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Doubles in session


Current system
20481+2727
BU 66
V402 Vul


Nearby doubles
9' : 20486+2733
MLB 713

24' : 20480+2704
COU 826

26' : 20481+2753
ES 510AB

28' : 20463+2740
MLB 712AB

29' : 20499+2711
HJ 1579

29' : 20461+2740
TDT2527

42' : 20474+2808
BRT3363

52' : 20490+2637
COU 828AB

52' : 20447+2703
TDT2515

56' : 20461+2638
BRT 217

57' : 20496+2819
GRV 385

63' : 20497+2825
MLB 534

64' : 20482+2624
STF2728AB

65' : 20449+2640
STJ 56

65' : 20435+2709
TDT2500

65' : 20503+2631
WSI 119

66' : 20483+2832
GRV 382

66' : 20482+2622
TDT2548AB

69' : 20429+2732
J 513

70' : 20511+2630
TDT2579

73' : 20448+2825
AG 411

75' : 20429+2754
MLB 709

75' : 20494+2840
CBL 86

75' : 20507+2621
KPP3362

76' : 20535+2751
MLB 572

78' : 20425+2704
TDT2484



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 20481+2727 : COMPONENTS
 
 
  A
B pa=170.4°
sep=1.05"
 
 
20481+2727 A
 
 
Componente originario normalizzato AB Name V402 Vul Coord arcsec 2000 204806.26+272725.3 Mag 8.76
Spectral class F0 (yellow-white) PmRA 5.00 PmDE -8.0 HIP 102650
Tycho2 2179-00674-1 HD 198226 BD BD+26 3995
Tycho2
Tycho2 2179-00674-1 Pflag P RAmdeg 312.02609206 DEmdeg 27.45702960
PmRA 5.2 PmDE -7.6 E RAmdeg 7 E DEmdeg 7
E pmRA 1.9 E pmDE 1.9 EpRAm 1991.55 EpDEm 1991.44
Num 5 Q RAmdeg 0.7 Q DEmdeg 1.6 Q pmRA 0.7
Q pmDE 1.5 BTmag 9.192 E BTmag 0.017 VTmag 8.764
E VTmag 0.013 Prox 11 TYC T HIP 102650
CCDM A RAdeg 312.02605667 DEdeg 27.45713417 EpRA 1990 1.74
EpDE 1990 1.64 E RAdeg 7.3 E DEdeg 7.4 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 102650 Proxy H RAhms 20 48 06.25
DEdms +27 27 25.7 Vmag 8.23 VarFlag 2 R Vmag H
RAdeg 312.026 DEdeg 27.4571 AstroRef A Plx 2.85
CCDM 20481+2727 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 167 Rho 1.122 HD 198226 BD BD+26 3995
CD CP Dm number +26 3995 VIred 0.52
SpType F0 R SpType Coord arcsec 2000 204806.25+272725.7
Hipparcos 2
HIP 102650 Sn 15 So 3 Nc 2
RArad 5.4458820037 DErad 0.4792173981 Plx 2.19 PmRA 6.81
PmDE -11.17 E RArad 0.87 E DErad 0.83 E Plx 1.35
E pmRA 0.92 E pmDE 0.75 Hpmag 8.3254 E Hpmag 0.0021
SHp 0.024 VA 1 BV 0.415 E BV 0.016
VI 0.48
CCDM
Ccdm 20481+2727 RComp Comp A Note1
Note2 Discov num DRAs 0.29 DDEs 24.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp F0 PmNote *
PmRA 17 PmDE -28 Dm number +26 3995 Cat1 BD
Name2 +27 2303 Cat2 AGK2/3 HD 198226 M HD
ADS BDS A14312 M ADS BDS N IDS IDS 20438N2705A
HIC 102650
 
 
20481+2727 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204806.27+272724.3 Mag 9.28 PmRA 5.00
PmDE -8.0 Tycho2 2179-00674-2 Calc delta mag 0.52 Calc coord yes
Tycho2
Tycho2 2179-00674-2 Pflag P RAmdeg 312.02609206 DEmdeg 27.45702960
PmRA 5.2 PmDE -7.6 E RAmdeg 7 E DEmdeg 7
E pmRA 1.9 E pmDE 1.9 EpRAm 1991.55 EpDEm 1991.44
Num 5 Q RAmdeg 0.7 Q DEmdeg 1.6 Q pmRA 0.7
Q pmDE 1.5 BTmag 9.795 E BTmag 0.022 VTmag 9.277
E VTmag 0.018 Prox 11 TYC HIP 102650
CCDM B RAdeg 312.02613389 DEdeg 27.45683139 EpRA 1990 1.74
EpDE 1990 1.62 E RAdeg 10.9 E DEdeg 11.1 Posflg D
Corr -0.1
CCDM
Ccdm 20481+2727 RComp Comp B Note1
Note2 Discov num BU 66 DRAs DDEs
R dRAs Year 1959 Theta 168 Rho 1.3
Obs 19 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14312 M ADS BDS N IDS IDS 20438N2705B
HIC 102650