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Doubles in session


Current system
21492+5031
STF 2832 AB
HD 207661


Nearby doubles
7' : 21487+5035
ES 1105AB

13' : 21495+5019
TDT3180

20' : 21511+5023
HU 694

21' : 21511+5040
ES 827

24' : 21511+5047
TDT3191

37' : 21526+5013
ES 1175

38' : 21524+5054
TDT3210

40' : 21494+5110
AZC 182AB

49' : 21443+5024
TDT3128

52' : 21439+5034
HU 693

57' : 21549+5046
TDT3236

57' : 21495+5127
GII 19

58' : 21552+5030
BLL 56

61' : 21502+5131
COU2655

63' : 21554+5052
TDT3244

64' : 21433+5100
BU 374

65' : 21429+5053
COU2548

66' : 21486+5136
HLD 48

66' : 21558+5052
COU2656

72' : 21417+5026
HJ 1684

74' : 21415+5035
COU2444

75' : 21448+4931
ARG 43AB

76' : 21536+5132
ES 828

77' : 21468+4919
MIU 3

77' : 21573+5029
HDS3120

79' : 21552+4938
RAO 467



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 21492+5031 : COMPONENTS
 
 
  A B C
B pa=212.7°
sep=13.07"
 
C pa=332.6°
sep=39.94"
pa=346.3°
sep=47.81"
 
D pa=110.8°
sep=82.78"
pa=102.3°
sep=86.42"
pa=124.1°
sep=115.66"
 
 
21492+5031 A
 
 
Name HD 207661 Coord arcsec 2000 214914.48+503054.2 Mag 7.77 Spectral class B9IV (blue-white)
PmRA 7.00 PmDE 2.0 HIP 107718 Tycho2 3612-03061-1
BD BD+49 3632
Tycho2
Tycho2 3612-03061-1 Pflag RAmdeg 327.31035386 DEmdeg 50.51507500
PmRA 5.1 PmDE 0.0 E RAmdeg 5 E DEmdeg 5
E pmRA 1.0 E pmDE 1.2 EpRAm 1991.27 EpDEm 1991.37
Num 12 Q RAmdeg 1.0 Q DEmdeg 1.4 Q pmRA 1.1
Q pmDE 1.2 BTmag 7.795 E BTmag 0.015 VTmag 7.768
E VTmag 0.011 Prox 131 TYC T HIP 107718
CCDM A RAdeg 327.31033528 DEdeg 50.51507500 EpRA 1990 1.66
EpDE 1990 1.68 E RAdeg 4.5 E DEdeg 4.8 Posflg
Corr 0.2
Hipparcos
Catalog H HIP 107718 Proxy RAhms 21 49 14.48
DEdms +50 30 54.3 Vmag 7.74 VarFlag R Vmag H
RAdeg 327.31 DEdeg 50.5151 AstroRef A Plx 5.07
CCDM 21492+5031 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 207661 BD BD+49 3632
CD CP Dm number +49 3632 VIred 0.05
SpType A0 R SpType Coord arcsec 2000 214914.48+503054.3
Hipparcos 2
HIP 107718 Sn 95 So 3 Nc 1
RArad 5.7126428871 DErad 0.8816544182 Plx 6.56 PmRA 4
PmDE -1.6 E RArad 1.27 E DErad 1.71 E Plx 1.96
E pmRA 1.59 E pmDE 1.91 Hpmag 7.764 E Hpmag 0.0109
SHp 0.08 VA 0 BV 0.062 E BV 0.011
VI 0.07
CCDM
Ccdm 21492+5031 RComp Comp A Note1
Note2 Discov num DRAs 2.43 DDEs -5.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.8 Sp A0 PmNote *
PmRA -4 PmDE 20 Dm number +49 3632 Cat1 BD
Name2 +50 1699 Cat2 AGK2/3 HD 207661 M HD
ADS BDS A15355 M ADS BDS N IDS IDS 21456N5002A
HIC 107718
 
 
21492+5031 B
 
 
Coord arcsec 2000 214913.74+503043.2 Coord calc 214913.74+503043.2 Mag 8.32 Spectral class A0 (white)
PmRA 8.00 PmDE 1.0 SAO 33781 HIP 107717
Tycho2 3612-03063-1 HD 207661 GC 30561 DM BD+49 3632
Calc delta mag 0.55
Tycho2
Tycho2 3612-03063-1 Pflag RAmdeg 327.30728065 DEmdeg 50.51200568
PmRA 7.9 PmDE 1.2 E RAmdeg 6 E DEmdeg 6
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.26 EpDEm 1991.30
Num 9 Q RAmdeg 1.5 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.2 BTmag 8.355 E BTmag 0.016 VTmag 8.324
E VTmag 0.012 Prox 131 TYC T HIP 107717
CCDM B RAdeg 327.30725167 DEdeg 50.51200278 EpRA 1990 1.66
EpDE 1990 1.67 E RAdeg 5.7 E DEdeg 6.0 Posflg
Corr 0.2
SAO
SAO 33781 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 0.013 Vmag 7.8 SpType A0
Double code Source 70 CatNum 30561 DM BD+49 3632
DMcomp B BDsup HD 207661 M HD 0
GC 30561 RA1950rad 5.70464966 DE1950rad 0.87757736 PmRA2000 0.0013
PmDE2000 0.01
Hipparcos
Catalog H HIP 107717 Proxy RAhms 21 49 13.74
DEdms +50 30 43.2 Vmag 8.31 VarFlag R Vmag H
RAdeg 327.307 DEdeg 50.512 AstroRef B Plx 4.73
CCDM 21492+5031 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD 207661 BD
CD CP Dm number VIred 0.06
SpType A0 R SpType Coord arcsec 2000 214913.74+503043.2
Hipparcos 2
HIP 107717 Sn 95 So 3 Nc 1
RArad 5.7125894345 DErad 0.8816006891 Plx 5.18 PmRA 0.43
PmDE 0.57 E RArad 1.82 E DErad 2.41 E Plx 2.68
E pmRA 2.38 E pmDE 2.69 Hpmag 8.3556 E Hpmag 0.0154
SHp 0 VA 0 BV 0.053 E BV 0.017
VI 0.07
CCDM
Ccdm 21492+5031 RComp Comp B Note1
Note2 Discov num STF2832 DRAs 1.76 DDEs -17.0
R dRAs 10 Year 1832 Theta 213 Rho 13.1
Obs 7 Vmag 8.3 Sp PmNote *
PmRA 5 PmDE 4 Dm number Cat1
Name2 +50 1698 Cat2 AGK2/3 HD M HD
ADS BDS A15355 M ADS BDS N IDS IDS 21456N5002B
HIC 107717
 
 
21492+5031 C
 
 
Coord arcsec 2000 214912.55+503129.7 Mag 11 PmRA 12.00 PmDE 9.0
Calc delta mag 3.23 Calc coord yes
CCDM
Ccdm 21492+5031 RComp Comp C Note1
Note2 Discov num STF2832 DRAs DDEs
R dRAs Year 1912 Theta 319 Rho 45.9
Obs 1 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15355 M ADS BDS N IDS IDS 21456N5002C
HIC
 
 
21492+5031 D
 
 
Coord arcsec 2000 214922.59+503024.8 Mag 11.37 PmRA -1.00 PmDE -7.0
Calc delta mag 3.6 Calc coord yes