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Doubles in session


Current system
16054-1948
OCC 9158 Aa,Ab


Nearby doubles
12' : 16063-1947
B 1799

17' : 16057-2004
KOH 72

17' : 16062-1935
KSA 1AB

21' : 16040-1946
LAF 101AB

24' : 16063-1929
KOH 73AB

28' : 16039-1932
GWP2584

29' : 16044-1925
RST2998

31' : 16037-2006
LAF 98AB

32' : 16072-1927
KSA 126AB

33' : 16031-1950
OCC 449

36' : 16058-2023
LAF 105AB

36' : 16030-2000
RST2995

37' : 16053-2024
KSA 124AB

39' : 16070-2020
KSA 86

42' : 16054-2030
HLD 127AB

42' : 16028-1931
KSA 79

42' : 16080-1928
LAF 114

44' : 16071-1912
KOH 75AB

44' : 16085-1940
ARA 703

44' : 16084-1936
KSA 128AB

45' : 16024-1957
LAF 95AB

45' : 16067-1908
LAF 108AB

46' : 16045-1905
KSA 83AB

47' : 16087-1942
TSN 63

48' : 16040-2031
IRE 3AB

49' : 16039-2032
KOH 70AB



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 16054-1948 : COMPONENTS
 
 
  A Ab B C D
Ab pa=0.0°
sep=0.00"
 
B pa=217.3°
sep=0.32"
pa=217.3°
sep=0.32"
 
C pa=19.4°
sep=13.57"
pa=19.4°
sep=13.57"
pa=19.8°
sep=13.88"
 
D pa=28.9°
sep=510.60"
pa=28.9°
sep=510.60"
pa=28.9°
sep=510.92"
pa=29.2°
sep=497.22"
 
E pa=19.7°
sep=13.64"
pa=19.7°
sep=13.64"
pa=20.1°
sep=13.95"
pa=59.5°
sep=0.09"
pa=209.2°
sep=497.14"
 
 
16054-1948 A
 
 
Common name Acrab Meaning the scorpion Other names Graffias, Grafias, Akrab, Elacrab Coord arcsec 2000 160526.23-194819.4
Mag 2.62 Spectral class B0.5V (blue-white) PmRA -7.00 PmDE -25.0
SAO 159682 HIP 78820 Tycho2 6208-01623-1 HD 144217
HR 5984 GC 21609 ADS 9913 BD BD-19 4307
CP CP-19 5945 Bayer Beta 1 Scorpii Bayer name Bet1 Sco Flamsteed 8 Scorpii
Flamsteed name 8 Sco FK5 597
Tycho2
Tycho2 6208-01623-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 2.519 E BTmag 0.014 VTmag 2.592
E VTmag 0.009 Prox 136 TYC T HIP 78820
CCDM A RAdeg 241.35931389 DEdeg -19.80539611 EpRA 1990 1.78
EpDE 1990 1.52 E RAdeg 3.2 E DEdeg 3.5 Posflg
Corr 0.1
SAO
SAO 159682 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.021 Vmag 2.9 SpType B1
Double code Source 74 CatNum 597 DM BD-19 4307
DMcomp BDsup HD 144217 M HD 0
GC 21609 RA1950rad 4.19980808 DE1950rad -0.34330845 PmRA2000 -0.0003
PmDE2000 -0.018
Hipparcos
Catalog H HIP 78820 Proxy RAhms 16 05 26.23
DEdms -19 48 19.4 Vmag 2.56 VarFlag R Vmag G
RAdeg 241.359 DEdeg -19.8054 AstroRef A Plx 6.15
CCDM 16054-1948 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 144217 BD BD-19 4307
CD CP CP-19 5945 Dm number -19 4307 VIred -0.04
SpType B0.5V R SpType Coord arcsec 2000 160526.23-194819.4
Hipparcos 2
HIP 78820 Sn 95 So 3 Nc 1
RArad 4.2125146985 DErad -0.3456693411 Plx 8.07 PmRA -5.2
PmDE -24.04 E RArad 0.71 E DErad 0.48 E Plx 0.78
E pmRA 0.92 E pmDE 0.64 Hpmag 2.594 E Hpmag 0.0096
SHp 0.026 VA 0 BV -0.065 E BV 0.023
VI -0.04
CCDM
Ccdm 16054-1948 RComp Comp A Note1
Note2 Discov num DRAs 2.22 DDEs -19.3
R dRAs 10 Year Theta Rho
Obs 3 Vmag 2.9 Sp B1 PmNote *
PmRA -6 PmDE -21 Dm number -19 4307 Cat1 BD
Name2 159682 Cat2 SAO HD 144217 M HD
ADS BDS A 9913 M ADS BDS N IDS IDS 15596S1932A
HIC 78820
 
