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Doubles in session


Current system
21265+5245
BU 369 AD


Nearby doubles
15' : 21254+5235
CVR 243

21' : 21251+5229
HU 592

29' : 21241+5227
ES 1006

30' : 21233+5249
TOI1361

32' : 21259+5214
CVR 244

33' : 21299+5256
STF2803AB

36' : 21280+5317
HDS3055

45' : 21238+5322
KPP 810

46' : 21224+5218
ES 2708

46' : 21315+5237
ARY 88AB

47' : 21227+5214
HU 591

53' : 21323+5245
BU 370AB

54' : 21271+5151
CVR 246

54' : 21206+5241
MLR 644

61' : 21200+5259
STF2789AB

62' : 21211+5323
ES 139

65' : 21195+5256
A 1693

65' : 21197+5303
S 786

69' : 21199+5319
A 1695

70' : 21196+5216
HEI 593

70' : 21194+5219
ES 98AB

72' : 21211+5337
CVR 240

73' : 21322+5336
TDT3015

73' : 21185+5248
TDT2894

77' : 21316+5346
CBL 94

81' : 21178+5229
SKF 346



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 21265+5245 : COMPONENTS
 
 
  A B C
B pa=19.9°
sep=14.59"
 
C pa=47.2°
sep=35.47"
pa=63.7°
sep=23.47"
 
D pa=341.2°
sep=23.78"
pa=304.8°
sep=15.40"
pa=267.3°
sep=33.72"
 
 
21265+5245 A
 
 
Name HD 204401 Coord arcsec 2000 212629.08+524452.7 Mag 7.59 Spectral class B9.5V (blue-white)
PmRA 11.00 PmDE -5.0 SAO 33431 HIP 105867
Tycho2 3966-00268-1 HD 204401 ADS 14989 BD BD+52 2938
Tycho2
Tycho2 3966-00268-1 Pflag RAmdeg 321.62120687 DEmdeg 52.74795457
PmRA 12.6 PmDE -6.5 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.4 EpRAm 1991.40 EpDEm 1991.54
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 0.9 BTmag 7.576 E BTmag 0.015 VTmag 7.594
E VTmag 0.011 Prox 999 TYC T HIP 105867
CCDM RAdeg 321.62115889 DEdeg 52.74796944 EpRA 1990 1.62
EpDE 1990 1.72 E RAdeg 4.3 E DEdeg 4.4 Posflg
Corr 0.1
SAO
SAO 33431 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 -0.012 Vmag 7.6 SpType B9
Double code Source 37 CatNum 7077 DM BD+52 2938
DMcomp BDsup HD 204401 M HD 0
GC RA1950rad 5.60612924 DE1950rad 0.91682875 PmRA2000 0.0019
PmDE2000 -0.015
Hipparcos
Catalog H HIP 105867 Proxy RAhms 21 26 29.08
DEdms +52 44 52.7 Vmag 7.6 VarFlag R Vmag H
RAdeg 321.621 DEdeg 52.748 AstroRef Plx 4.8
CCDM 21265+5245 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 204401 BD BD+52 2938
CD CP Dm number +52 2938 VIred 0.02
SpType B9 R SpType Coord arcsec 2000 212629.08+524452.7
Hipparcos 2
HIP 105867 Sn 5 So 0 Nc 1
RArad 5.6133481135 DErad 0.9206257467 Plx 5.03 PmRA 12.33
PmDE -6.33 E RArad 0.4 E DErad 0.41 E Plx 0.49
E pmRA 0.47 E pmDE 0.47 Hpmag 7.6025 E Hpmag 0.0012
SHp 0.009 VA 0 BV -0.023 E BV 0.01
VI 0
CCDM
Ccdm 21265+5245 RComp Comp A Note1
Note2 Discov num DRAs -1.12 DDEs -8.2
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.8 Sp B9 PmNote *
PmRA -20 PmDE -16 Dm number +52 2938 Cat1 BD
Name2 +52 1494 Cat2 AGK2/3 HD 204401 M HD
ADS BDS A14989 M ADS BDS N IDS IDS 21232N5219A
HIC 105867
 
 
21265+5245 B
 
 
Coord arcsec 2000 212629.63+524506.4 Mag 11.8 PmRA 9.00 PmDE -3.0
Calc delta mag 4.21 Calc coord yes
CCDM
Ccdm 21265+5245 RComp Comp B Note1
Note2 Discov num BU 369 DRAs DDEs
R dRAs Year 1891 Theta 031 Rho 16.3
Obs 5 Vmag 11.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14989 M ADS BDS N IDS IDS 21232N5219B
HIC
 
 
21265+5245 C
 
 
Coord arcsec 2000 212631.95+524516.8 Mag 12.42 PmRA -6.00 PmDE -3.0
Calc delta mag 4.83 Calc coord yes
CCDM
Ccdm 21265+5245 RComp Comp C Note1
Note2 Discov num BU 369 DRAs DDEs
R dRAs Year 1905 Theta 063 Rho 51.0
Obs 2 Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14989 M ADS BDS N IDS IDS 21232N5219C
HIC
 
 
21265+5245 D
 
 
Coord arcsec 2000 212628.23+524515.2 Mag 15.1 PmRA -11.00 PmDE -10.0
Calc delta mag 7.51 Calc coord yes