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Current system
12081+5528
STF 1603 AB
HD 105421


Nearby doubles
8' : 12085+5535
LDS3040

39' : 12104+5455
ES 73AB

46' : 12034+5507
TDS8196

58' : 12144+5506
HJ 2604

61' : 12052+5624
TDS8216

65' : 12014+5600
STI2278

66' : 12150+5501
HJ 2605

66' : 12007+5544
LDS3035

70' : 12123+5429
VYS 5

71' : 12066+5637
RAO 271

74' : 11595+5532
SHN 147

76' : 11599+5502
KPP1659

86' : 12056+5659
A 1358AB

87' : 12050+5651
HDS1701

91' : 12048+5401
CVR1404

95' : 11579+5453
CVR1393

96' : 12058+5355
CBL 52

97' : 12110+5354
A 1595

99' : 12197+5523
HJ 2608

100' : 12193+5558
CVR 651

106' : 12189+5622
STF1630

112' : 12079+5719
CVR1408

113' : 12154+5702
BLL 29AB
Megrez

114' : 11594+5403
UC 2246

118' : 12158+5351
A 1596

120' : 12049+5331
NSN 624



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 12081+5528 : COMPONENTS
 
 
  A
B pa=78.1°
sep=12.75"
 
 
12081+5528 A
 
 
Name HD 105421 Coord arcsec 2000 120807.07+552750.7 Mag 7.82 Spectral class F8V (yellow-white)
PmRA -178.00 PmDE -21.0 SAO 28253 HIP 59176
Tycho2 3836-00166-1 HD 105421 GC 16580 BD BD+56 1568
Tycho2
Tycho2 3836-00166-1 Pflag RAmdeg 182.02946086 DEmdeg 55.46406950
PmRA -177.4 PmDE -21.5 E RAmdeg 5 E DEmdeg 5
E pmRA 0.8 E pmDE 1.0 EpRAm 1990.89 EpDEm 1991.14
Num 19 Q RAmdeg 1.6 Q DEmdeg 1.4 Q pmRA 1.8
Q pmDE 1.4 BTmag 8.373 E BTmag 0.016 VTmag 7.816
E VTmag 0.010 Prox 223 TYC T HIP 59176
CCDM A RAdeg 182.03019556 DEdeg 55.46411944 EpRA 1990 1.55
EpDE 1990 1.67 E RAdeg 4.7 E DEdeg 4.7 Posflg
Corr -0.1
SAO
SAO 28253 DelFlag RA1950 PmRA1950 -0.0223
DE1950 PmDE1950 -0.02 Vmag 8 SpType F8
Double code Source 70 CatNum 16580 DM BD+56 1568
DMcomp BDsup HD 105421 M HD 0
GC 16580 RA1950rad 3.16610138 DE1950rad 0.97289173 PmRA2000 -0.0218
PmDE2000 -0.015
Hipparcos
Catalog H HIP 59176 Proxy RAhms 12 08 07.25
DEdms +55 27 50.8 Vmag 7.79 VarFlag R Vmag G
RAdeg 182.03 DEdeg 55.4641 AstroRef A Plx 19.47
CCDM 12081+5528 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 105421 BD BD+56 1568
CD CP Dm number +56 1568 VIred 0.59
SpType F8 R SpType Coord arcsec 2000 120807.25+552750.8
Hipparcos 2
HIP 59176 Sn 95 So 3 Nc 1
RArad 3.177026698 DErad 0.9680315781 Plx 20.38 PmRA -177.63
PmDE -18.42 E RArad 1.11 E DErad 1.05 E Plx 1.64
E pmRA 1.43 E pmDE 1.33 Hpmag 7.9609 E Hpmag 0.0379
SHp 0.078 VA 0 BV 0.513 E BV 0.02
VI 0.59
CCDM
Ccdm 12081+5528 RComp Comp A Note1
Note2 Discov num DRAs 1.08 DDEs -9.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp F8 PmNote *
PmRA -178 PmDE -26 Dm number +56 1568 Cat1 BD
Name2 +55 818 Cat2 AGK2/3 HD 105421 M HD
ADS BDS A 8434 M ADS BDS N IDS IDS 12031N5601A
HIC 59176
 
 
12081+5528 B
 
 
Coord arcsec 2000 120808.54+552753.3 Mag 8.26 Spectral class F9V (yellow-white) PmRA -180.00
PmDE -30.0 SAO 28254 HIP 59180 Tycho2 3836-00165-1
HD 105422 GC 16582 BD BD+56 1569 Calc delta mag 0.44
Calc coord yes
Tycho2
Tycho2 3836-00165-1 Pflag RAmdeg 182.04031490 DEmdeg 55.46487645
PmRA -173.2 PmDE -26.2 E RAmdeg 6 E DEmdeg 6
E pmRA 2.9 E pmDE 2.7 EpRAm 1991.51 EpDEm 1991.65
Num 4 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.1 BTmag 8.910 E BTmag 0.017 VTmag 8.258
E VTmag 0.012 Prox 223 TYC T HIP 59180
CCDM B RAdeg 182.04103111 DEdeg 55.46493667 EpRA 1990 1.56
EpDE 1990 1.71 E RAdeg 6.2 E DEdeg 6.0 Posflg
Corr -0.2
SAO
SAO 28254 DelFlag RA1950 PmRA1950 -0.0217
DE1950 PmDE1950 -0.031 Vmag 8.4 SpType F8
Double code Source 70 CatNum 16582 DM BD+56 1569
DMcomp BDsup HD 105422 M HD 0
GC 16582 RA1950rad 3.16630398 DE1950rad 0.97290523 PmRA2000 -0.0212
PmDE2000 -0.026
Hipparcos
Catalog H HIP 59180 Proxy RAhms 12 08 09.85
DEdms +55 27 53.8 Vmag 8.45 VarFlag R Vmag H
RAdeg 182.041 DEdeg 55.4649 AstroRef B Plx 21.54
CCDM 12081+5528 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD 105422 BD BD+56 1569
CD CP Dm number +56 1569 VIred 0.64
SpType F8 R SpType Coord arcsec 2000 120809.85+552753.8
Hipparcos 2
HIP 59180 Sn 95 So 3 Nc 1
RArad 3.1772157276 DErad 0.9680457141 Plx 7.81 PmRA -175.8
PmDE -31.22 E RArad 4.14 E DErad 3.69 E Plx 5.72
E pmRA 5.15 E pmDE 4.67 Hpmag 8.5218 E Hpmag 0.0554
SHp 0 VA 0 BV 0.567 E BV 0.016
VI 0.64
CCDM
Ccdm 12081+5528 RComp Comp B Note1
Note2 Discov num STF1603 DRAs 3.69 DDEs -6.9
R dRAs 10 Year 1838 Theta 082 Rho 22.3
Obs 22 Vmag 8.4 Sp F8 PmNote *
PmRA -173 PmDE -42 Dm number +56 1569 Cat1 BD
Name2 +55 819 Cat2 AGK2/3 HD 105422 M HD
ADS BDS A 8434 M ADS BDS N IDS IDS 12031N5601B
HIC 59180