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Doubles in session


Current system
18309+3417
ABH 100 AD


Nearby doubles
30' : 18332+3420
TDT 935

31' : 18313+3447
POP 152

55' : 18352+3427
CHR 75

57' : 18316+3513
UC 3601

58' : 18349+3347
TDT 944

59' : 18269+3448
UC 3585

63' : 18335+3510
HO 86

63' : 18344+3503
POP 15

65' : 18270+3500
CBL 77

70' : 18357+3452
GII 48

72' : 18295+3307
UC 3592

73' : 18360+3452
TDT 953

75' : 18315+3530
LDS4790

80' : 18295+3259
TDS 925

83' : 18319+3538
COU1151AB

83' : 18370+3452
STF2352AB

86' : 18366+3505
COU1307

87' : 18366+3328
STF2349AB

88' : 18295+3251
COU1149

89' : 18380+3416
CRB 128

89' : 18380+3417
LDS4793

90' : 18377+3346
TDT 963

91' : 18303+3246
SLE 184

91' : 18238+3439
TDT 831

93' : 18236+3356
COU1011

95' : 18345+3540
WSP 3AB



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 18309+3417 : COMPONENTS
 
 
  A Ab B C D
Ab pa=286.0°
sep=0.34"
 
B pa=323.1°
sep=10.83"
pa=324.2°
sep=10.56"
 
C pa=157.1°
sep=24.42"
pa=156.5°
sep=24.64"
pa=152.8°
sep=35.02"
 
D pa=270.5°
sep=29.00"
pa=270.3°
sep=28.67"
pa=249.5°
sep=24.01"
pa=300.6°
sep=44.72"
 
E pa=16.5°
sep=41.86"
pa=17.0°
sep=41.86"
pa=30.3°
sep=36.45"
pa=2.2°
sep=62.67"
pa=45.7°
sep=57.11"
 
 
18309+3417 A
 
 
Coord arcsec 2000 183054.06+341630.9 Mag 9.33 Spectral class F9V (yellow-white) PmRA 6.00
PmDE 2.0 Tycho2 2632-00514-1
Tycho2
Tycho2 2632-00514-1 Pflag RAmdeg 277.72529559 DEmdeg 34.27525323
PmRA 12.1 PmDE 10.9 E RAmdeg 12 E DEmdeg 12
E pmRA 5.0 E pmDE 5.7 EpRAm 1991.49 EpDEm 1991.60
Num 3 Q RAmdeg 2.4 Q DEmdeg 2.4 Q pmRA 2.4
Q pmDE 2.4 BTmag 10.076 E BTmag 0.025 VTmag 9.357
E VTmag 0.018 Prox 250 TYC T HIP
CCDM RAdeg 277.72526139 DEdeg 34.27522806 EpRA 1990 1.61
EpDE 1990 1.70 E RAdeg 12.1 E DEdeg 12.2 Posflg
Corr 0.1
CCDM
Ccdm 18309+3417 RComp Comp A Note1
Note2 Discov num DRAs -0.02 DDEs -28.9
R dRAs 10 Year Theta Rho
Obs 4 Vmag 8.9 Sp PmNote *
PmRA 2 PmDE 9 Dm number +34 3222 Cat1 BD
Name2 +34 1706 Cat2 AGK2/3 HD M HD
ADS BDS A11421 M ADS BDS N IDS IDS 18273N3412A
HIC
 
 
18309+3417 Ab
 
 
Coord arcsec 2000 183054.03+341631.0 Mag 10.1 Calc delta mag 0.3 Calc coord yes
 
 
18309+3417 B
 
 
Coord arcsec 2000 183053.54+341639.6 Mag 10.7 PmRA -1.00 PmDE 3.0
Calc delta mag 0.9 Calc coord yes
CCDM
Ccdm 18309+3417 RComp Comp B Note1
Note2 Discov num STF2335 DRAs DDEs
R dRAs Year 1833 Theta 321 Rho 12.0
Obs 7 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11421 M ADS BDS N IDS IDS 18273N3412B
HIC
 
 
18309+3417 C
 
 
Coord arcsec 2000 183054.83+341608.4 Mag 11 PmRA 3.00 PmDE -9.0
Tycho2 2632-00504-1 Calc delta mag 1.2 Calc coord yes
Tycho2
Tycho2 2632-00504-1 Pflag RAmdeg 277.72916124 DEmdeg 34.26908204
PmRA 5.1 PmDE 6.0 E RAmdeg 33 E DEmdeg 38
E pmRA 4.8 E pmDE 5.5 EpRAm 1986.84 EpDEm 1987.86
Num 4 Q RAmdeg 2.2 Q DEmdeg 2.2 Q pmRA 2.2
Q pmDE 2.1 BTmag 12.127 E BTmag 0.123 VTmag 10.999
E VTmag 0.065 Prox 250 TYC T HIP
CCDM RAdeg 277.72913583 DEdeg 34.26906056 EpRA 1990 1.62
EpDE 1990 1.68 E RAdeg 49.1 E DEdeg 50.0 Posflg
Corr 0.1
CCDM
Ccdm 18309+3417 RComp Comp C Note1
Note2 Discov num STF2335 DRAs DDEs
R dRAs Year 1833 Theta 151 Rho 24.1
Obs 7 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11421 M ADS BDS N IDS IDS 18273N3412C
HIC
 
 
18309+3417 D
 
 
Coord arcsec 2000 183051.72+341631.1 Mag 13.5 PmRA -9.00 PmDE 0.0
Calc delta mag 3.7 Calc coord yes
 
 
18309+3417 E
 
 
Coord arcsec 2000 183055.02+341711.0 Mag 13.58 PmRA 0.00 PmDE -2.0
Calc delta mag 3.78 Calc coord yes