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Doubles in session


Current system
20339+4642
BU 1489 AB
V2015 Cyg


Nearby doubles
9' : 20328+4646
POP 156

12' : 20329+4636
KRV 41

14' : 20349+4651
STTA208AB

15' : 20325+4644
GII 101

16' : 20326+4635
ES 664

17' : 20352+4651
MZA 30AB

17' : 20353+4650
MZA 37AB

19' : 20322+4648
A 736AB

21' : 20335+4702
BKO 155

22' : 20335+4703
A 738AB

37' : 20336+4719
ES 665

38' : 20304+4634
ES 663

51' : 20379+4710
TDT2436

51' : 20360+4555
STJ 103

52' : 20388+4629
BRT2268

62' : 20300+4556
LSC 91

62' : 20338+4540
A 740

65' : 20317+4540
HJ 1533

68' : 20361+4745
HJ 1549

71' : 20334+4752
J 4

72' : 20397+4721
A 748

72' : 20348+4531
ES 805

73' : 20269+4636
KPP4199

76' : 20291+4544
BU 1135

77' : 20287+4737
GRF 17

79' : 20389+4741
A 746



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 20339+4642 : COMPONENTS
 
 
  A Ab
Ab pa=35.0°
sep=0.24"
 
B pa=11.1°
sep=114.16"
pa=11.1°
sep=113.94"
 
 
20339+4642 A
 
 
Name V2015 Cyg Coord arcsec 2000 203354.84+464137.9 Mag 5.75 Spectral class B9pSi (blue-white)
PmRA 10.00 PmDE 2.0 SAO 49804 HIP 101475
Tycho2 3573-01361-1 HD 196178 HR 7870 GC 28642
BD BD+46 2977
Tycho2
Tycho2 3573-01361-1 Pflag RAmdeg 308.47851445 DEmdeg 46.69387647
PmRA 9.3 PmDE 6.2 E RAmdeg 3 E DEmdeg 3
E pmRA 1.8 E pmDE 1.9 EpRAm 1991.59 EpDEm 1991.74
Num 4 Q RAmdeg 2.0 Q DEmdeg 1.3 Q pmRA 2.1
Q pmDE 1.4 BTmag 5.592 E BTmag 0.014 VTmag 5.746
E VTmag 0.009 Prox 999 TYC T HIP 101475
CCDM AC RAdeg 308.47848306 DEdeg 46.69386222 EpRA 1990 1.62
EpDE 1990 1.77 E RAdeg 3.4 E DEdeg 3.4 Posflg P
Corr 0.1
SAO
SAO 49804 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 0.002 Vmag 5.6 SpType B9
Double code Source 70 CatNum 28642 DM BD+46 2977
DMcomp BDsup HD 196178 M HD 0
GC 28642 RA1950rad 5.37681377 DE1950rad 0.81195147 PmRA2000 0.0011
PmDE2000 -0.001
Hipparcos
Catalog H HIP 101475 Proxy H RAhms 20 33 54.84
DEdms +46 41 37.9 Vmag 5.78 VarFlag R Vmag H
RAdeg 308.478 DEdeg 46.6939 AstroRef A Plx 6.78
CCDM 20339+4642 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AC
Theta 56 Rho 0.311 HD 196178 BD BD+46 2977
CD CP Dm number +46 2977 VIred -0.14
SpType B9sp... R SpType Coord arcsec 2000 203354.84+464137.9
Hipparcos 2
HIP 101475 Sn 15 So 3 Nc 2
RArad 5.3839651788 DErad 0.8149616227 Plx 7.56 PmRA 9.94
PmDE 1.54 E RArad 0.38 E DErad 0.4 E Plx 0.47
E pmRA 0.48 E pmDE 0.44 Hpmag 5.7282 E Hpmag 0.0008
SHp 0.006 VA 0 BV -0.14 E BV 0.004
VI -0.13
CCDM
Ccdm 20339+4642 RComp Comp A Note1
Note2 Discov num DRAs 0.84 DDEs -22.1
R dRAs 82 Year Theta Rho
Obs 3 Vmag 5.8 Sp B9 PmNote *
PmRA 10 PmDE 2 Dm number +46 2977 Cat1 BD
Name2 +46 1660 Cat2 AGK2/3 HD 196178 M HD
ADS BDS M ADS BDS N IDS IDS 20306N4621A
HIC 101475
 
 
20339+4642 Ab
 
 
Coord arcsec 2000 203354.85+464138.1 Mag 9.48 Calc delta mag 3.72 Calc coord yes
 
 
20339+4642 B
 
 
Coord arcsec 2000 203356.98+464329.9 Mag 9.35 PmRA -2.00 PmDE -3.0
Tycho2 3573-01507-1 Calc delta mag 3.59 Calc coord yes
Tycho2
Tycho2 3573-01507-1 Pflag RAmdeg 308.49164198 DEmdeg 46.72511100
PmRA -2.2 PmDE -3.4 E RAmdeg 12 E DEmdeg 13
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.88 EpDEm 1989.73
Num 7 Q RAmdeg 1.6 Q DEmdeg 0.4 Q pmRA 1.5
Q pmDE 0.3 BTmag 9.803 E BTmag 0.025 VTmag 9.352
E VTmag 0.021 Prox 999 TYC T HIP
CCDM RAdeg 308.49165056 DEdeg 46.72511833 EpRA 1990 1.66
EpDE 1990 1.80 E RAdeg 12.6 E DEdeg 14.3 Posflg
Corr 0.2
CCDM
Ccdm 20339+4642 RComp Comp B Note1
Note2 Discov num BU DRAs 3.88 DDEs 91.1
R dRAs 10 Year 1913 Theta 017 Rho 117.7
Obs 3 Vmag 9.8 Sp PmNote *
PmRA -24 PmDE 6 Dm number +46 2978 Cat1 BD
Name2 +46 1662 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 20306N4621B
HIC