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Doubles in session


Current system
20205+5336
BU 663 AC
HD 193944


Nearby doubles
17' : 20223+5338
BU 666

24' : 20228+5325
STF2681AB

40' : 20241+5358
MLR 608

48' : 20157+5316
MMA 20

54' : 20239+5420
HDS2914

55' : 20146+5349
ES 987

58' : 20152+5409
HO 455AB

58' : 20264+5402
FRK 9

62' : 20223+5237
ES 989

62' : 20157+5252
TDT2126

62' : 20222+5437
STI2521

67' : 20280+5343
TDT2298

68' : 20136+5307
STF2658AB

70' : 20153+5428
TDT2123

70' : 20153+5429
TDT2122

71' : 20239+5232
A 1428

73' : 20255+5434
GIC 157

73' : 20252+5437
STI2524

74' : 20126+5316
TDT2088

74' : 20124+5354
HDS2880

75' : 20129+5408
TDT2092

76' : 20134+5416
STI2514

78' : 20140+5428
TDT2108

79' : 20158+5230
STT 404AB

79' : 20255+5441
HJ 1516AB

79' : 20247+5446
TDT2247



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 20205+5336 : COMPONENTS
 
 
  A B C
B pa=319.3°
sep=5.18"
 
C pa=56.6°
sep=4.29"
pa=102.6°
sep=7.13"
 
D pa=216.7°
sep=9.45"
pa=191.2°
sep=11.72"
pa=222.9°
sep=13.57"
 
 
20205+5336 A
 
 
Coord arcsec 2000 202030.64+533544.5 Mag 6.18 Spectral class K4III (yellow-orange) PmRA 12.00
PmDE 9.0 SAO 32491 HIP 100295 Tycho2 3937-00494-1
HD 193944 HR 7791 GC 28311 BD BD+53 2384
Tycho2
Tycho2 3937-00494-1 Pflag RAmdeg 305.12766238 DEmdeg 53.59568567
PmRA 0.2 PmDE -1.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.39 EpDEm 1991.43
Num 11 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.1 BTmag 8.277 E BTmag 0.016 VTmag 6.387
E VTmag 0.010 Prox 999 TYC T HIP 100295
CCDM RAdeg 305.12766167 DEdeg 53.59568972 EpRA 1990 1.68
EpDE 1990 1.66 E RAdeg 3.9 E DEdeg 4.1 Posflg
Corr 0.1
SAO
SAO 32491 DelFlag RA1950 PmRA1950 -0.0022
DE1950 PmDE1950 0.016 Vmag 6.4 SpType K5
Double code Source 70 CatNum 28311 DM BD+53 2384
DMcomp BDsup HD 193944 M HD 0
GC 28311 RA1950rad 5.3196751 DE1950rad 0.93264043 PmRA2000 -0.0018
PmDE2000 0.014
Hipparcos
Catalog H HIP 100295 Proxy RAhms 20 20 30.64
DEdms +53 35 44.5 Vmag 6.23 VarFlag R Vmag H
RAdeg 305.128 DEdeg 53.5957 AstroRef Plx 2
CCDM 20205+5336 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 193944 BD BD+53 2384
CD CP Dm number +53 2384 VIred 1.62
SpType K5 R SpType Coord arcsec 2000 202030.64+533544.5
Hipparcos 2
HIP 100295 Sn 5 So 0 Nc 1
RArad 5.3254823154 DErad 0.9354212537 Plx 1.65 PmRA 2.39
PmDE -1.79 E RArad 0.29 E DErad 0.24 E Plx 0.28
E pmRA 0.37 E pmDE 0.26 Hpmag 6.3445 E Hpmag 0.0009
SHp 0.008 VA 0 BV 1.547 E BV 0.009
VI 1.61
CCDM
Ccdm 20205+5336 RComp Comp A Note1
Note2 Discov num DRAs 0.64 DDEs -15.0
R dRAs 10 Year Theta Rho
Obs 4 Vmag 6.4 Sp K5 PmNote *
PmRA -4 PmDE 12 Dm number +53 2384 Cat1 BD
Name2 +53 1306 Cat2 AGK2/3 HD 193944 M HD
ADS BDS A13743 M ADS BDS N IDS IDS 20178N5317A
HIC 100295
 
 
20205+5336 B
 
 
Coord arcsec 2000 202030.26+533548.4 Mag 14.2 Calc delta mag 8.02 Calc coord yes
CCDM
Ccdm 20205+5336 RComp Comp B Note1
Note2 Discov num BU 663 DRAs DDEs
R dRAs Year 1958 Theta 314 Rho 7.2
Obs 4 Vmag 15.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13743 M ADS BDS N IDS IDS 20178N5317B
HIC 100295
 
 
20205+5336 C
 
 
Coord arcsec 2000 202031.04+533546.9 Mag 12.4 Calc delta mag 6.22 Calc coord yes
CCDM
Ccdm 20205+5336 RComp Comp C Note1
Note2 Discov num BU 663 DRAs DDEs
R dRAs Year 1958 Theta 069 Rho 6.5
Obs 6 Vmag 12.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13743 M ADS BDS N IDS IDS 20178N5317C
HIC 100295
 
 
20205+5336 D
 
 
Coord arcsec 2000 202030.01+533536.9 Mag 14.5 Calc delta mag 8.32 Calc coord yes
CCDM
Ccdm 20205+5336 RComp Comp D Note1
Note2 Discov num BU 663 DRAs DDEs
R dRAs Year 1958 Theta 232 Rho 11.5
Obs 1 Vmag 14.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13743 M ADS BDS N IDS IDS 20178N5317D
HIC