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Doubles in session


Current system
20019+3139
AG 245
HD 331700


Nearby doubles
5' : 20021+3144
SEI 799

6' : 20021+3135
SEI 798

13' : 20028+3142
ES 358

16' : 20026+3127
TDT1930

16' : 20022+3154
SEI 802

18' : 20026+3125
DAM 643

18' : 20007+3130
BRT 273

20' : 20017+3119
GRV 307

22' : 20028+3158
ES 359AB

25' : 20037+3145
SEI 827

25' : 20021+3204
BRT 274

27' : 20014+3206
COU1472

27' : 20040+3136
TDS1038

28' : 19597+3140
SEI 773

31' : 19597+3150
BU 1133

32' : 20040+3152
BRT 276

33' : 20032+3112
BRT 275

34' : 20020+3213
TDS1034

35' : 20007+3211
TDT1911AB

38' : 20039+3113
TDT1946

38' : 19591+3128
SEI 758

38' : 20037+3209
COU1628

39' : 19588+3138
SEI 756

42' : 19594+3206
A 378

43' : 20035+3216
COU1627

43' : 19589+3158
SEI 757



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 20019+3139 : COMPONENTS
 
 
  A
B pa=18.2°
sep=16.39"
 
 
20019+3139 A
 
 
Componente originario normalizzato AB Name HD 331700 Coord arcsec 2000 200152.19+313912.4 Mag 8.67
Spectral class F5V (yellow-white) PmRA -70.00 PmDE -42.0 SAO 69282
Tycho2 2670-04763-1 HD 331700 DM BD+31 3895
Tycho2
Tycho2 2670-04763-1 Pflag RAmdeg 300.46745984 DEmdeg 31.65345034
PmRA -59.9 PmDE -31.1 E RAmdeg 8 E DEmdeg 7
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.02 EpDEm 1991.16
Num 8 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.1 BTmag 9.166 E BTmag 0.017 VTmag 8.667
E VTmag 0.013 Prox 999 TYC T HIP
CCDM RAdeg 300.46762528 DEdeg 31.65352306 EpRA 1990 1.52
EpDE 1990 1.56 E RAdeg 7.5 E DEdeg 7.2 Posflg
Corr 0.2
SAO
SAO 69282 DelFlag RA1950 PmRA1950 -0.0051
DE1950 PmDE1950 -0.041 Vmag 8.4 SpType F5
Double code Source 6 CatNum 1940 DM BD+31 3895
DMcomp BDsup HD 331700 M HD 0
GC RA1950rad 5.23556051 DE1950rad 0.55001801 PmRA2000 -0.0049
PmDE2000 -0.043
CCDM
Ccdm 20019+3139 RComp Comp A Note1
Note2 Discov num DRAs -1.81 DDEs 12.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp PmNote *
PmRA -62 PmDE -33 Dm number +31 3895 Cat1 BD
Name2 +31 1940 Cat2 AGK2/3 HD M HD
ADS BDS A13276 M ADS BDS N IDS IDS 19579N3123A
HIC
 
 
20019+3139 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200152.59+313928.0 Mag 10.2 Calc delta mag 1.53
Calc coord yes
CCDM
Ccdm 20019+3139 RComp Comp B Note1
Note2 Discov num AG 245 DRAs -1.89 DDEs 24.8
R dRAs 90 Year 1893 Theta 356 Rho 12.3
Obs 5 Vmag 10.2 Sp PmNote
PmRA -62 PmDE -33 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13276 M ADS BDS N IDS IDS 19579N3123B
HIC