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Doubles in session


Current system
18019-2247
BU 283 AB
NSV9996


Nearby doubles
14' : 18011-2252
ARA1835

16' : 18030-2252
TDS 898

16' : 18030-2243
RSS 468

17' : 18024-2302
H N 40AB

21' : 18030-2233
ARA1838AB

23' : 18027-2306
RST3151

24' : 18004-2235
DON 877

24' : 18034-2237
ARA1839

24' : 18004-2258
ARA1834

27' : 18015-2221
ARA1836

27' : 18039-2247
ARA1840

29' : 18039-2250
B 2430

32' : 18022-2318
B 2851

32' : 18003-2224
TDT 627

35' : 18043-2239
LYS 32

36' : 18041-2230
ARA1841

37' : 18042-2230
S 698AB

37' : 18042-2231
ARA1843

39' : 18018-2208
ARA1837

40' : 17594-2228
SNA 76AB

44' : 17590-2231
SNA 75AB

46' : 17587-2232
B 367

49' : 17591-2218
ARA1833

51' : 18054-2300
LYS 33AB

52' : 18004-2333
RST3146

54' : 17581-2249
ARA1832



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 18019-2247 : COMPONENTS
 
 
  A B C
B pa=235.9°
sep=7.84"
 
C pa=31.3°
sep=13.32"
pa=40.4°
sep=20.71"
 
D pa=264.8°
sep=22.63"
pa=278.3°
sep=16.22"
pa=245.5°
sep=32.38"
 
 
18019-2247 A
 
 
Name NSV9996 Coord arcsec 2000 180154.38-224649.0 Mag 5.77 Spectral class B0Iab/Ib (blue-white)
PmRA 1.00 PmDE -2.0 SAO 186135 HIP 88298
Tycho2 6842-00111-1 HD 164402 HR 6716 GC 24526
BD BD-22 4503 CD CD-2212441 CP CP-22 6547
Tycho2
Tycho2 6842-00111-1 Pflag RAmdeg 270.47658423 DEmdeg -22.78029493
PmRA -0.1 PmDE -2.0 E RAmdeg 3 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.55 EpDEm 1991.29
Num 26 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.9
Q pmDE 1.3 BTmag 5.671 E BTmag 0.014 VTmag 5.736
E VTmag 0.009 Prox 999 TYC T HIP 88298
CCDM RAdeg 270.47658444 DEdeg -22.78029028 EpRA 1990 1.89
EpDE 1990 1.86 E RAdeg 3.4 E DEdeg 3.8 Posflg
Corr 0.1
SAO
SAO 186135 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.009 Vmag 5.7 SpType B0
Double code Source 70 CatNum 24526 DM BD-22 4503
DMcomp BDsup HD 164402 M HD 0
GC 24526 RA1950rad 4.70748144 DE1950rad -0.39760098 PmRA2000 -0.0002
PmDE2000 -0.008
Hipparcos
Catalog H HIP 88298 Proxy RAhms 18 01 54.38
DEdms -22 46 49.0 Vmag 5.72 VarFlag 1 R Vmag G
RAdeg 270.477 DEdeg -22.7803 AstroRef Plx -0.14
CCDM 18019-2247 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 164402 BD BD-22 4503
CD CD-2212441 CP CP-22 6547 Dm number -22 4503 VIred 0.06
SpType B0Iab... R SpType Coord arcsec 2000 180154.38-224649.0
Hipparcos 2
HIP 88298 Sn 5 So 0 Nc 1
RArad 4.7207069935 DErad -0.3975910778 Plx -0.14 PmRA 0.61
PmDE -1.63 E RArad 0.34 E DErad 0.19 E Plx 0.35
E pmRA 0.41 E pmDE 0.19 Hpmag 5.7321 E Hpmag 0.001
SHp 0.008 VA 0 BV -0.03 E BV 0.003
VI 0.06
CCDM
Ccdm 18019-2247 RComp Comp A Note1
Note2 Discov num DRAs 0.56 DDEs 11.2
R dRAs 41 Year Theta Rho
Obs 3 Vmag 5.7 Sp B0 PmNote *
PmRA -1 PmDE -9 Dm number -22 4503 Cat1 BD
Name2 186135 Cat2 SAO HD 164402 M HD
ADS BDS A10983 M ADS BDS N IDS IDS 17558S2247A
HIC 88298
 
 
18019-2247 B
 
 
Coord arcsec 2000 180153.91-224653.4 Mag 12.8 Calc delta mag 7.03 Calc coord yes
CCDM
Ccdm 18019-2247 RComp Comp B Note1
Note2 Discov num BU 283 DRAs DDEs
R dRAs Year 1878 Theta 238 Rho 8.2
Obs 6 Vmag 12.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10983 M ADS BDS N IDS IDS 17558S2247B
HIC 88298
 
 
18019-2247 C
 
 
Coord arcsec 2000 180154.88-224637.6 Mag 14 PmRA 71.00 PmDE 117.0
Calc delta mag 8.23 Calc coord yes
CCDM
Ccdm 18019-2247 RComp Comp C Note1
Note2 Discov num BU 283 DRAs DDEs
R dRAs Year 1892 Theta 034 Rho 14.1
Obs 1 Vmag 14.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10983 M ADS BDS N IDS IDS 17558S2247C
HIC
 
 
18019-2247 D
 
 
Coord arcsec 2000 180152.75-224651.1 Mag 14 Calc delta mag 8.23 Calc coord yes