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Doubles in session


Current system
21072+4744
ES 817 AB
HD 201320


Nearby doubles
9' : 21066+4739
ES 32

12' : 21063+4751
BUP9010AB

16' : 21057+4748
BU 158AB

21' : 21092+4737
TDT2786

22' : 21055+4758
ES 816

26' : 21077+4718
A 759

28' : 21100+4745
A 761

33' : 21090+4716
ES 512AB

34' : 21105+4742
BU 159AB

35' : 21089+4815
ARG 42AB

37' : 21068+4708
ES 1169

37' : 21043+4806
ARN 51

39' : 21100+4811
RAO 448

40' : 21065+4823
BU 836AB

41' : 21070+4704
BRT1142

45' : 21097+4820
COU2545

46' : 21105+4713
TDT2803

54' : 21102+4828
KPP4226

54' : 21103+4828
TOI1343

57' : 21019+4802
COU2650

59' : 21016+4730
HDS2997

60' : 21099+4651
SMA 129

60' : 21109+4658
GIC 166AB

61' : 21088+4646
SMA 127

63' : 21011+4738
RAO 446

64' : 21037+4652
YSC 14



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 21072+4744 : COMPONENTS
 
 
  A B C
B pa=353.2°
sep=9.94"
 
C pa=351.2°
sep=21.94"
pa=349.7°
sep=12.01"
 
D pa=81.9°
sep=16.03"
pa=114.0°
sep=18.67"
pa=135.3°
sep=27.31"
 
 
21072+4744 A
 
 
Name HD 201320 Coord arcsec 2000 210713.36+474403.5 Mag 7.33 Spectral class A2V (white)
PmRA 7.00 PmDE 9.0 SAO 50471 HIP 104245
Tycho2 3592-01058-1 HD 201320 GC 29535 ADS 14665
BD BD+47 3297
Tycho2
Tycho2 3592-01058-1 Pflag RAmdeg 316.80570552 DEmdeg 47.73432332
PmRA 7.2 PmDE 11.0 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.4 EpRAm 1991.52 EpDEm 1991.67
Num 11 Q RAmdeg 1.0 Q DEmdeg 1.5 Q pmRA 1.1
Q pmDE 1.4 BTmag 7.365 E BTmag 0.015 VTmag 7.325
E VTmag 0.010 Prox 999 TYC T HIP 104245
CCDM RAdeg 316.80568083 DEdeg 47.73429806 EpRA 1990 1.72
EpDE 1990 1.81 E RAdeg 4.2 E DEdeg 4.3 Posflg
Corr 0.1
SAO
SAO 50471 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 0.012 Vmag 7.1 SpType A0
Double code Source 70 CatNum 29535 DM BD+47 3297
DMcomp BDsup HD 201320 M HD 0
GC 29535 RA1950rad 5.52177025 DE1950rad 0.82958956 PmRA2000 -0.0007
PmDE2000 0.009
Hipparcos
Catalog H HIP 104245 Proxy RAhms 21 07 13.36
DEdms +47 44 03.5 Vmag 7.33 VarFlag R Vmag G
RAdeg 316.806 DEdeg 47.7343 AstroRef Plx 3.03
CCDM 21072+4744 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 201320 BD BD+47 3297
CD CP Dm number +47 3297 VIred 0.06
SpType A0V R SpType Coord arcsec 2000 210713.36+474403.5
Hipparcos 2
HIP 104245 Sn 5 So 0 Nc 1
RArad 5.529302163 DErad 0.8331205992 Plx 2.45 PmRA 7.26
PmDE 8.87 E RArad 0.45 E DErad 0.45 E Plx 0.58
E pmRA 0.6 E pmDE 0.47 Hpmag 7.3526 E Hpmag 0.0009
SHp 0.009 VA 0 BV 0.047 E BV 0.004
VI 0.06
CCDM
Ccdm 21072+4744 RComp Comp A Note1
Note2 Discov num DRAs 1.33 DDEs 3.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.1 Sp A0 PmNote *
PmRA -3 PmDE 19 Dm number +47 3297 Cat1 BD
Name2 +47 1703 Cat2 AGK2/3 HD 201320 M HD
ADS BDS A14665 M ADS BDS N IDS IDS 21038N4720A
HIC 104245
 
 
21072+4744 B
 
 
Coord arcsec 2000 210713.24+474413.4 Mag 11.6 PmRA -7.00 PmDE -8.0
Calc delta mag 4.27 Calc coord yes
CCDM
Ccdm 21072+4744 RComp Comp B Note1
Note2 Discov num ES 817 DRAs DDEs
R dRAs Year 1902 Theta 352 Rho 11.4
Obs 1 Vmag 11.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14665 M ADS BDS N IDS IDS 21038N4720B
HIC 104243
 
 
21072+4744 C
 
 
Coord arcsec 2000 210713.03+474425.2 Mag 15.7 Calc delta mag 8.37 Calc coord yes
 
 
21072+4744 D
 
 
Coord arcsec 2000 210714.93+474405.8 Mag 14.2 PmRA 0.00 PmDE 2.0
Calc delta mag 6.87 Calc coord yes