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Doubles in session


Current system
18320+0647
STT 354
HD 170987


Nearby doubles
7' : 18318+0641
J 1372

15' : 18327+0656
SLE 352

16' : 18310+0648
SLE 349AB

17' : 18331+0649
SLE 354

18' : 18330+0637
J 96

19' : 18328+0633
SLE 353

22' : 18314+0628
STF2329

30' : 18310+0712
TDT 924

39' : 18341+0624
SLE 355

39' : 18299+0708
SLE 348

41' : 18299+0711
SLE 347

43' : 18318+0729
SLE 350

45' : 18335+0726
SCJ 18AB

46' : 18297+0616
GWP2779

51' : 18354+0649
J 100

52' : 18295+0722
A 582

60' : 18282+0705
TDS 924

63' : 18279+0650
SLE 344

63' : 18281+0709
J 95AB

63' : 18314+0545
TDT 925

64' : 18361+0701
LDS5238

65' : 18350+0559
GWP2788

66' : 18280+0620
TDT 895

66' : 18277+0631
TDT 888

66' : 18349+0556
TDT 945AB

67' : 18280+0618
TDS 923



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 18320+0647 : COMPONENTS
 
 
  A
B pa=204.6°
sep=0.50"
 
 
18320+0647 A
 
 
Componente originario normalizzato AB Name HD 170987 Coord arcsec 2000 183201.73+064648.4 Mag 7.84
Spectral class F5.6V (yellow-white) PmRA -27.00 PmDE -81.0 SAO 123609
HIP 90851 Tycho2 0458-00606-1 HD 170987 ADS 11432
BD BD+06 3829
Tycho2
Tycho2 0458-00606-1 Pflag RAmdeg 278.00720463 DEmdeg 6.78007300
PmRA -26.7 PmDE -80.6 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.52 EpDEm 1991.47
Num 11 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.1 BTmag 8.072 E BTmag 0.015 VTmag 7.598
E VTmag 0.011 Prox 999 TYC T HIP 90851
CCDM AB RAdeg 278.00726556 DEdeg 6.78025722 EpRA 1990 1.85
EpDE 1990 1.77 E RAdeg 4.6 E DEdeg 5.2 Posflg P
Corr -0.3
SAO
SAO 123609 DelFlag RA1950 PmRA1950 -0.0028
DE1950 PmDE1950 -0.081 Vmag 7.1 SpType F5
Double code Source 32 CatNum 8598 DM BD+06 3829
DMcomp BDsup HD 170987 M HD 0
GC RA1950rad 4.84153376 DE1950rad 0.11770104 PmRA2000 -0.0026
PmDE2000 -0.082
Hipparcos
Catalog H HIP 90851 Proxy H RAhms 18 32 01.75
DEdms +06 46 49.1 Vmag 7.46 VarFlag R Vmag G
RAdeg 278.007 DEdeg 6.78031 AstroRef A Plx 10.75
CCDM 18320+0647 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 201 Rho 0.658 HD 170987 BD BD+06 3829
CD CP Dm number +06 3829 VIred 0.56
SpType F5 R SpType Coord arcsec 2000 183201.75+064649.1
Hipparcos 2
HIP 90851 Sn 15 So 3 Nc 2
RArad 4.8521424462 DErad 0.1183387242 Plx 11.19 PmRA -28.42
PmDE -86.6 E RArad 1.04 E DErad 0.88 E Plx 1.02
E pmRA 1.12 E pmDE 1.05 Hpmag 7.5549 E Hpmag 0.001
SHp 0.008 VA 0 BV 0.486 E BV 0.015
VI 0.56
CCDM
Ccdm 18320+0647 RComp Comp A Note1
Note2 Discov num DRAs 1.72 DDEs -12.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.7 Sp F5 PmNote *
PmRA -29 PmDE -84 Dm number +06 3829 Cat1 BD
Name2 +06 2285 Cat2 AGK2/3 HD 170987 M HD
ADS BDS A11432 M ADS BDS N IDS IDS 18272N0643A
HIC 90851
 
 
18320+0647 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183201.72+064647.9 Mag 8.91 Spectral class F5V (yellow-white)
PmRA -27.00 PmDE -81.0 Calc delta mag 1.07 Calc coord yes
CCDM
Ccdm 18320+0647 RComp Comp B Note1
Note2 Discov num STT 354 DRAs DDEs
R dRAs Year 1960 Theta 190 Rho 0.7
Obs 99 Vmag 8.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11432 M ADS BDS N IDS IDS 18272N0643B
HIC 90851