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Doubles in session


Current system
21531+6806
STTA 226 AB
HD 208411


Nearby doubles
20' : 21498+6802
MLB1094

28' : 21578+6818
MLB 306

39' : 21598+6758
STF2853AB

43' : 21527+6724
SKF2743

44' : 21576+6842
HAU 28

45' : 21520+6723
TDT3201

48' : 21581+6729
LDS4932

49' : 21455+6745
HU 970

52' : 21580+6722
MLB 307AB

54' : 22026+6816
MLB 310AB

62' : 21599+6719
TDT3280

64' : 21576+6708
HJ 1711AB

67' : 22048+6822
MLB 430

74' : 21403+6823
HU 968

75' : 21399+6808
STF2823

75' : 22048+6735
MLB 369

76' : 22029+6716
MLB1096

77' : 22066+6754
MLB 311

78' : 22057+6840
TDT3333

78' : 21511+6650
HU 972

79' : 21480+6920
STF2835

79' : 22068+6828
TDT3344

83' : 21491+6648
STF2836AB

83' : 21542+6644
LEP 103

83' : 22038+6710
TDS1155

87' : 21391+6846
MLB 305



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 21531+6806 : COMPONENTS
 
 
  A B C
B pa=244.8°
sep=76.05"
 
C pa=206.4°
sep=117.68"
pa=167.3°
sep=74.79"
 
D pa=218.6°
sep=104.37"
pa=175.7°
sep=49.32"
pa=331.9°
sep=26.96"
 
 
21531+6806 A
 
 
Name HD 208411 Coord arcsec 2000 215308.19+680626.9 Mag 7.52 Spectral class G8II (yellow)
PmRA -7.00 PmDE -7.0 SAO 19712 HIP 108030
Tycho2 4462-02825-1 HD 208411 GC 30666 BD BD+67 1372
Tycho2
Tycho2 4462-02825-1 Pflag RAmdeg 328.28410584 DEmdeg 68.10746230
PmRA -8.6 PmDE -9.6 E RAmdeg 5 E DEmdeg 5
E pmRA 0.9 E pmDE 1.0 EpRAm 1991.18 EpDEm 1991.35
Num 13 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.9
Q pmDE 1.3 BTmag 8.689 E BTmag 0.017 VTmag 7.517
E VTmag 0.011 Prox 760 TYC T HIP 108030
CCDM RAdeg 328.28415889 DEdeg 68.10748417 EpRA 1990 1.74
EpDE 1990 1.77 E RAdeg 5.2 E DEdeg 5.1 Posflg
Corr 0.0
SAO
SAO 19712 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 -0.011 Vmag 7.6 SpType K0
Double code Source 70 CatNum 30666 DM BD+67 1372
DMcomp BDsup HD 208411 M HD 0
GC 30666 RA1950rad 5.7248095 DE1950rad 1.18457346 PmRA2000 0.0012
PmDE2000 -0.016
Hipparcos
Catalog H HIP 108030 Proxy RAhms 21 53 08.20
DEdms +68 06 26.9 Vmag 7.41 VarFlag R Vmag H
RAdeg 328.284 DEdeg 68.1075 AstroRef Plx 1.92
CCDM 21531+6806 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 208411 BD BD+67 1372
CD CP Dm number +67 1372 VIred 0.99
SpType G8II R SpType Coord arcsec 2000 215308.20+680626.9
Hipparcos 2
HIP 108030 Sn 5 So 0 Nc 1
RArad 5.7296394267 DErad 1.1886998101 Plx 2.37 PmRA -7.43
PmDE -6.65 E RArad 0.41 E DErad 0.42 E Plx 0.46
E pmRA 0.6 E pmDE 0.47 Hpmag 7.5794 E Hpmag 0.0011
SHp 0.01 VA 0 BV 1.018 E BV 0.012
VI 0.99
CCDM
Ccdm 21531+6806 RComp Comp A Note1
Note2 Discov num DRAs 2.21 DDEs 27.2
R dRAs 10 Year Theta Rho
Obs 4 Vmag 7.6 Sp K0 PmNote *
PmRA -6 PmDE 5 Dm number +67 1372 Cat1 BD
Name2 +67 981 Cat2 AGK2/3 HD 208411 M HD
ADS BDS B11361 M ADS BDS N IDS IDS 21509N6738A
HIC 108030
 
