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Doubles in session


Current system
20473-2625
BU 153
HD 197889


Nearby doubles
30' : 20465-2652
HJ 5220

34' : 20464-2554
UC 4284

38' : 20456-2653
B 2891

55' : 20444-2548
RST2155

67' : 20424-2626
UC 4263

68' : 20501-2722
HJ 5226

70' : 20516-2548
RST2165

71' : 20461-2516
EHR 17

77' : 20438-2525
UC 4271

79' : 20510-2525
KPP 694

81' : 20435-2524
DBR 323

81' : 20479-2745
STN 53

85' : 20535-2622
RST2167

87' : 20529-2541
HTS 14AB

88' : 20535-2654
RST2166

89' : 20408-2626
UC 4255

92' : 20406-2639
CHR 186

92' : 20406-2615
UC 4254

95' : 20543-2638
RSS 554

101' : 20487-2804
FIN 8

104' : 20543-2710
RST2168

104' : 20507-2759
HDS2971

110' : 20469-2435
B 501

112' : 20396-2704
HJ 5210

112' : 20556-2635
UC 4330

113' : 20542-2730
B 509AB



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 20473-2625 : COMPONENTS
 
 
  A
B pa=248.5°
sep=1.75"
 
 
20473-2625 A
 
 
Componente originario normalizzato AB Name HD 197889 Coord arcsec 2000 204720.08-262454.7 Mag 7.43
Spectral class A1m (white) PmRA 0.00 PmDE 4.0 SAO 189697
HIP 102584 Tycho2 6929-01179-1 HD 197889 GC 28967
ADS 14280 CD CD-2615264 CP CP-26 7103
Tycho2
Tycho2 6929-01179-1 Pflag P RAmdeg 311.83365771 DEmdeg -26.41519048
PmRA -0.4 PmDE 3.5 E RAmdeg 4 E DEmdeg 5
E pmRA 3.0 E pmDE 2.7 EpRAm 1991.71 EpDEm 1991.38
Num 4 Q RAmdeg 0.2 Q DEmdeg 0.2 Q pmRA 0.3
Q pmDE 0.2 BTmag 7.662 E BTmag 0.015 VTmag 7.433
E VTmag 0.011 Prox 18 TYC T HIP 102584
CCDM A RAdeg 311.83370861 DEdeg -26.41518694 EpRA 1990 1.74
EpDE 1990 1.43 E RAdeg 4.1 E DEdeg 5.1 Posflg D
Corr -0.1
SAO
SAO 189697 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 -0.004 Vmag 7.1 SpType A2
Double code Source 70 CatNum 28967 DM CD-2615264
DMcomp BDsup HD 197889 M HD 0
GC 28967 RA1950rad 5.42952548 DE1950rad -0.4642505 PmRA2000 0.0015
PmDE2000 -0.006
Hipparcos
Catalog H HIP 102584 Proxy H RAhms 20 47 20.09
DEdms -26 24 54.7 Vmag 7.13 VarFlag R Vmag H
RAdeg 311.834 DEdeg -26.4152 AstroRef A Plx 8.45
CCDM 20473-2625 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 254 Rho 1.746 HD 197889 BD
CD CD-2615264 CP CP-26 7103 Dm number -2615264 VIred 0.57
SpType A1m... R SpType Coord arcsec 2000 204720.09-262454.7
Hipparcos 2
HIP 102584 Sn 15 So 3 Nc 2
RArad 5.4425249139 DErad -0.4610319838 Plx 8.12 PmRA 6.97
PmDE -0.04 E RArad 0.71 E DErad 0.43 E Plx 0.91
E pmRA 1.02 E pmDE 0.89 Hpmag 7.2405 E Hpmag 0.0013
SHp 0.009 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 20473-2625 RComp Comp A Note1
Note2 Discov num DRAs 2.16 DDEs 5.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.3 Sp A2 PmNote *
PmRA 22 PmDE -4 Dm number -2615264 Cat1 CD
Name2 189697 Cat2 SAO HD 197889 M HD
ADS BDS A14280 M ADS BDS N IDS IDS 20414S2647A
HIC 102584
 
 
20473-2625 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204719.96-262455.3 Mag 9.02 Spectral class A5/F0 (white)
PmRA 0.00 PmDE 4.0 Tycho2 6929-01179-2 Calc delta mag 1.59
Calc coord yes
Tycho2
Tycho2 6929-01179-2 Pflag P RAmdeg 311.83365771 DEmdeg -26.41519048
PmRA -0.4 PmDE 3.5 E RAmdeg 4 E DEmdeg 5
E pmRA 3.0 E pmDE 2.7 EpRAm 1991.71 EpDEm 1991.38
Num 4 Q RAmdeg 0.2 Q DEmdeg 0.2 Q pmRA 0.3
Q pmDE 0.2 BTmag 9.478 E BTmag 0.022 VTmag 9.016
E VTmag 0.019 Prox 18 TYC HIP 102584
CCDM B RAdeg 311.83317972 DEdeg -26.41531250 EpRA 1990 1.73
EpDE 1990 1.44 E RAdeg 9.7 E DEdeg 13.7 Posflg D
Corr -0.1
CCDM
Ccdm 20473-2625 RComp Comp B Note1
Note2 Discov num BU 153 DRAs DDEs
R dRAs Year 1947 Theta 265 Rho 1.6
Obs 26 Vmag 9.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14280 M ADS BDS N IDS IDS 20414S2647B
HIC 102584