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Doubles in session


Current system
21256+5814
BU 1141


Nearby doubles
26' : 21274+5835
MLR 435

32' : 21275+5747
HJ 1648

41' : 21290+5844
MLR 436AB

41' : 21249+5734
A 766

43' : 21202+5809
STI2566

48' : 21223+5734
A 764AB

48' : 21302+5743
TDT3000

49' : 21232+5859
HDS3048

51' : 21314+5754
ES 1800

52' : 21199+5841
HLM 39

55' : 21193+5837
STF2790AB

56' : 21203+5737
MLB 87

60' : 21246+5715
HEI 881

63' : 21328+5839
HJ 1659AB

65' : 21178+5756
STI2564

69' : 21173+5837
BU 1140AB

70' : 21287+5710
BU 1142

71' : 21234+5923
ES 2709

75' : 21335+5857
MLR 437

80' : 21277+5656
HJ 1649

86' : 21165+5727
STI2562

88' : 21346+5906
STF2810

91' : 21234+5943
TDT2938

91' : 21141+5818
STF2783

91' : 21366+5842
BU 371

93' : 21274+5945
STT 440



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 21256+5814 : COMPONENTS
 
 
  A
B pa=172.4°
sep=3.24"
 
 
21256+5814 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212533.64+581404.6 Mag 7.66 Spectral class A1V (white)
PmRA -3.00 PmDE -32.0 SAO 33422 HIP 105798
Tycho2 3978-01360-1 HD 204321 BD BD+57 2326
Tycho2
Tycho2 3978-01360-1 Pflag RAmdeg 321.39014610 DEmdeg 58.23453687
PmRA -3.9 PmDE -25.5 E RAmdeg 5 E DEmdeg 5
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.36 EpDEm 1991.39
Num 9 Q RAmdeg 0.6 Q DEmdeg 1.6 Q pmRA 0.6
Q pmDE 1.6 BTmag 7.754 E BTmag 0.016 VTmag 7.660
E VTmag 0.011 Prox 999 TYC T HIP 105798
CCDM RAdeg 321.39016333 DEdeg 58.23459611 EpRA 1990 1.63
EpDE 1990 1.65 E RAdeg 4.7 E DEdeg 4.5 Posflg
Corr 0.1
SAO
SAO 33422 DelFlag RA1950 PmRA1950 -0.0013
DE1950 PmDE1950 -0.028 Vmag 7.5 SpType A0
Double code Source 38 CatNum 12190 DM BD+57 2326
DMcomp BDsup HD 204321 M HD 0
GC RA1950rad 5.60302833 DE1950rad 1.01260442 PmRA2000 -0.0009
PmDE2000 -0.032
Hipparcos
Catalog H HIP 105798 Proxy RAhms 21 25 33.64
DEdms +58 14 04.6 Vmag 7.65 VarFlag R Vmag H
RAdeg 321.39 DEdeg 58.2346 AstroRef Plx 5.98
CCDM 21256+5814 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 204321 BD BD+57 2326
CD CP Dm number +57 2326 VIred 0.08
SpType A0 R SpType Coord arcsec 2000 212533.64+581404.6
Hipparcos 2
HIP 105798 Sn 5 So 0 Nc 1
RArad 5.6093165416 DErad 1.0163855068 Plx 4.98 PmRA -1.41
PmDE -27.16 E RArad 0.38 E DErad 0.4 E Plx 0.47
E pmRA 0.38 E pmDE 0.4 Hpmag 7.6919 E Hpmag 0.0012
SHp 0.009 VA 0 BV 0.107 E BV 0.01
VI 0.12
CCDM
Ccdm 21256+5814 RComp Comp A Note1
Note2 Discov num DRAs -2.38 DDEs 4.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp A0 PmNote *
PmRA -10 PmDE -26 Dm number +57 2326 Cat1 BD
Name2 +58 1350 Cat2 AGK2/3 HD 204321 M HD
ADS BDS A14974 M ADS BDS N IDS IDS 21227N5748A
HIC 105798
 
 
21256+5814 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212533.69+581401.4 Mag 13.3 Calc delta mag 5.64
Calc coord yes
CCDM
Ccdm 21256+5814 RComp Comp B Note1
Note2 Discov num BU 1141 DRAs DDEs
R dRAs Year 1889 Theta 166 Rho 3.0
Obs 4 Vmag 13.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14974 M ADS BDS N IDS IDS 21227N5748B
HIC 105798