WDS 18381-1400 : COMPONENTS
 
 
  A B C D E F
B pa=188.3°
sep=2.52"
 
C pa=78.1°
sep=14.58"
pa=69.4°
sep=15.63"
 
D pa=338.4°
sep=120.18"
pa=339.0°
sep=122.37"
pa=331.7°
sep=123.47"
 
E pa=108.6°
sep=115.50"
pa=107.4°
sep=115.08"
pa=112.7°
sep=103.22"
pa=134.0°
sep=213.81"
 
F pa=55.1°
sep=35.61"
pa=52.3°
sep=37.37"
pa=40.7°
sep=22.90"
pa=141.2°
sep=117.23"
pa=305.5°
sep=98.58"
 
G pa=73.5°
sep=38.73"
pa=70.2°
sep=39.84"
pa=70.8°
sep=24.22"
pa=141.1°
sep=129.53"
pa=303.5°
sep=86.72"
pa=139.8°
sep=12.30"
 
 
18381-1400 A
 
 
Name HD 171957 Coord arcsec 2000 183804.48-140017.1 Mag 6.58 Spectral class B9IV (blue-white)
PmRA -1.00 PmDE -6.0 SAO 161687 HIP 91369
Tycho2 5703-02958-1 HD 171957 HR 6989 GC 25465
BD BD-14 5139
Tycho2
Tycho2 5703-02958-1 Pflag RAmdeg 279.51866796 DEmdeg -14.00477538
PmRA -1.2 PmDE -5.6 E RAmdeg 4 E DEmdeg 5
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.38 EpDEm 1990.96
Num 17 Q RAmdeg 1.0 Q DEmdeg 1.4 Q pmRA 0.9
Q pmDE 1.4 BTmag 6.721 E BTmag 0.015 VTmag 6.575
E VTmag 0.010 Prox 999 TYC T HIP 91369
CCDM RAdeg 279.51867056 DEdeg -14.00476222 EpRA 1990 1.73
EpDE 1990 1.66 E RAdeg 4.1 E DEdeg 4.6 Posflg
Corr 0.1
SAO
SAO 161687 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 0.001 Vmag 6.5 SpType B9
Double code Source 70 CatNum 25465 DM BD-14 5139
DMcomp BDsup HD 171957 M HD 0
GC 25465 RA1950rad 4.86614461 DE1950rad -0.24520169 PmRA2000 0.0013
PmDE2000 0.002
Hipparcos
Catalog H HIP 91369 Proxy RAhms 18 38 04.48
DEdms -14 00 17.1 Vmag 6.49 VarFlag R Vmag G
RAdeg 279.519 DEdeg -14.0048 AstroRef Plx 4.7
CCDM 18381-1400 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 171957 BD BD-14 5139
CD CP Dm number -14 5139 VIred 0.21
SpType B8II/III R SpType Coord arcsec 2000 183804.48-140017.1
Hipparcos 2
HIP 91369 Sn 5 So 0 Nc 1
RArad 4.8785211042 DErad -0.2444292123 Plx 4.05 PmRA 0.2
PmDE -8.52 E RArad 0.58 E DErad 0.43 E Plx 0.67
E pmRA 0.76 E pmDE 0.59 Hpmag 6.5571 E Hpmag 0.0013
SHp 0.007 VA 0 BV 0.189 E BV 0.003
VI 0.21
CCDM
Ccdm 18381-1400 RComp Comp A Note1
Note2 Discov num DRAs -1.38 DDEs -16.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.4 Sp B9 PmNote *
PmRA 18 PmDE 2 Dm number -14 5139 Cat1 BD
Name2 161687 Cat2 SAO HD 171957 M HD
ADS BDS A11512 M ADS BDS N IDS IDS 18324S1405A
HIC 91369
 
 
18381-1400 B
 
 
Coord arcsec 2000 183804.46-140019.6 Mag 10.6 Calc delta mag 4.02 Calc coord yes
CCDM
Ccdm 18381-1400 RComp Comp B Note1
Note2 Discov num BU 135 DRAs DDEs
R dRAs Year 1875 Theta 186 Rho 2.4
Obs 12 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11512 M ADS BDS N IDS IDS 18324S1405B
HIC 91369
 
 
18381-1400 C
 
 
Coord arcsec 2000 183805.46-140014.1 Mag 14.9 Calc delta mag 8.32 Calc coord yes
CCDM
Ccdm 18381-1400 RComp Comp C Note1
Note2 Discov num BU 135 DRAs DDEs
R dRAs Year 1916 Theta 065 Rho 20.0
Obs 1 Vmag 14.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11512 M ADS BDS N IDS IDS 18324S1405C
HIC
 
 
18381-1400 D
 
 
Coord arcsec 2000 183801.44-135825.4 Mag 10.7 PmRA -3.00 PmDE -27.0
Tycho2 5703-03074-1 Calc delta mag 4.12 Calc coord yes
Tycho2
Tycho2 5703-03074-1 Pflag RAmdeg 279.50568793 DEmdeg -13.97371449
PmRA -3.2 PmDE -27.1 E RAmdeg 63 E DEmdeg 78
E pmRA 2.2 E pmDE 2.3 EpRAm 1980.93 EpDEm 1974.30
Num 3 Q RAmdeg 1.3 Q DEmdeg 3.3 Q pmRA 1.4
Q pmDE 3.3 BTmag 12.619 E BTmag 0.324 VTmag 10.695
E VTmag 0.081 Prox 999 TYC T HIP
CCDM RAdeg 279.50569528 DEdeg -13.97365194 EpRA 1990 1.70
EpDE 1990 1.67 E RAdeg 66.8 E DEdeg 87.4 Posflg
Corr 0.2
 
 
18381-1400 E
 
 
Coord arcsec 2000 183812.00-140054.0 Mag 11.6 Calc delta mag 5.02 Calc coord yes
 
 
18381-1400 F
 
 
Coord arcsec 2000 183806.49-135956.7 Mag 14 PmRA 3.00 PmDE -28.0
Calc delta mag 7.42 Calc coord yes
 
 
18381-1400 G
 
 
Coord arcsec 2000 183807.03-140006.1 Mag 13.2 PmRA -30.00 PmDE 12.0
Calc delta mag 6.62 Calc coord yes