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Doubles in session


Current system
18423-0903
H 5 36 AC


Nearby doubles
49' : 18452-0923
TDT1033

49' : 18423-0952
SLE 234

51' : 18435-0817
J 104AB

52' : 18434-0814
SLE 236

54' : 18442-0817
TOB 295

54' : 18441-0817
SLE 238

57' : 18425-0807
BRT 483AB

62' : 18460-0928
HO 88

67' : 18467-0916
JNN 118

69' : 18460-0824
SLE 241

75' : 18381-0822
KRV 51

79' : 18459-1000
HO 568

80' : 18471-0939
RST4598AB

80' : 18422-1022
J 2522

83' : 18400-0747
STF2350

86' : 18466-0807
RST4597

91' : 18444-0739
TDT1023

92' : 18396-0738
J 2520

92' : 18445-0737
RST4595AB

93' : 18467-1008
A 1887

95' : 18424-0727
J 2523

95' : 18397-0737
DAM 114

97' : 18461-1020
J 467

98' : 18416-0723
J 2917

99' : 18481-0950
J 2677

99' : 18367-0811
KRV 21



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 18423-0903 : COMPONENTS
 
 
  A B C
B pa=44.4°
sep=14.32"
 
C pa=131.3°
sep=51.96"
pa=146.9°
sep=53.12"
 
D pa=263.9°
sep=109.54"
pa=259.6°
sep=120.93"
pa=278.7°
sep=149.71"
 
 
18423-0903 A
 
 
Name Del Sct Coord arcsec 2000 184216.42-090309.1 Mag 4.73 Spectral class F2IIIp (yellow-white)
PmRA 9.00 PmDE 1.0 SAO 142515 HIP 91726
Tycho2 5692-02505-1 HD 172748 HR 7020 GC 25580
BD BD-09 4796 Bayer Delta Bayer name Del FK5 1486
Tycho2
Tycho2 5692-02505-1 Pflag RAmdeg 280.56844679 DEmdeg -9.05254940
PmRA 8.7 PmDE 1.2 E RAmdeg 4 E DEmdeg 4
E pmRA 0.4 E pmDE 0.4 EpRAm 1990.29 EpDEm 1990.20
Num 25 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 5.114 E BTmag 0.014 VTmag 4.734
E VTmag 0.009 Prox 522 TYC T HIP 91726
CCDM RAdeg 280.56842583 DEdeg -9.05255250 EpRA 1990 1.65
EpDE 1990 1.49 E RAdeg 3.5 E DEdeg 3.8 Posflg
Corr 0.0
SAO
SAO 142515 DelFlag RA1950 PmRA1950 0.0004
DE1950 PmDE1950 0.001 Vmag 4.7 SpType F0
Double code Source 74 CatNum 1486 DM BD-09 4796
DMcomp BDsup HD 172748 M HD 0
GC 25580 RA1950rad 4.88489359 DE1950rad -0.15886016 PmRA2000 0.0006
PmDE2000 0.002
Hipparcos
Catalog H HIP 91726 Proxy RAhms 18 42 16.42
DEdms -09 03 09.2 Vmag 4.7 VarFlag 2 R Vmag T
RAdeg 280.568 DEdeg -9.05255 AstroRef Plx 17.44
CCDM 18423-0903 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 172748 BD BD-09 4796
CD CP Dm number -09 4796 VIred 0.4
SpType F2IIIp d Del R SpType Coord arcsec 2000 184216.42-090309.2
Hipparcos 2
HIP 91726 Sn 5 So 0 Nc 1
RArad 4.8968428034 DErad -0.1579968617 Plx 16.11 PmRA 9.21
PmDE 0.82 E RArad 0.29 E DErad 0.16 E Plx 0.31
E pmRA 0.33 E pmDE 0.22 Hpmag 4.7879 E Hpmag 0.0106
SHp 0.061 VA 1 BV 0.358 E BV 0.01
VI 0.4
CCDM
Ccdm 18423-0903 RComp Comp A Note1
Note2 Discov num DRAs -1.59 DDEs -9.3
R dRAs 10 Year Theta Rho
Obs 3 Vmag 4.7 Sp F0 PmNote *
PmRA 7 PmDE 1 Dm number -09 4796 Cat1 BD
Name2 142515 Cat2 SAO HD 172748 M HD
ADS BDS A11581 M ADS BDS N IDS IDS 18368S0909A
HIC 91726
 
 
18423-0903 B
 
 
Coord arcsec 2000 184217.10-090258.9 Mag 12.2 Calc delta mag 7.47 Calc coord yes
CCDM
Ccdm 18423-0903 RComp Comp B Note1
Note2 Discov num RST4594 DRAs DDEs
R dRAs Year 1938 Theta 046 Rho 15.2
Obs 5 Vmag 12.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11581 M ADS BDS N IDS IDS 18368S0909B
HIC
 
 
18423-0903 C
 
 
Coord arcsec 2000 184219.06-090343.4 Mag 10.56 PmRA -3.00 PmDE -1.0
Calc delta mag 5.83 Calc coord yes
CCDM
Ccdm 18423-0903 RComp Comp C Note1
Note2 Discov num H 36 DRAs DDEs
R dRAs Year 1879 Theta 130 Rho 52.6
Obs 5 Vmag 9.2 Sp PmNote
PmRA PmDE Dm number -09 4797 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS A11581 M ADS BDS N N IDS IDS 18368S0909C
HIC
 
 
18423-0903 D
 
 
Coord arcsec 2000 184209.07-090320.7 Mag 10.5 PmRA -10.00 PmDE -43.0
Calc delta mag 5.77 Calc coord yes