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Doubles in session


Current system
20330+3144
ES 365 CD


Nearby doubles
7' : 20325+3147
TDT2346

11' : 20327+3140
HJ 1532

15' : 20320+3136
ES 2436

18' : 20333+3128
TDT2368

27' : 20320+3208
TDT2343

27' : 20332+3211
TDT2365

30' : 20350+3130
TDT2396

32' : 20306+3138
RAO 437

36' : 20348+3212
TDT2392

37' : 20358+3152
TDT2404

37' : 20326+3221
TDT2348

37' : 20330+3108
TDT2360

43' : 20299+3129
TDT2323

45' : 20327+3229
TDT2353

46' : 20365+3149
TDS1085

49' : 20329+3056
COU1326

50' : 20368+3157
J 568

51' : 20290+3142
TDT2316

51' : 20347+3230
STF2700

52' : 20366+3209
TDT2417

53' : 20371+3138
TDT2425

53' : 20332+3052
TDT2366

54' : 20300+3222
COU1960

56' : 20326+3049
TDT2349

59' : 20376+3138
COU1328

59' : 20375+3134
STFA 53AB



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 20330+3144 : COMPONENTS
 
 
  A B C
B pa=262.1°
sep=21.90"
 
C pa=318.7°
sep=33.66"
pa=359.0°
sep=28.30"
 
D pa=316.7°
sep=35.59"
pa=354.6°
sep=29.02"
pa=285.0°
sep=2.30"
 
 
20330+3144 A
 
 
Coord arcsec 2000 203302.60+314408.3 Mag 8.48 Spectral class K2 (yellow-orange) PmRA 4.00
PmDE -3.0 HIP 101404 Tycho2 2686-00827-1 ADS 13995
BD BD+31 4125
Tycho2
Tycho2 2686-00827-1 Pflag RAmdeg 308.26083847 DEmdeg 31.73562445
PmRA 4.7 PmDE -2.0 E RAmdeg 8 E DEmdeg 7
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.45 EpDEm 1990.96
Num 13 Q RAmdeg 1.1 Q DEmdeg 0.6 Q pmRA 1.2
Q pmDE 0.6 BTmag 10.080 E BTmag 0.024 VTmag 8.483
E VTmag 0.012 Prox 999 TYC T HIP 101404
CCDM RAdeg 308.26082444 DEdeg 31.73562889 EpRA 1990 1.58
EpDE 1990 1.71 E RAdeg 7.6 E DEdeg 7.0 Posflg
Corr 0.2
Hipparcos
Catalog H HIP 101404 Proxy RAhms 20 33 02.60
DEdms +31 44 08.3 Vmag 8.33 VarFlag R Vmag H
RAdeg 308.261 DEdeg 31.7356 AstroRef Plx 2.08
CCDM 20330+3144 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+31 4125
CD CP Dm number +31 4125 VIred 1.24
SpType K2 R SpType Coord arcsec 2000 203302.60+314408.3
Hipparcos 2
HIP 101404 Sn 5 So 0 Nc 1
RArad 5.3801663491 DErad 0.5538912001 Plx 2.29 PmRA 5.31
PmDE -2.95 E RArad 0.46 E DErad 0.53 E Plx 0.81
E pmRA 0.62 E pmDE 0.61 Hpmag 8.4885 E Hpmag 0.0015
SHp 0.017 VA 0 BV 1.304 E BV 0.018
VI 1.26
CCDM
Ccdm 20330+3144 RComp Comp A Note1
Note2 Discov num DRAs 2.58 DDEs 8.3
R dRAs 10 Year Theta Rho
Obs 4 Vmag 8.0 Sp PmNote *
PmRA -3 PmDE -2 Dm number +31 4125 Cat1 BD
Name2 +31 2044 Cat2 AGK2/3 HD M HD
ADS BDS A13995 M ADS BDS N IDS IDS 20290N3124A
HIC 101404
 
 
20330+3144 B
 
 
Coord arcsec 2000 203300.90+314405.3 Mag 11.8 PmRA 8.00 PmDE 0.0
Calc delta mag 3.32 Calc coord yes
CCDM
Ccdm 20330+3144 RComp Comp B Note1
Note2 Discov num ES 365 DRAs DDEs
R dRAs Year 1906 Theta 262 Rho 25.7
Obs 1 Vmag 11.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13995 M ADS BDS N IDS IDS 20290N3124B
HIC
 
 
20330+3144 C
 
 
Coord arcsec 2000 203300.86+314433.6 Coord calc 203300.86+314433.6 Mag 11.2 PmRA 60.00
PmDE -17.0 Calc delta mag 2.72
CCDM
Ccdm 20330+3144 RComp Comp C Note1
Note2 Discov num ES 365 DRAs DDEs
R dRAs Year 1906 Theta 319 Rho 33.7
Obs 1 Vmag 12.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13995 M ADS BDS N IDS IDS 20290N3124C
HIC
 
 
20330+3144 D
 
 
Coord arcsec 2000 203300.69+314434.2 Mag 12.4 PmRA -8.00 PmDE 3.0
Calc delta mag 3.92 Calc coord yes
CCDM
Ccdm 20330+3144 RComp C Comp D Note1
Note2 Discov num ES 365 DRAs DDEs
R dRAs Year 1906 Theta 288 Rho 2.5
Obs 1 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13995 M ADS BDS N IDS IDS 20290N3124D
HIC