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Current system
19500+1757
H 4 99 AD


Nearby doubles
6' : 19498+1802
BPM1664

9' : 19505+1802
TDT1796

10' : 19502+1748
J 3017

11' : 19507+1752
BPM1696

14' : 19508+1750
BPMA190

16' : 19494+1745
UC 248

17' : 19498+1741
BPM1665

18' : 19502+1741
TDT1790

18' : 19507+1743
BPM1698

19' : 19494+1740
BPM1650

21' : 19498+1737
BPM1666

21' : 19514+1759
BPM1722

24' : 19514+1746
BPM1721

25' : 19515+1809
BPMA195

25' : 19517+1758
BPM1731

25' : 19513+1741
KPP3348

27' : 19508+1733
KPP 445

28' : 19515+1815
KPP 446

28' : 19481+1803
BPM1603

29' : 19480+1758
BPM1599

29' : 19518+1810
TDT1808

30' : 19487+1735
GWP2896

30' : 19518+1744
BPM1736

31' : 19519+1810
BPM1740

32' : 19479+1750
BPM1593

32' : 19481+1814
GRV 280



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 19500+1757 : COMPONENTS
 
 
  A B C D
B pa=82.9°
sep=24.41"
 
C pa=254.8°
sep=65.63"
pa=257.0°
sep=89.86"
 
D pa=340.5°
sep=43.79"
pa=314.6°
sep=54.50"
pa=39.8°
sep=76.13"
 
E pa=144.8°
sep=69.80"
pa=165.0°
sep=62.15"
pa=111.0°
sep=110.99"
pa=150.8°
sep=112.58"
 
 
19500+1757 A
 
 
Name HD 187566 Coord arcsec 2000 194959.91+175726.0 Mag 7.99 Spectral class B7Vp (blue-white)
PmRA 1.00 PmDE -12.0 SAO 105324 Tycho2 1619-02489-1
HD 187566 DM BD+17 4110
Tycho2
Tycho2 1619-02489-1 Pflag RAmdeg 297.49967730 DEmdeg 17.95722644
PmRA 2.1 PmDE -10.2 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.65 EpDEm 1991.63
Num 8 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.6 BTmag 7.906 E BTmag 0.015 VTmag 7.985
E VTmag 0.010 Prox 687 TYC T HIP
CCDM RAdeg 297.49967222 DEdeg 17.95724972 EpRA 1990 1.82
EpDE 1990 1.81 E RAdeg 4.1 E DEdeg 4.4 Posflg
Corr 0.2
SAO
SAO 105324 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.006 Vmag 8.2 SpType A0p
Double code Source 28 CatNum 7731 DM BD+17 4110
DMcomp BDsup HD 187566 M HD 0
GC RA1950rad 5.18256008 DE1950rad 0.31119239 PmRA2000 -0.0003
PmDE2000 -0.007
CCDM
Ccdm 19500+1757 RComp Comp A Note1
Note2 Discov num DRAs -0.03 DDEs 25.2
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.3 Sp A0 PmNote *
PmRA 11 PmDE -26 Dm number +17 4110 Cat1 BD
Name2 +17 2065 Cat2 AGK2/3 HD 187566 M HD
ADS BDS B 9655 M ADS BDS N IDS IDS 19455N1742A
HIC
 
 
19500+1757 B
 
 
Coord arcsec 2000 195001.61+175729.0 Mag 11.07 Spectral class B9V (blue-white) PmRA 7.00
PmDE 0.0 Calc delta mag 3.08 Calc coord yes
CCDM
Ccdm 19500+1757 RComp Comp B Note1
Note2 Discov num H 99 DRAs DDEs
R dRAs Year 1879 Theta 085 Rho 24.8
Obs 3 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 9655 M ADS BDS N N IDS IDS 19455N1742B
HIC
 
 
19500+1757 C
 
 
Coord arcsec 2000 194955.47+175708.8 Mag 9.1 PmRA 2.00 PmDE -11.0
SAO 105321 Tycho2 1619-00441-1 HD 350707 DM BD+17 4109
Calc delta mag 1.11 Calc coord yes
Tycho2
Tycho2 1619-00441-1 Pflag RAmdeg 297.48022953 DEmdeg 17.95250014
PmRA 3.0 PmDE -10.7 E RAmdeg 8 E DEmdeg 8
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.02 EpDEm 1991.06
Num 8 Q RAmdeg 0.9 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.7 BTmag 9.129 E BTmag 0.017 VTmag 9.104
E VTmag 0.015 Prox 687 TYC T HIP
CCDM RAdeg 297.48022306 DEdeg 17.95252472 EpRA 1990 1.79
EpDE 1990 1.81 E RAdeg 7.5 E DEdeg 7.7 Posflg
Corr 0.2
SAO
SAO 105321 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 0.005 Vmag 9 SpType A0
Double code Source 28 CatNum 7729 DM BD+17 4109
DMcomp BDsup HD 350707 M HD 0
GC RA1950rad 5.1822218 DE1950rad 0.3111123 PmRA2000 0.0017
PmDE2000 0.004
CCDM
Ccdm 19500+1757 RComp Comp C Note1
Note2 Discov num H 99 DRAs -4.75 DDEs 9.1
R dRAs 10 Year 1879 Theta 256 Rho 68.7
Obs 3 Vmag 9.3 Sp PmNote *
PmRA -1 PmDE -10 Dm number +17 4109 Cat1 BD
Name2 +17 2064 Cat2 AGK2/3 HD M HD
ADS BDS B 9655 M ADS BDS N N IDS IDS 19455N1742C
HIC
 
 
19500+1757 D
 
 
Coord arcsec 2000 194958.89+175807.3 Mag 13.23 PmRA 6.00 PmDE -22.0
Calc delta mag 5.24 Calc coord yes
 
 
19500+1757 E
 
 
Coord arcsec 2000 195002.73+175629.0 Mag 13.42 PmRA -3.00 PmDE -8.0
Calc delta mag 5.43 Calc coord yes