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Doubles in session


Current system
18431-6643
NZO 91
HD 172065


Nearby doubles
12' : 18442-6634
UC 3657

23' : 18421-6705
TDS 935

29' : 18382-6638
LDS 646

39' : 18451-6607
KPP1463

40' : 18463-6608
TDT1046

46' : 18442-6728
UC 3658

46' : 18357-6656
DON 909

58' : 18474-6552
LDS 650

60' : 18342-6617
MLO 5

63' : 18432-6746
DON 916

69' : 18347-6557
I 634

70' : 18411-6752
TDT 992

72' : 18410-6754
TDT 991

73' : 18358-6742
TDT 951

75' : 18514-6548
TDS 950

76' : 18551-6709
UC 3721

76' : 18503-6542
KPP1663

80' : 18315-6605
TDT 926

84' : 18391-6523
SKF 370

86' : 18490-6525
SKF1648

90' : 18317-6742
MLO 81

92' : 18383-6516
RST 993

94' : 18397-6814
TDT 982

94' : 18296-6734
DON 899

95' : 18272-6655
TDT 879

100' : 18591-6717
TDT1165



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 18431-6643 : COMPONENTS
 
 
  A
B pa=172.5°
sep=1.71"
 
 
18431-6643 A
 
 
Componente originario normalizzato AB Name HD 172065 Coord arcsec 2000 184305.51-664256.7 Mag 9.9
Spectral class F0IV (yellow-white) PmRA 13.00 PmDE -3.0 SAO 254347
HIP 91802 Tycho2 9081-00026-1 HD 172065 CP CP-66 3385
Tycho2
Tycho2 9081-00026-1 Pflag P RAmdeg 280.77294690 DEmdeg -66.71575567
PmRA 12.9 PmDE -2.7 E RAmdeg 14 E DEmdeg 13
E pmRA 2.5 E pmDE 2.4 EpRAm 1991.36 EpDEm 1991.42
Num 4 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 10.246 E BTmag 0.024 VTmag 9.901
E VTmag 0.023 Prox 17 TYC T HIP 91802
CCDM A RAdeg 280.77268944 DEdeg -66.71554278 EpRA 1990 1.75
EpDE 1990 1.78 E RAdeg 14.3 E DEdeg 12.8 Posflg D
Corr -0.1
SAO
SAO 254347 DelFlag RA1950 PmRA1950 -0.004
DE1950 PmDE1950 -0.043 Vmag 9.1 SpType G5
Double code Source 61 CatNum 4011 DM CP-66 3385
DMcomp BDsup HD 172065 M HD 0
GC RA1950rad 4.87806068 DE1950rad -1.16527678 PmRA2000 -0.0054
PmDE2000 -0.044
Hipparcos
Catalog H HIP 91802 Proxy H RAhms 18 43 05.45
DEdms -66 42 55.9 Vmag 9.14 VarFlag R Vmag H
RAdeg 280.773 DEdeg -66.7155 AstroRef A Plx 6.29
CCDM 18431-6643 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 162 Rho 1.773 HD 172065 BD
CD CP CP-66 3385 Dm number -66 3385 VIred 0.46
SpType F0IV R SpType Coord arcsec 2000 184305.45-664255.9
Hipparcos 2
HIP 91802 Sn 15 So 3 Nc 2
RArad 4.9004079368 DErad -1.1644058577 Plx 3.99 PmRA 7.7
PmDE -2.94 E RArad 0.89 E DErad 1.42 E Plx 1.74
E pmRA 0.96 E pmDE 1.72 Hpmag 9.2291 E Hpmag 0.0025
SHp 0.025 VA 0 BV 0.391 E BV 0.028
VI 0.46
CCDM
Ccdm 18431-6643 RComp Comp A Note1
Note2 Discov num DRAs -1.28 DDEs -1.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.8 Sp A3 PmNote *
PmRA -24 PmDE -43 Dm number -66 3385 Cat1 CPD
Name2 254347 Cat2 SAO HD 172065 M HD
ADS BDS M ADS BDS N IDS IDS 18328S6648A
HIC 91802
 
 
18431-6643 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184305.55-664258.4 Mag 10.01 PmRA 13.00
PmDE -3.0 HIP 91802 Tycho2 9081-00026-2 Calc delta mag 0.11
Calc coord yes
Tycho2
Tycho2 9081-00026-2 Pflag P RAmdeg 280.77294690 DEmdeg -66.71575567
PmRA 12.9 PmDE -2.7 E RAmdeg 14 E DEmdeg 13
E pmRA 2.5 E pmDE 2.4 EpRAm 1991.36 EpDEm 1991.42
Num 4 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 10.362 E BTmag 0.025 VTmag 10.014
E VTmag 0.025 Prox 17 TYC T HIP 91802
CCDM B RAdeg 280.77309444 DEdeg -66.71599972 EpRA 1990 1.75
EpDE 1990 1.78 E RAdeg 16.1 E DEdeg 14.3 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 91802 Proxy H RAhms 18 43 05.45
DEdms -66 42 55.9 Vmag 9.14 VarFlag R Vmag H
RAdeg 280.773 DEdeg -66.7155 AstroRef A Plx 6.29
CCDM 18431-6643 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 162 Rho 1.773 HD 172065 BD
CD CP CP-66 3385 Dm number -66 3385 VIred 0.46
SpType F0IV R SpType Coord arcsec 2000 184305.45-664255.9
Hipparcos 2
HIP 91802 Sn 15 So 3 Nc 2
RArad 4.9004079368 DErad -1.1644058577 Plx 3.99 PmRA 7.7
PmDE -2.94 E RArad 0.89 E DErad 1.42 E Plx 1.74
E pmRA 0.96 E pmDE 1.72 Hpmag 9.2291 E Hpmag 0.0025
SHp 0.025 VA 0 BV 0.391 E BV 0.028
VI 0.46
CCDM
Ccdm 18431-6643 RComp Comp B Note1
Note2 Discov num NZO 91 DRAs DDEs
R dRAs Year 1915 Theta 162 Rho 1.6
Obs 2 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18328S6648B
HIC 91802