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Doubles in session


Current system
21238+4710
A 765 AB,C


Nearby doubles
22' : 21258+4658
OL 221

32' : 21247+4640
KPP1079

34' : 21263+4732
TDT2966

36' : 21256+4741
ES 679

41' : 21254+4633
SKF1392

42' : 21204+4733
A 762

46' : 21282+4713
ES 1171AB

47' : 21241+4623
TOI1324

51' : 21242+4801
SKF2397

52' : 21246+4801
HJ 1644AB

53' : 21259+4622
ES 1170AB

57' : 21278+4748
ES 680

57' : 21291+4727
TDS1130

59' : 21240+4611
SKF1391

60' : 21212+4804
ES 678

64' : 21297+4732
A 767

65' : 21292+4629
ES 1274AB

66' : 21185+4747
HJ 1635AB

68' : 21304+4717
ES 516

71' : 21170+4704
COU2437

71' : 21254+4818
ES 1102AB

72' : 21303+4740
COU2440

75' : 21296+4626
HDS3059

75' : 21311+4701
CLZ 80

77' : 21306+4742
ES 824

78' : 21282+4607
TDT2981



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 21238+4710 : COMPONENTS
 
 
  A B C
B pa=15.1°
sep=0.53"
 
C pa=22.4°
sep=26.18"
pa=22.6°
sep=25.66"
 
D pa=16.7°
sep=31.15"
pa=16.7°
sep=30.62"
pa=349.3°
sep=5.74"
 
 
21238+4710 A
 
 
Name HD 203938 Coord arcsec 2000 212350.18+470952.4 Mag 9.02 Spectral class B0V (blue-white)
PmRA 0.00 PmDE -6.0 SAO 50792 HIP 105640
HD 203938 BD BD+46 3294
SAO
SAO 50792 DelFlag RA1950 PmRA1950 -0.0011
DE1950 PmDE1950 -0.009 Vmag 7.4 SpType B2
Double code Source 3 CatNum 1827 DM BD+46 3294
DMcomp BDsup HD 203938 M HD 0
GC RA1950rad 5.59391117 DE1950rad 0.81941666 PmRA2000 -0.0008
PmDE2000 -0.013
Hipparcos
Catalog H HIP 105640 Proxy H RAhms 21 23 50.18
DEdms +47 09 52.4 Vmag 7.08 VarFlag R Vmag H
RAdeg 320.959 DEdeg 47.1646 AstroRef A Plx 0.27
CCDM 21238+4710 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 27 Rho 0.448 HD 203938 BD BD+46 3294
CD CP Dm number +46 3294 VIred 0.47
SpType B0.5IV R SpType Coord arcsec 2000 212350.18+470952.4
Hipparcos 2
HIP 105640 Sn 15 So 3 Nc 2
RArad 5.601792587 DErad 0.8231769118 Plx 0.96 PmRA -2.69
PmDE -5.28 E RArad 0.41 E DErad 0.48 E Plx 0.55
E pmRA 0.53 E pmDE 0.63 Hpmag 7.1732 E Hpmag 0.0009
SHp 0.01 VA 0 BV 0.422 E BV 0.008
VI 0.49
CCDM
Ccdm 21238+4710 RComp Comp A Note1
Note2 Discov num DRAs 2.06 DDEs -7.0
R dRAs 10 Year Theta Rho
Obs 4 Vmag 7.4 Sp B2 PmNote *
PmRA -20 PmDE 4 Dm number +46 3294 Cat1 BD
Name2 +46 1827 Cat2 AGK2/3 HD 203938 M HD
ADS BDS A14944 M ADS BDS N IDS IDS 21202N4644A
HIC 105640
 
 
21238+4710 B
 
 
Coord arcsec 2000 212350.19+470952.9 Mag 7.33 PmRA 0.00 PmDE -6.0
Tycho2 3594-01695-1 Calc delta mag 1.69 Calc coord yes
Tycho2
Tycho2 3594-01695-1 Pflag RAmdeg 320.95908744 DEmdeg 47.16457133
PmRA 0.1 PmDE -6.0 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.45 EpDEm 1991.51
Num 12 Q RAmdeg 1.5 Q DEmdeg 1.2 Q pmRA 1.5
Q pmDE 1.2 BTmag 7.592 E BTmag 0.015 VTmag 7.157
E VTmag 0.010 Prox 999 TYC T HIP 105640
CCDM AB RAdeg 320.95908722 DEdeg 47.16458528 EpRA 1990 1.69
EpDE 1990 1.72 E RAdeg 4.0 E DEdeg 4.1 Posflg P
Corr 0.0
CCDM
Ccdm 21238+4710 RComp Comp B Note1
Note2 Discov num A 765 DRAs DDEs
R dRAs Year 1958 Theta 032 Rho 0.4
Obs 7 Vmag 8.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14944 M ADS BDS N IDS IDS 21202N4644B
HIC 105640
 
 
21238+4710 C
 
 
Coord arcsec 2000 212351.16+471016.6 Coord calc 212351.16+471016.6 Mag 14 PmRA 15.00
PmDE -29.0 Calc delta mag 4.98
CCDM
Ccdm 21238+4710 RComp Comp C Note1
Note2 Discov num A 765 DRAs DDEs
R dRAs Year 1928 Theta 025 Rho 26.5
Obs 3 Vmag 14.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14944 M ADS BDS N IDS IDS 21202N4644C
HIC
 
 
21238+4710 D
 
 
Coord arcsec 2000 212351.06+471022.2 Mag 14.5 PmRA 8.00 PmDE -2.0
Calc delta mag 5.48 Calc coord yes
CCDM
Ccdm 21238+4710 RComp C Comp D Note1
Note2 Discov num A 765 DRAs DDEs
R dRAs Year 1928 Theta 339 Rho 7.4
Obs 3 Vmag 14.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14944 M ADS BDS N IDS IDS 21202N4644D
HIC