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Doubles in session


Current system
21299+5256
STF 2803 AB
HD 204905


Nearby doubles
24' : 21315+5237
ARY 88AB

25' : 21323+5245
BU 370AB

28' : 21280+5317
HDS3055

33' : 21265+5245
BU 369AB

46' : 21322+5336
TDT3015

46' : 21254+5235
CVR 243

52' : 21251+5229
HU 592

53' : 21316+5346
CBL 94

56' : 21259+5214
CVR 244

60' : 21233+5249
TOI1361

61' : 21241+5227
ES 1006

61' : 21238+5322
KPP 810

67' : 21344+5349
GIC 167

68' : 21353+5210
HU 594AB

69' : 21373+5244
A 1700AB

70' : 21271+5151
CVR 246

71' : 21358+5343
TDT3048

78' : 21227+5214
HU 591

78' : 21224+5218
ES 2708

81' : 21378+5333
TDT3067

82' : 21367+5203
TDT3060

83' : 21372+5346
MLR 609

83' : 21211+5323
ES 139

86' : 21206+5241
MLR 644

87' : 21394+5255
SKF 349

90' : 21211+5337
CVR 240



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 21299+5256 : COMPONENTS
 
 
  A B
B pa=293.4°
sep=16.45"
 
C pa=1.2°
sep=87.57"
pa=11.8°
sep=82.78"
 
 
21299+5256 A
 
 
Name HD 204905 Coord arcsec 2000 212952.95+525601.8 Mag 7.24 Spectral class B9.5IV (blue-white)
PmRA 6.00 PmDE 4.0 SAO 33468 HIP 106132
Tycho2 3966-01479-1 HD 204905 GC 30120 BD BD+52 2953
Tycho2
Tycho2 3966-01479-1 Pflag RAmdeg 322.47065655 DEmdeg 52.93383983
PmRA 5.9 PmDE 3.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.43 EpDEm 1991.50
Num 11 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.0
Q pmDE 1.2 BTmag 7.224 E BTmag 0.015 VTmag 7.240
E VTmag 0.010 Prox 256 TYC T HIP 106132
CCDM RAdeg 322.47063417 DEdeg 52.93383111 EpRA 1990 1.64
EpDE 1990 1.71 E RAdeg 4.0 E DEdeg 4.0 Posflg
Corr 0.1
SAO
SAO 33468 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 0.016 Vmag 7.2 SpType A0
Double code Source 70 CatNum 30120 DM BD+52 2953
DMcomp BDsup HD 204905 M HD 0
GC 30120 RA1950rad 5.62091252 DE1950rad 0.92002848 PmRA2000 0.0014
PmDE2000 0.013
Hipparcos
Catalog H HIP 106132 Proxy RAhms 21 29 52.95
DEdms +52 56 01.8 Vmag 7.25 VarFlag R Vmag H
RAdeg 322.471 DEdeg 52.9338 AstroRef Plx 5.51
CCDM 21299+5256 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 204905 BD BD+52 2953
CD CP Dm number +52 2953 VIred 0
SpType A0 R SpType Coord arcsec 2000 212952.95+525601.8
Hipparcos 2
HIP 106132 Sn 5 So 0 Nc 1
RArad 5.6281742541 DErad 0.9238696312 Plx 5.49 PmRA 5.48
PmDE 3.6 E RArad 0.39 E DErad 0.36 E Plx 0.45
E pmRA 0.41 E pmDE 0.41 Hpmag 7.2552 E Hpmag 0.0011
SHp 0.011 VA 0 BV 0.117 E BV 0.14
VI 0
CCDM
Ccdm 21299+5256 RComp Comp A Note1
Note2 Discov num DRAs -1.06 DDEs 0.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.2 Sp A0 PmNote *
PmRA -2 PmDE -22 Dm number +52 2953 Cat1 BD
Name2 +52 1500 Cat2 AGK2/3 HD 204905 M HD
ADS BDS A15035 M ADS BDS N IDS IDS 21266N5229A
HIC 106132
 
 
21299+5256 B
 
 
Coord arcsec 2000 212951.28+525608.3 Mag 9.6 Spectral class V PmRA -11.00
PmDE -3.0 HIP 106124 BD BD+52 2951 Calc delta mag 2.36
Calc coord yes
Hipparcos
Catalog H HIP 106124 Proxy RAhms 21 29 50.19
DEdms +52 56 07.9 Vmag 9.48 VarFlag R Vmag H
RAdeg DEdeg AstroRef Plx
CCDM 21299+5256 N CCDM I Nsys 2 Ncomp
MultFlag Source Qual S M HIP
Theta Rho HD BD BD+52 2951
CD CP Dm number +52 2951 VIred 0.67
SpType F8 R SpType Coord arcsec 2000 212950.19+525607.9
CCDM
Ccdm 21299+5256 RComp Comp B Note1
Note2 Discov num STF2803 DRAs -3.82 DDEs 7.8
R dRAs 10 Year 1914 Theta 287 Rho 24.8
Obs 8 Vmag 10.3 Sp PmNote *
PmRA -20 PmDE -12 Dm number +52 2951 Cat1 BD
Name2 +52 1499 Cat2 AGK2/3 HD M HD
ADS BDS A15035 M ADS BDS N IDS IDS 21266N5229B
HIC 106124
 
 
21299+5256 C
 
 
Coord arcsec 2000 212953.15+525729.3 Mag 9.99 Spectral class V PmRA 33.00
PmDE 14.0 Calc delta mag 2.75 Calc coord yes