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Doubles in session


Current system
20310+3656
AC 18 AB
44 Cyg


Nearby doubles
4' : 20311+3652
SEI1148

5' : 20313+3654
TOB 188

23' : 20301+3636
KPP4204AB

26' : 20327+3711
SEI1158AB

28' : 20288+3650
SEI1129

33' : 20289+3634
SEI1132

35' : 20323+3726
SEI1156

38' : 20308+3619
TDS1078

38' : 20324+3622
KPP3359

39' : 20288+3628
COU1958

41' : 20297+3733
ES 2509

41' : 20293+3731
WEI 35AB

46' : 20328+3736
TDT2355

50' : 20344+3725
SEI1171

53' : 20308+3749
SEI1146AB

55' : 20340+3737
SEI1170

57' : 20351+3725
SEI1179

58' : 20304+3753
TDT2328

60' : 20262+3712
HO 130

60' : 20321+3558
COU2133AB

62' : 20358+3635
ES 2510

65' : 20263+3728
AG 255

66' : 20322+3552
GRV 350

66' : 20277+3605
ES 2193AB

66' : 20257+3709
ES 2192

66' : 20364+3652
ES 247



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 20310+3656 : COMPONENTS
 
 
  A B C
B pa=161.9°
sep=2.10"
 
C pa=72.1°
sep=13.66"
pa=63.3°
sep=13.82"
 
D pa=168.0°
sep=62.33"
pa=168.2°
sep=60.24"
pa=180.0°
sep=65.17"
 
 
20310+3656 A
 
 
Name 44 Cyg Coord arcsec 2000 203059.23+365609.1 Mag 6.32 Spectral class F5Iab (yellow-white)
PmRA -1.00 PmDE -2.0 SAO 70135 HIP 101214
Tycho2 2697-01634-1 HD 195593 HR 7847 GC 28551
BD BD+36 4105 Flamsteed 44 Cygni Flamsteed name 44 Cyg
Tycho2
Tycho2 2697-01634-1 Pflag RAmdeg 307.74678820 DEmdeg 36.93584255
PmRA -1.3 PmDE -1.9 E RAmdeg 4 E DEmdeg 4
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.52 EpDEm 1991.63
Num 5 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.1 BTmag 7.403 E BTmag 0.015 VTmag 6.321
E VTmag 0.010 Prox 22 TYC T HIP 101214
CCDM A RAdeg 307.74679194 DEdeg 36.93584694 EpRA 1990 1.60
EpDE 1990 1.71 E RAdeg 3.8 E DEdeg 3.6 Posflg P
Corr 0.2
SAO
SAO 70135 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 -0.002 Vmag 6.3 SpType F8p
Double code Source 70 CatNum 28551 DM BD+36 4105
DMcomp BDsup HD 195593 M HD 0
GC 28551 RA1950rad 5.36289926 DE1950rad 0.64169487 PmRA2000 0.0002
PmDE2000 -0.004
Hipparcos
Catalog H HIP 101214 Proxy H RAhms 20 30 59.23
DEdms +36 56 09.1 Vmag 6.21 VarFlag R Vmag G
RAdeg 307.747 DEdeg 36.9358 AstroRef A Plx 2.06
CCDM 20310+3656 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 158 Rho 2.172 HD 195593 BD BD+36 4105
CD CP Dm number +36 4105 VIred 1.2
SpType F5Iab R SpType Coord arcsec 2000 203059.23+365609.1
Hipparcos 2
HIP 101214 Sn 15 So 3 Nc 2
RArad 5.3711947422 DErad 0.6446521868 Plx 0.96 PmRA 0.31
PmDE -4.44 E RArad 0.26 E DErad 0.29 E Plx 0.38
E pmRA 0.29 E pmDE 0.31 Hpmag 6.3529 E Hpmag 0.0009
SHp 0.009 VA 0 BV 0.969 E BV 0.006
VI 1.2
CCDM
Ccdm 20310+3656 RComp Comp A Note1
Note2 Discov num DRAs -0.79 DDEs 8.6
R dRAs 10 Year Theta Rho
Obs 4 Vmag 6.3 Sp F8 PmNote *
PmRA -6 PmDE -11 Dm number +36 4105 Cat1 BD
Name2 +36 2033 Cat2 AGK2/3 HD 195593 M HD
ADS BDS A13949 M ADS BDS N IDS IDS 20272N3636A
HIC 101214
 
 
20310+3656 B
 
 
Coord arcsec 2000 203059.28+365607.1 Mag 10.12 PmRA 0.00 PmDE -4.0
Calc delta mag 3.8 Calc coord yes
CCDM
Ccdm 20310+3656 RComp Comp B Note1
Note2 Discov num AC 18 DRAs DDEs
R dRAs Year 1958 Theta 159 Rho 2.0
Obs 11 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13949 M ADS BDS N IDS IDS 20272N3636B
HIC 101214
 
 
20310+3656 C
 
 
Coord arcsec 2000 203100.31+365613.3 Mag 12.8 Calc delta mag 6.48 Calc coord yes
CCDM
Ccdm 20310+3656 RComp Comp C Note1
Note2 Discov num KUI 98 DRAs DDEs
R dRAs Year 1935 Theta 076 Rho 16.5
Obs 2 Vmag 12.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13949 M ADS BDS N IDS IDS 20272N3636C
HIC
 
 
20310+3656 D
 
 
Coord arcsec 2000 203100.31+365508.1 Mag 12.3 PmRA 0.00 PmDE -2.0
Calc delta mag 5.98 Calc coord yes
CCDM
Ccdm 20310+3656 RComp Comp D Note1
Note2 Discov num AC 18 DRAs DDEs
R dRAs Year 1913 Theta 166 Rho 63.0
Obs 1 Vmag 12.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13949 M ADS BDS N IDS IDS 20272N3636D
HIC