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Doubles in session


Current system
18034-2237
ARA 1839
HD 164717


Nearby doubles
7' : 18030-2233
ARA1838AB

9' : 18030-2243
RSS 468

12' : 18039-2247
ARA1840

13' : 18041-2230
ARA1841

13' : 18043-2239
LYS 32

14' : 18042-2230
S 698AB

14' : 18042-2231
ARA1843

16' : 18039-2250
B 2430

17' : 18030-2252
TDS 898

24' : 18019-2247
BU 283AB

29' : 18024-2302
H N 40AB

31' : 18015-2221
ARA1836

31' : 18027-2306
RST3151

35' : 18060-2238
BRT1513

36' : 18018-2208
ARA1837

37' : 18011-2252
ARA1835

37' : 18054-2300
LYS 33AB

41' : 18033-2156
TDT 656

41' : 18004-2235
DON 877

42' : 18058-2212
ARA1844

44' : 18055-2312
ARA2211

45' : 18022-2318
B 2851

46' : 18003-2224
TDT 627

47' : 18051-2317
B 375

47' : 18004-2258
ARA1834

48' : 18068-2228
LYS 34



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 18034-2237 : COMPONENTS
 
 
  A
B pa=40.1°
sep=11.98"
 
 
18034-2237 A
 
 
Componente originario normalizzato AB Name HD 164717 Coord arcsec 2000 180324.89-223701.3 Mag 8.18
Spectral class B3nn (blue-white) PmRA 3.00 PmDE -2.0 SAO 186185
Tycho2 6842-00181-1 HD 164717 DM CD-2212481
Tycho2
Tycho2 6842-00181-1 Pflag RAmdeg 270.85373216 DEmdeg -22.61705356
PmRA 2.6 PmDE -2.8 E RAmdeg 6 E DEmdeg 7
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.48 EpDEm 1991.24
Num 9 Q RAmdeg 1.2 Q DEmdeg 0.9 Q pmRA 1.2
Q pmDE 0.9 BTmag 8.138 E BTmag 0.017 VTmag 8.182
E VTmag 0.014 Prox 999 TYC T HIP
CCDM RAdeg 270.85372583 DEdeg -22.61704722 EpRA 1990 1.89
EpDE 1990 1.88 E RAdeg 5.5 E DEdeg 7.1 Posflg
Corr 0.0
SAO
SAO 186185 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 0.041 Vmag 8.5 SpType B3
Double code Source 25 CatNum 12396 DM CD-2212481
DMcomp BDsup HD 164717 M HD 0
GC RA1950rad 4.71408072 DE1950rad -0.39477715 PmRA2000 -0.0004
PmDE2000 0.042
CCDM
Ccdm 18034-2237 RComp Comp A Note1
Note2 Discov num DRAs 0.97 DDEs 0.0
R dRAs 43 Year Theta Rho
Obs 2 Vmag 8.1 Sp B3 PmNote *
PmRA -6 PmDE 41 Dm number -22 4522 Cat1 BD
Name2 Cat2 HD 164717 M HD
ADS BDS M ADS BDS N IDS IDS 17574S2236A
HIC
 
 
18034-2237 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180325.45-223652.1 Mag 12 PmRA 10.00
PmDE 8.0 Calc delta mag 3.82 Calc coord yes
CCDM
Ccdm 18034-2237 RComp Comp B Note1
Note2 Discov num ARA1839 DRAs 1.59 DDEs 9.4
R dRAs 43 Year 1922 Theta 44 Rho 11.7
Obs 2 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17574S2236B
HIC