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Doubles in session


Current system
20466+5004
HDS 2959


Nearby doubles
1' : 20465+5005
HDS2958

16' : 20457+4951
TDT2521

25' : 20449+5023
SKF2395

30' : 20496+5008
ES 94AB

32' : 20486+5029
BU 366AB

37' : 20457+5040
STT 412AB

45' : 20421+5013
ES 91AB

45' : 20441+5043
LEP 171

45' : 20422+5020
BU 675AB

45' : 20499+5036
CBL 87

52' : 20496+5047
HDS2968

52' : 20434+4923
STJ 111

53' : 20438+4921
HEI 911

53' : 20483+5054
ES 998

59' : 20418+4929
HEI 910

63' : 20425+4916
ARG 39AB

64' : 20470+4901
HDS2962

69' : 20521+4923
ES 811

72' : 20441+4856
HEI 912

81' : 20383+5023
HU 588AB

85' : 20380+5025
DAM 294

86' : 20378+5018
DAM 293

87' : 20406+4900
ES 509

89' : 20376+5028
L 49

92' : 20405+4855
ES 807

92' : 20511+5125
BU 155AB



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 20466+5004 : COMPONENTS
 
 
  A
B pa=13.8°
sep=0.46"
 
 
20466+5004 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204633.74+500429.8 Mag 11.1 Spectral class A0 (white)
PmRA 2.00 PmDE -5.0 HIP 102520 Tycho2 3582-00359-1
Tycho2
Tycho2 3582-00359-1 Pflag RAmdeg 311.64059645 DEmdeg 50.07494937
PmRA -0.8 PmDE -5.4 E RAmdeg 28 E DEmdeg 29
E pmRA 1.8 E pmDE 1.7 EpRAm 1985.59 EpDEm 1984.81
Num 7 Q RAmdeg 1.2 Q DEmdeg 0.9 Q pmRA 1.2
Q pmDE 0.9 BTmag 11.529 E BTmag 0.073 VTmag 10.764
E VTmag 0.063 Prox 458 TYC T HIP 102520
CCDM AB RAdeg 311.64061389 DEdeg 50.07496917 EpRA 1990 1.67
EpDE 1990 1.72 E RAdeg 43.3 E DEdeg 42.8 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 102520 Proxy H RAhms 20 46 33.74
DEdms +50 04 29.8 Vmag 10.78 VarFlag R Vmag H
RAdeg 311.641 DEdeg 50.0749 AstroRef A Plx 1.17
CCDM 20466+5004 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 21 Rho 0.479 HD BD
CD CP Dm number VIred 0.32
SpType A0 R SpType Coord arcsec 2000 204633.74+500429.8
Hipparcos 2
HIP 102520 Sn 15 So 3 Nc 2
RArad 5.4391541388 DErad 0.8739726286 Plx 1.33 PmRA 0.43
PmDE -4.36 E RArad 1.74 E DErad 1.94 E Plx 2.21
E pmRA 2.2 E pmDE 2.24 Hpmag 10.9268 E Hpmag 0.0048
SHp 0.037 VA 0 BV 0.66 E BV 0.102
VI 0.72
CCDM
Ccdm 20466+5004 RComp Comp A Note1
Note2 Discov num DRAs -2.27 DDEs 29.8
R dRAs 82 Year Theta Rho
Obs 2 Vmag 11.1 Sp A0 PmNote *
PmRA 2 PmDE -5 Dm number Cat1
Name2 +49 1717 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 102520
 
 
20466+5004 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204633.75+500430.2 Mag 12.98 Calc delta mag 1.88
Calc coord yes
CCDM
Ccdm 20466+5004 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.24 DDEs 30.2
R dRAs 82 Year 1991 Theta 21 Rho 0.5
Obs 1 Vmag 13.0 Sp PmNote *
PmRA 2 PmDE -5 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 102520