 
21531+6806 B
 
 
Coord arcsec 2000 215255.89+680554.5 Coord calc 215255.89+680554.5 Mag 8.91 Spectral class A3V (white)
PmRA -8.00 PmDE -8.0 SAO 19709 HIP 108008
Tycho2 4462-02852-1 HD 208376 BD BD+67 1370 Calc delta mag 1.39
Tycho2
Tycho2 4462-02852-1 Pflag RAmdeg 328.23287243 DEmdeg 68.09847356
PmRA -9.7 PmDE -7.7 E RAmdeg 8 E DEmdeg 8
E pmRA 1.0 E pmDE 1.0 EpRAm 1990.74 EpDEm 1990.73
Num 13 Q RAmdeg 0.9 Q DEmdeg 0.9 Q pmRA 0.8
Q pmDE 0.8 BTmag 9.045 E BTmag 0.018 VTmag 8.905
E VTmag 0.016 Prox 760 TYC T HIP 108008
CCDM RAdeg 328.23293306 DEdeg 68.09849111 EpRA 1990 1.72
EpDE 1990 1.74 E RAdeg 8.4 E DEdeg 8.0 Posflg
Corr 0.1
SAO
SAO 19709 DelFlag RA1950 PmRA1950 0.0014
DE1950 PmDE1950 -0.005 Vmag 8.7 SpType A
Double code Source 2 CatNum 980 DM BD+67 1370
DMcomp BDsup HD 208376 M HD 0
GC RA1950rad 5.7239224 DE1950rad 1.18442036 PmRA2000 0.0017
PmDE2000 -0.01
Hipparcos
Catalog H HIP 108008 Proxy RAhms 21 52 55.90
DEdms +68 05 54.6 Vmag 8.9 VarFlag R Vmag H
RAdeg 328.233 DEdeg 68.0985 AstroRef Plx 2.64
CCDM 21531+6806 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 208376 BD BD+67 1370
CD CP Dm number +67 1370 VIred 0.35
SpType A3V R SpType Coord arcsec 2000 215255.90+680554.6
Hipparcos 2
HIP 108008 Sn 5 So 0 Nc 1
RArad 5.7287453715 DErad 1.1885428231 Plx 2.89 PmRA -8.15
PmDE -7.11 E RArad 0.53 E DErad 0.48 E Plx 0.55
E pmRA 0.79 E pmDE 0.59 Hpmag 8.9561 E Hpmag 0.0017
SHp 0.014 VA 0 BV 0.15 E BV 0.022
VI 0.17
CCDM
Ccdm 21531+6806 RComp Comp B Note1
Note2 Discov num STT4226 DRAs -10.03 DDEs -5.5
R dRAs 10 Year 1876 Theta 245 Rho 76.2
Obs 9 Vmag 9.6 Sp A PmNote *
PmRA -9 PmDE -2 Dm number +67 1370 Cat1 BD
Name2 +67 980 Cat2 AGK2/3 HD 208376 M HD
ADS BDS B11361 M ADS BDS N IDS IDS 21509N6738B
HIC 108008
 
 
21531+6806 C
 
 
Coord arcsec 2000 215258.82+680441.5 Mag 12.91 PmRA -15.00 PmDE -16.0
Calc delta mag 5.39 Calc coord yes
CCDM
Ccdm 21531+6806 RComp B Comp C Note1
Note2 Discov num STT4226 DRAs DDEs
R dRAs Year 1913 Theta 149 Rho 85.1
Obs 2 Vmag 15.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21509N6738C
HIC
 
 
21531+6806 D
 
 
Coord arcsec 2000 215256.56+680505.3 Mag 13.52 PmRA 96.00 PmDE -93.0
Calc delta mag 6 Calc coord yes
CCDM
Ccdm 21531+6806 RComp Comp D Note1
Note2 Discov num STT4226 DRAs DDEs
R dRAs Year Theta 176 Rho 45.0
Obs 1 Vmag 14.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21509N6738D
HIC