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Doubles in session


Current system
03342+4837
BU 787 AB
HD 21931


Nearby doubles
17' : 03355+4847
BVD 190

25' : 03319+4844
PAT 41

25' : 03367+4840
HU 102

36' : 03315+4900
MET 28AB

38' : 03322+4908
PAT 42

41' : 03304+4825
PAT 39

41' : 03372+4905
ES 54

42' : 03321+4801
BAG 40

47' : 03377+4807
HLD 9AB

53' : 03316+4752
STT 56AB

55' : 03395+4849
SKF2402

57' : 03290+4814
PAT 38

59' : 03283+4840
SKF2335AB

60' : 03285+4857
ES 1136

63' : 03373+4743
TDS2602

64' : 03406+4842
J 891

67' : 03276+4825
PAT 34

67' : 03288+4916
PAT 37

69' : 03351+4945
MET 29AB

69' : 03284+4915
PAT 36

72' : 03294+4931
BU 1179

75' : 03378+4943
WFC 250

75' : 03329+4951
PAT 43

79' : 03306+4947
HLD 8

80' : 03264+4820
PAT 33

84' : 03426+4833
BVD 191



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 03342+4837 : COMPONENTS
 
 
  A B D
B pa=302.8°
sep=3.74"
 
D pa=180.7°
sep=34.47"
pa=175.7°
sep=36.60"
 
E pa=20.3°
sep=163.06"
pa=21.6°
sep=162.29"
pa=16.9°
sep=195.87"
 
 
03342+4837 A
 
 
Name HD 21931 Coord arcsec 2000 033412.97+483702.9 Mag 7.38 Spectral class B9.5V (blue-white)
PmRA 23.00 PmDE -27.0 SAO 38946 HIP 16649
Tycho2 3317-00589-1 HD 21931 BD BD+48 949
Tycho2
Tycho2 3317-00589-1 Pflag RAmdeg 53.55402109 DEmdeg 48.61747226
PmRA 22.5 PmDE -27.2 E RAmdeg 5 E DEmdeg 5
E pmRA 1.5 E pmDE 1.6 EpRAm 1991.56 EpDEm 1991.37
Num 9 Q RAmdeg 1.4 Q DEmdeg 0.4 Q pmRA 1.4
Q pmDE 0.3 BTmag 7.396 E BTmag 0.015 VTmag 7.381
E VTmag 0.011 Prox 984 TYC T HIP 16649
CCDM RAdeg 53.55394333 DEdeg 48.61753556 EpRA 1990 1.78
EpDE 1990 1.62 E RAdeg 4.5 E DEdeg 5.0 Posflg
Corr -0.1
SAO
SAO 38946 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 -0.008 Vmag 7.8 SpType A0
Double code Source 3 CatNum 415 DM BD+48 949
DMcomp BDsup HD 21931 M HD 0
GC RA1950rad 0.91910255 DE1950rad 0.84562688 PmRA2000 0.0009
PmDE2000 -0.011
Hipparcos
Catalog H HIP 16649 Proxy RAhms 03 34 12.95
DEdms +48 37 03.1 Vmag 7.35 VarFlag R Vmag G
RAdeg 53.5539 DEdeg 48.6175 AstroRef Plx 3.59
CCDM 03342+4837 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 21931 BD BD+48 949
CD CP Dm number +48 949 VIred 0.05
SpType B9V R SpType Coord arcsec 2000 033412.95+483703.1
Hipparcos 2
HIP 16649 Sn 5 So 0 Nc 1
RArad 0.9346925464 DErad 0.8485361365 Plx 3.83 PmRA 18.84
PmDE -32.17 E RArad 0.51 E DErad 0.49 E Plx 0.72
E pmRA 0.73 E pmDE 0.68 Hpmag 7.3655 E Hpmag 0.0013
SHp 0.011 VA 0 BV 0.038 E BV 0.005
VI 0.05
CCDM
Ccdm 03342+4837 RComp Comp A Note1
Note2 Discov num DRAs 0.95 DDEs 3.1
R dRAs 65 Year Theta Rho
Obs 4 Vmag 7.2 Sp A0 PmNote *
PmRA 23 PmDE -21 Dm number +48 949 Cat1 BD
Name2 +48 415 Cat2 AGK2/3 HD 21931 M HD
ADS BDS A 2609 M ADS BDS N IDS IDS 03272N4817A
HIC 16649
 
 
03342+4837 B
 
 
Coord arcsec 2000 033412.65+483704.9 Mag 11.9 Calc delta mag 4.52 Calc coord yes
CCDM
Ccdm 03342+4837 RComp Comp B Note1 *
Note2 Discov num BU 787 DRAs DDEs
R dRAs Year 1958 Theta 282 Rho 3.8
Obs 12 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2609 M ADS BDS N IDS IDS 03272N4817B
HIC 16649
 
 
03342+4837 D
 
 
Coord arcsec 2000 033412.93+483628.4 Mag 11.75 PmRA 22.00 PmDE 18.0
Calc delta mag 4.37 Calc coord yes
CCDM
Ccdm 03342+4837 RComp Comp D Note1
Note2 Discov num BU 787 DRAs 0.96 DDEs -31.6
R dRAs 65 Year 1958 Theta 178 Rho 35.6
Obs 5 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2609 M ADS BDS N IDS IDS 03272N4817D
HIC
 
 
03342+4837 E
 
 
Coord arcsec 2000 033418.67+483935.9 Mag 8.81 PmRA 21.00 PmDE -28.0
Calc delta mag 1.43 Calc coord yes