCC 566

18' : 18163-1913
B 2440

20' : 18184-1859
OCC9180

20' : 18180-1842
HWE 42

23' : 18174-1920
B 2863

24' : 18166-1835
DBR 312

25' : 18153-1900
BU 284AB

25' : 18186-1906
OCC9181

26' : 18162-1921
B 2439

29' : 18150-1857
RST3167

29' : 18150-1900
ARA 741

29' : 18180-1834
ARA 473

29' : 18166-1830
DBR 311

30' : 18165-1830
DBR 310

31' : 18156-1835
ARA 465

32' : 18175-1828
RST3170AB

32' : 18150-1912
LEO 15AB

33' : 18187-1837
BU 639AB

33' : 18171-1826
ARA 469

34' : 18147-1847
TOB 272AB



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 18170-1858 : COMPONENTS
 
 
  A Ab B C D
Ab pa=264.9°
sep=0.04"
 
B pa=225.1°
sep=17.03"
pa=225.0°
sep=17.00"
 
C pa=87.8°
sep=4.83"
pa=87.8°
sep=4.88"
pa=54.1°
sep=20.85"
 
D pa=245.9°
sep=5.51"
pa=245.8°
sep=5.47"
pa=35.7°
sep=12.04"
pa=256.1°
sep=10.16"
 
E pa=56.1°
sep=7.02"
pa=56.3°
sep=7.06"
pa=48.3°
sep=23.96"
pa=15.0°
sep=3.86"
pa=60.4°
sep=12.49"
 
 
18170-1858 A
 
 
Coord arcsec 2000 181658.56-185805.1 Mag 7.4 Spectral class B8Ib (blue-white) PmRA 0.00
PmDE -2.0 SAO 161255 Tycho2 6273-00422-1 HD 167659
DM BD-19 4944
Tycho2
Tycho2 6273-00422-1 Pflag RAmdeg 274.24400850 DEmdeg -18.96811041
PmRA -0.4 PmDE -1.6 E RAmdeg 5 E DEmdeg 6
E pmRA 1.3 E pmDE 1.4 EpRAm 1991.31 EpDEm 1991.18
Num 12 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 1.1
Q pmDE 1.4 BTmag 7.539 E BTmag 0.016 VTmag 7.400
E VTmag 0.011 Prox 999 TYC T HIP
CCDM RAdeg 274.24400972 DEdeg -18.96810667 EpRA 1990 1.77
EpDE 1990 1.77 E RAdeg 4.6 E DEdeg 5.6 Posflg
Corr 0.0
SAO
SAO 161255 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 0.003 Vmag 7.5 SpType B2
Double code Source 22 CatNum 7593 DM BD-19 4944
DMcomp BDsup HD 167659 M HD 0
GC RA1950rad 4.77361122 DE1950rad -0.33138348 PmRA2000 0.0001
PmDE2000 0.004
 
 
18170-1858 Ab
 
 
Coord arcsec 2000 181658.56-185805.1 Mag 9.3 Spectral class III Calc delta mag 2.5
Calc coord yes
 
 
18170-1858 B
 
 
Coord arcsec 2000 181657.71-185817.1 Mag 13.5 Calc delta mag 6.7 Calc coord yes
 
 
18170-1858 C
 
 
Coord arcsec 2000 181658.90-185804.9 Mag 12.57 Spectral class III Calc delta mag 5.77
Calc coord yes
 
 
18170-1858 D
 
 
Coord arcsec 2000 181658.21-185807.3 Mag 13.63 Spectral class III Calc delta mag 6.83
Calc coord yes
 
 
18170-1858 E
 
 
Coord arcsec 2000 181658.97-185801.2 Mag 14.01 Spectral class III Calc delta mag 7.21
Calc coord yes