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Doubles in session


Current system
17554+3930
STF 2246


Nearby doubles
10' : 17562+3926
BU 417

16' : 17541+3928
HLM 9

18' : 17540+3936
KPP 883

21' : 17537+3924
TDT 560

27' : 17575+3942
COU1457

29' : 17538+3951
SLW1216

37' : 17525+3943
COU1302

40' : 17533+4000
BU 130

45' : 17592+3926
COU1458

57' : 17506+3932
COU1301

70' : 17496+3947
GRV 965

75' : 17528+4038
TDT 552

83' : 18017+4011
STF2267

85' : 17512+3821
HU 1183

86' : 18015+4019
HO 77

90' : 17494+4028
COU1456

91' : 18032+3926
MLB 851

92' : 18033+3921
STF2275

95' : 17523+4057
A 699

95' : 17592+3806
DAM 99

97' : 17553+3753
GRV 969

97' : 17550+4107
UC 3444

97' : 17590+4058
BRT 345

98' : 17597+3807
DAM 102

98' : 17487+3832
UC 3416

98' : 17555+4108
ES 1557AB



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 17554+3930 : COMPONENTS
 
 
  A
B pa=102.2°
sep=4.31"
 
 
17554+3930 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 175525.08+392953.5 Mag 9.36 Spectral class G0 (yellow)
PmRA -12.00 PmDE -9.0 HIP 87748 Tycho2 3093-01541-1
BD BD+39 3269
Tycho2
Tycho2 3093-01541-1 Pflag RAmdeg 268.85451891 DEmdeg 39.49820018
PmRA -5.7 PmDE -8.8 E RAmdeg 13 E DEmdeg 11
E pmRA 1.6 E pmDE 1.5 EpRAm 1990.69 EpDEm 1991.05
Num 5 Q RAmdeg 1.8 Q DEmdeg 0.2 Q pmRA 1.8
Q pmDE 0.2 BTmag 9.895 E BTmag 0.024 VTmag 9.365
E VTmag 0.019 Prox 56 TYC T HIP 87748
CCDM A RAdeg 268.85453611 DEdeg 39.49822056 EpRA 1990 1.50
EpDE 1990 1.65 E RAdeg 12.7 E DEdeg 11.1 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 87748 Proxy H RAhms 17 55 25.09
DEdms +39 29 53.6 Vmag 8.9 VarFlag R Vmag H
RAdeg 268.855 DEdeg 39.4982 AstroRef A Plx 9.49
CCDM 17554+3930 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 100 Rho 5.569 HD BD BD+39 3269
CD CP Dm number +39 3269 VIred 0.54
SpType G0... R SpType Coord arcsec 2000 175525.09+392953.6
Hipparcos 2
HIP 87748 Sn 15 So 3 Nc 2
RArad 4.6923968065 DErad 0.6893740053 Plx 8.49 PmRA -8.15
PmDE -5.33 E RArad 0.99 E DErad 0.94 E Plx 1.15
E pmRA 1.19 E pmDE 0.96 Hpmag 9.0126 E Hpmag 0.0019
SHp 0.02 VA 0 BV 0.53 E BV 0.025
VI 0.6
CCDM
Ccdm 17554+3930 RComp Comp A Note1
Note2 Discov num DRAs 1.13 DDEs -6.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp PmNote *
PmRA 0 PmDE -6 Dm number +39 3269 Cat1 BD
Name2 66474 Cat2 SAO HD M HD
ADS BDS A10897 M ADS BDS N IDS IDS 17521N3931A
HIC 87748
 
 
17554+3930 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175525.44+392952.6 Mag 10.02 PmRA -5.00
PmDE -8.0 Tycho2 3093-01950-1 Calc delta mag 0.66 Calc coord yes
Tycho2
Tycho2 3093-01950-1 Pflag RAmdeg 268.85650907 DEmdeg 39.49793545
PmRA -6.1 PmDE -5.8 E RAmdeg 23 E DEmdeg 17
E pmRA 1.8 E pmDE 1.8 EpRAm 1989.58 EpDEm 1990.66
Num 3 Q RAmdeg 3.4 Q DEmdeg 1.0 Q pmRA 3.5
Q pmDE 1.0 BTmag 10.631 E BTmag 0.037 VTmag 10.018
E VTmag 0.030 Prox 56 TYC T HIP 87748
CCDM B RAdeg 268.85652861 DEdeg 39.49794889 EpRA 1990 1.39
EpDE 1990 1.70 E RAdeg 23.1 E DEdeg 17.3 Posflg P
Corr -0.1
CCDM
Ccdm 17554+3930 RComp Comp B Note1
Note2 Discov num STF2246 DRAs 1.61 DDEs -7.4
R dRAs 90 Year 1831 Theta 102 Rho 5.5
Obs 15 Vmag 9.4 Sp PmNote
PmRA 0 PmDE -6 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10897 M ADS BDS N IDS IDS 17521N3931B
HIC 87748