 
16054-1948 Ab
 
 
Coord arcsec 2000 160526.23-194819.4 Mag 4.1 Calc delta mag 1.2 Calc coord yes
 
 
16054-1948 B
 
 
Coord arcsec 2000 160526.22-194819.7 Mag 10.6 Calc delta mag 7.7 Calc coord yes
CCDM
Ccdm 16054-1948 RComp Comp B Note1
Note2 Discov num BU 947 DRAs DDEs
R dRAs Year 1959 Theta 132 Rho 0.5
Obs 24 Vmag 10.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9913 M ADS BDS N N IDS IDS 15596S1932B
HIC 78820
 
 
16054-1948 C
 
 
Coord arcsec 2000 160526.55-194806.6 Coord calc 160526.55-194806.6 Mag 4.52 Spectral class B2V (blue-white)
PmRA -35.00 PmDE -7.0 SAO 159683 HIP 78821
Tycho2 6208-01622-1 HD 144218 HR 5985 GC 21610
BD BD-19 4308 Bayer Beta 2 Scorpii Bayer name Bet2 Sco Flamsteed 8 Scorpii
Flamsteed name 8 Sco Calc delta mag 1.62
Tycho2
Tycho2 6208-01622-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 4.516 E BTmag 0.014 VTmag 4.517
E VTmag 0.009 Prox 136 TYC T HIP 78821
CCDM C RAdeg 241.36068500 DEdeg -19.80185389 EpRA 1990 1.78
EpDE 1990 1.52 E RAdeg 3.3 E DEdeg 3.6 Posflg
Corr 0.0
SAO
SAO 159683 DelFlag RA1950 PmRA1950 -0.0014
DE1950 PmDE1950 -0.023 Vmag 5.1 SpType B1
Double code Source 70 CatNum 21610 DM BD-19 4308
DMcomp BDsup HD 144218 M HD 0
GC 21610 RA1950rad 4.19983354 DE1950rad -0.34324843 PmRA2000 -0.0013
PmDE2000 -0.02
Hipparcos
Catalog H HIP 78821 Proxy RAhms 16 05 26.58
DEdms -19 48 06.6 Vmag 4.9 VarFlag R Vmag G
RAdeg 241.361 DEdeg -19.8018 AstroRef C Plx 2.88
CCDM 16054-1948 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD 144218 BD BD-19 4308
CD CP Dm number -19 4308 VIred 0
SpType B2V R SpType Coord arcsec 2000 160526.58-194806.6
Hipparcos 2
HIP 78821 Sn 95 So 3 Nc 1
RArad 4.2125393673 DErad -0.3456073313 Plx 8.19 PmRA -5.07
PmDE -25.87 E RArad 1.07 E DErad 0.75 E Plx 1.17
E pmRA 1.36 E pmDE 0.97 Hpmag 4.9235 E Hpmag 0.0732
SHp 0 VA 0 BV -0.024 E BV 0.008
VI 0
CCDM
Ccdm 16054-1948 RComp Comp C Note1
Note2 Discov num H 7 DRAs 2.54 DDEs -7.0
R dRAs 10 Year 1823 Theta 024 Rho 13.6
Obs 27 Vmag 6.9 Sp B1 PmNote *
PmRA -19 PmDE -23 Dm number -19 4308 Cat1 BD
Name2 159683 Cat2 SAO HD 144218 M HD
ADS BDS A 9913 M ADS BDS N N IDS IDS 15596S1932C
HIC 78821
 
 
16054-1948 D
 
 
Coord arcsec 2000 160543.71-194052.4 Mag 7.5 Spectral class B9V (blue-white) PmRA -8.00
PmDE -27.0 SAO 159684 Tycho2 6208-01621-1 HD 144273
GC 21613 DM BD-19 4309 Calc delta mag 4.6 Calc coord yes
Tycho2
Tycho2 6208-01621-1 Pflag RAmdeg 241.43683935 DEmdeg -19.68105481
PmRA -13.3 PmDE -20.7 E RAmdeg 5 E DEmdeg 6
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.22 EpDEm 1990.97
Num 12 Q RAmdeg 0.6 Q DEmdeg 1.3 Q pmRA 0.6
Q pmDE 1.4 BTmag 7.658 E BTmag 0.015 VTmag 7.543
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 241.43687167 DEdeg -19.68100611 EpRA 1990 1.71
EpDE 1990 1.60 E RAdeg 4.7 E DEdeg 5.5 Posflg
Corr -0.1
SAO
SAO 159684 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 -0.027 Vmag 8.1 SpType A0
Double code Source 70 CatNum 21613 DM BD-19 4309
DMcomp BDsup HD 144273 M HD 0
GC 21613 RA1950rad 4.2011781 DE1950rad -0.34114443 PmRA2000 0.0009
PmDE2000 -0.024
 
 
16054-1948 E
 
 
Coord arcsec 2000 160526.56-194806.6 Mag 6.6 Calc delta mag 3.7 Calc coord yes