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Doubles in session


Current system
18281-2645
ARY 126 AC
HD 169969


Nearby doubles
6' : 18280-2651
I 1366

9' : 18277-2638
BU 133

16' : 18290-2635
WNO 6

16' : 18292-2640
B 391

33' : 18289-2716
OCC 185

34' : 18286-2717
J 2214

38' : 18307-2700
RST2059

41' : 18275-2725
FIN 267

42' : 18259-2713
RST2050

48' : 18265-2601
J 2212

48' : 18266-2600
J 2213

52' : 18256-2724
COO 225AB

52' : 18257-2726
OCC 186

58' : 18322-2630
SKF2066

63' : 18261-2740
J 2211AB

67' : 18311-2738
J 1632

68' : 18264-2749
B 2865

71' : 18236-2610
HO 566

72' : 18259-2752
RST2051

76' : 18225-2651
JKS 21AB

79' : 18303-2533
B 394

80' : 18296-2803
SKF2128

81' : 18317-2541
OCC 264

81' : 18280-2525
WFC 208
Kaus Borealis

84' : 18239-2746
VVV 4

89' : 18328-2747
KPP 417



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 18281-2645 : COMPONENTS
 
 
  A B
B pa=185.5°
sep=0.26"
 
C pa=138.4°
sep=51.26"
pa=138.2°
sep=51.08"
 
 
18281-2645 A
 
 
Coord arcsec 2000 182806.17-264525.8 Mag 6.4 Spectral class A3/A4V (white) PmRA -9.00
PmDE -36.0 SAO 186843 HIP 90510 Tycho2 6865-02122-1
HD 169938 HR 6914 GC 25184 CD CD-2613192
CP CP-26 6467
Tycho2
Tycho2 6865-02122-1 Pflag RAmdeg 277.02570613 DEmdeg -26.75725232
PmRA -5.1 PmDE -36.7 E RAmdeg 3 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.50 EpDEm 1991.27
Num 24 Q RAmdeg 1.7 Q DEmdeg 1.2 Q pmRA 1.6
Q pmDE 1.4 BTmag 6.459 E BTmag 0.015 VTmag 6.296
E VTmag 0.010 Prox 546 TYC T HIP 90510
CCDM AB RAdeg 277.02571889 DEdeg -26.75716972 EpRA 1990 1.89
EpDE 1990 1.90 E RAdeg 3.4 E DEdeg 4.0 Posflg P
Corr -0.2
SAO
SAO 186843 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 -0.036 Vmag 6.3 SpType A3
Double code Source 70 CatNum 25184 DM CD-2613192
DMcomp BDsup HD 169938 M HD 0
GC 25184 RA1950rad 4.82139444 DE1950rad -0.46755542 PmRA2000 0
PmDE2000 -0.036
Hipparcos
Catalog H HIP 90510 Proxy H RAhms 18 28 06.17
DEdms -26 45 25.8 Vmag 6.28 VarFlag R Vmag G
RAdeg 277.026 DEdeg -26.7572 AstroRef A Plx 12.1
CCDM 18281-2645 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 172 Rho 0.33 HD 169938 BD
CD CD-2613192 CP CP-26 6467 Dm number -2613192 VIred 0.17
SpType A3/A4V R SpType Coord arcsec 2000 182806.17-264525.8
Hipparcos 2
HIP 90510 Sn 15 So 3 Nc 2
RArad 4.8350108648 DErad -0.4670005057 Plx 12.44 PmRA -9.43
PmDE -34.78 E RArad 0.62 E DErad 0.43 E Plx 0.74
E pmRA 0.88 E pmDE 0.52 Hpmag 6.3312 E Hpmag 0.0008
SHp 0.007 VA 0 BV 0.157 E BV 0.003
VI 0.17
CCDM
Ccdm 18281-2645 RComp Comp A Note1
Note2 Discov num DRAs 0.17 DDEs -26.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 6.4 Sp A3 PmNote *
PmRA -9 PmDE -36 Dm number -2613192 Cat1 CD
Name2 186843 Cat2 SAO HD 169938 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 90510
 
 
18281-2645 B
 
 
Coord arcsec 2000 182806.17-264526.1 Mag 9.31 Calc delta mag 2.91 Calc coord yes
CCDM
Ccdm 18281-2645 RComp Comp B Note1
Note2 Discov num HDS DRAs 0.17 DDEs -26.4
R dRAs 82 Year 1991 Theta 172 Rho 0.3
Obs 1 Vmag 9.3 Sp PmNote *
PmRA -9 PmDE -36 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 90510
 
 
18281-2645 C
 
 
Coord arcsec 2000 182808.71-264604.2 Mag 8.7 Spectral class B9V (blue-white) PmRA 2.00
PmDE -3.0 SAO 186845 Tycho2 6865-01636-1 HD 169969
DM CD-2613195 Calc delta mag 2.3 Calc coord yes
Tycho2
Tycho2 6865-01636-1 Pflag RAmdeg 277.03756381 DEmdeg -26.76803738
PmRA 2.0 PmDE -3.7 E RAmdeg 7 E DEmdeg 10
E pmRA 1.6 E pmDE 1.5 EpRAm 1991.23 EpDEm 1990.58
Num 7 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 0.9
Q pmDE 0.7 BTmag 8.835 E BTmag 0.018 VTmag 8.707
E VTmag 0.016 Prox 546 TYC T HIP
CCDM RAdeg 277.03755889 DEdeg -26.76802944 EpRA 1990 1.89
EpDE 1990 1.92 E RAdeg 6.8 E DEdeg 10.0 Posflg
Corr -0.3
SAO
SAO 186845 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 -0.049 Vmag 9 SpType A0
Double code Source 25 CatNum 12793 DM CD-2613195
DMcomp BDsup HD 169969 M HD 0
GC RA1950rad 4.82159804 DE1950rad -0.46775602 PmRA2000 0.0007
PmDE2000 -0.049