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Doubles in session


Current system
20020+3840
A 1411 AD


Nearby doubles
9' : 20022+3849
ES 2044

19' : 20022+3822
TDT1927

23' : 20001+3842
SEI 777

24' : 20035+3837
COU2533

25' : 20040+3847
ALI 914AB

29' : 20042+3851
ALI 915

29' : 20037+3820
HJ 1470

29' : 20039+3822
SEI 835

30' : 20034+3815
A 1412

31' : 20012+3811
ALI 652

33' : 19595+3853
ALI 912

33' : 19593+3829
SEI 772AB

34' : 20048+3837
SEI 843

35' : 20011+3913
SEI 791

35' : 20044+3820
TOR 20

35' : 20041+3815
TOR 18

36' : 19591+3831
SEI 767AB

37' : 20033+3807
SEI 825

38' : 19590+3851
SEI 763

38' : 19592+3821
TDT1900

39' : 20052+3829
BU 1481AB

41' : 20052+3857
BU 1480

44' : 19584+3830
J 1070

46' : 20051+3814
COU2213

46' : 19591+3809
COU2411

47' : 20035+3924
SEI 828AB



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 20020+3840 : COMPONENTS
 
 
  A B C
B pa=199.0°
sep=1.28"
 
C pa=202.7°
sep=9.76"
pa=203.3°
sep=8.49"
 
D pa=122.1°
sep=18.75"
pa=118.3°
sep=18.51"
pa=92.8°
sep=19.68"
 
 
20020+3840 A
 
 
Name HD 190131 Coord arcsec 2000 200159.20+383955.4 Mag 8.59 Spectral class A3V (white)
PmRA 2.00 PmDE -6.0 SAO 69289 Tycho2 3150-01983-1
HD 190131 DM BD+38 3871
Tycho2
Tycho2 3150-01983-1 Pflag RAmdeg 300.49667088 DEmdeg 38.66539715
PmRA -0.1 PmDE -1.9 E RAmdeg 7 E DEmdeg 6
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.18 EpDEm 1991.44
Num 5 Q RAmdeg 0.4 Q DEmdeg 0.7 Q pmRA 0.4
Q pmDE 0.8 BTmag 8.718 E BTmag 0.016 VTmag 8.594
E VTmag 0.013 Prox 999 TYC T HIP
CCDM RAdeg 300.49667111 DEdeg 38.66540167 EpRA 1990 1.53
EpDE 1990 1.68 E RAdeg 6.6 E DEdeg 6.2 Posflg
Corr 0.0
SAO
SAO 69289 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 -0.016 Vmag 8.5 SpType A2
Double code Source 5 CatNum 1946 DM BD+38 3871
DMcomp BDsup HD 190131 M HD 0
GC RA1950rad 5.23682326 DE1950rad 0.67238937 PmRA2000 0.001
PmDE2000 -0.018
CCDM
Ccdm 20020+3840 RComp Comp A Note1
Note2 Discov num DRAs -0.80 DDEs -5.5
R dRAs 10 Year Theta Rho
Obs 4 Vmag 8.6 Sp A2 PmNote *
PmRA -3 PmDE -16 Dm number +38 3871 Cat1 BD
Name2 +38 1946 Cat2 AGK2/3 HD 190131 M HD
ADS BDS A13284 M ADS BDS N IDS IDS 19584N3823A
HIC
 
 
20020+3840 B
 
 
Coord arcsec 2000 200159.16+383954.2 Mag 12.3 Calc delta mag 3.71 Calc coord yes
CCDM
Ccdm 20020+3840 RComp Comp B Note1
Note2 Discov num A 1411 DRAs DDEs
R dRAs Year 1906 Theta 208 Rho 1.2
Obs 5 Vmag 12.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13284 M ADS BDS N IDS IDS 19584N3823B
HIC
 
 
20020+3840 C
 
 
Coord arcsec 2000 200158.88+383946.4 Mag 13.4 Calc delta mag 4.81 Calc coord yes
CCDM
Ccdm 20020+3840 RComp Comp C Note1
Note2 Discov num A 1411 DRAs DDEs
R dRAs Year 1906 Theta 208 Rho 10.2
Obs 2 Vmag 13.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13284 M ADS BDS N IDS IDS 19584N3823C
HIC
 
 
20020+3840 D
 
 
Coord arcsec 2000 200200.56+383945.4 Mag 13.6 PmRA 0.00 PmDE -6.0
Calc delta mag 5.01 Calc coord yes
CCDM
Ccdm 20020+3840 RComp Comp D Note1
Note2 Discov num A 1411 DRAs DDEs
R dRAs Year 1906 Theta 117 Rho 23.0
Obs 2 Vmag 13.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13284 M ADS BDS N IDS IDS 19584N3823D
HIC