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Doubles in session


Current system
18489+1615
STF 2400 BC


Nearby doubles
12' : 18496+1621
BPM 849

18' : 18497+1629
BRT1311

22' : 18481+1557
BPM 835

23' : 18502+1603
RAO 399

24' : 18503+1626
BPM 859

27' : 18498+1639
BPM 853

30' : 18504+1554
BPM 860

34' : 18484+1542
BPMA 61

41' : 18477+1539
BPM 831

43' : 18481+1656
BPM 834

43' : 18517+1600
BPM 870

44' : 18475+1537
GII 20AB

45' : 18476+1655
J 2678

45' : 18470+1541
GII 5

46' : 18464+1641
HEI 261

46' : 18472+1655
ARN 75

49' : 18456+1604
BPM 820

51' : 18521+1635
BPM 871

51' : 18491+1524
BPM 842

53' : 18484+1524
J 2150

56' : 18466+1659
STF2385AB

56' : 18506+1525
BPM 862

57' : 18461+1655
HEI 259

59' : 18515+1700
BPMA 65

59' : 18500+1519
YSC 12AB

59' : 18463+1659
HEI 260



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 18489+1615 : COMPONENTS
 
 
  A B C
B pa=161.6°
sep=10.01"
 
C pa=161.7°
sep=10.85"
pa=163.5°
sep=0.84"
 
D pa=157.9°
sep=0.39"
pa=341.7°
sep=9.63"
pa=341.8°
sep=10.47"
 
 
18489+1615 A
 
 
Coord arcsec 2000 184854.88+161524.4 Mag 8.08 Spectral class G0 (yellow) PmRA -33.00
PmDE 64.0 Tycho2 1584-01984-1
Tycho2
Tycho2 1584-01984-1 Pflag RAmdeg 282.22870165 DEmdeg 16.25678432
PmRA -32.5 PmDE 63.5 E RAmdeg 7 E DEmdeg 7
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.19 EpDEm 1991.14
Num 7 Q RAmdeg 1.4 Q DEmdeg 1.9 Q pmRA 1.5
Q pmDE 1.8 BTmag 8.616 E BTmag 0.018 VTmag 8.080
E VTmag 0.013 Prox 999 TYC T HIP 92317
CCDM RAdeg 282.22878000 DEdeg 16.25663750 EpRA 1990 1.66
EpDE 1990 1.67 E RAdeg 6.6 E DEdeg 7.0 Posflg
Corr 0.0
CCDM
Ccdm 18489+1615 RComp Comp A Note1
Note2 Discov num DRAs 0.99 DDEs 21.4
R dRAs 10 Year Theta Rho
Obs 4 Vmag 8.2 Sp G0 PmNote *
PmRA -20 PmDE 49 Dm number +16 3622 Cat1 BD
Name2 +16 1874 Cat2 AGK2/3 HD 174224 M HD
ADS BDS A11711 M ADS BDS N IDS IDS 18444N1609A
HIC 92317
 
 
18489+1615 B
 
 
Coord arcsec 2000 184855.10+161514.9 Coord calc 184855.10+161514.9 Mag 11.1 PmRA 4.00
PmDE -15.0 Calc delta mag 3.02
CCDM
Ccdm 18489+1615 RComp Comp B Note1
Note2 Discov num STF2400 DRAs DDEs
R dRAs Year 1945 Theta 171 Rho 5.2
Obs 99 Vmag 11.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11711 M ADS BDS N IDS IDS 18444N1609B
HIC 92317
 
 
18489+1615 C
 
 
Coord arcsec 2000 184855.12+161514.1 Mag 10.6 Calc delta mag 2.52 Calc coord yes
CCDM
Ccdm 18489+1615 RComp Comp C Note1
Note2 Discov num STF2400 DRAs DDEs
R dRAs Year 1925 Theta 172 Rho 4.8
Obs 22 Vmag 10.6 Sp PmNote
PmRA 4 PmDE -15 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11711 M ADS BDS N N IDS IDS 18444N1609C
HIC 92317
 
 
18489+1615 D
 
 
Coord arcsec 2000 184854.89+161524.0 SAO 104127 HIP 92317 HD 174224
GC 25784 BD BD+16 3622 Calc delta mag 8.08 Calc coord yes
SAO
SAO 104127 DelFlag RA1950 PmRA1950 -0.0016
DE1950 PmDE1950 0.063 Vmag 8.1 SpType G0
Double code Source 70 CatNum 25784 DM BD+16 3622
DMcomp BDsup HD 174224 M HD 0
GC 25784 RA1950rad 4.91602903 DE1950rad 0.28271355 PmRA2000 -0.0015
PmDE2000 0.063
Hipparcos
Catalog H HIP 92317 Proxy RAhms 18 48 54.91
DEdms +16 15 23.9 Vmag 7.9 VarFlag R Vmag H
RAdeg 282.229 DEdeg 16.2566 AstroRef Plx 8.92
CCDM 18489+1615 N CCDM I Nsys 1 Ncomp 1
MultFlag X Source Qual S M HIP
Theta Rho HD 174224 BD BD+16 3622
CD CP Dm number +16 3622 VIred 0.6
SpType G0... R SpType Coord arcsec 2000 184854.91+161523.9
Hipparcos 2
HIP 92317 Sn 1 So 2 Nc 1
RArad 4.9258215171 DErad 0.2837317463 Plx 7.77 PmRA -31.27
PmDE 55.66 E RArad 1.42 E DErad 1.33 E Plx 1.72
E pmRA 1.88 E pmDE 2.05 Hpmag 8.014 E Hpmag 0.0018
SHp 0.017 VA 0 BV 0.519 E BV 0.017
VI 0.59
CCDM
Ccdm 18489+1615 RComp Comp D Note1
Note2 Discov num STF2400 DRAs DDEs
R dRAs Year 1900 Theta 157 Rho 0.4
Obs 3 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11711 M ADS BDS N N IDS IDS 18444N1609D
HIC 92317