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Doubles in session


Current system
18386+0236
HJ 5500 AB
HD 172506


Nearby doubles
22' : 18410+0302
BU 1328

27' : 18406+0307
STF2361

37' : 18424+0218
BAL1969

39' : 18393+0315
BAL2498AB

39' : 18380+0248
LDS5240

41' : 18401+0321
AG 224

47' : 18374+0238
BU 1327

52' : 18439+0237
STF2369

56' : 18429+0324
BAL2499

57' : 18375+0313
ARY 15

61' : 18425+0334
J 464AB

66' : 18440+0321
A 2388

67' : 18449+0253
HEI 562

69' : 18360+0234
STN 43

72' : 18357+0239
TDT 950

74' : 18436+0337
TDT1019

82' : 18379+0352
KPP 421

83' : 18439+0346
TDS 939

91' : 18464+0259
BAL1970

92' : 18394+0111
BAL1503

96' : 18382+0410
TDT 968

97' : 18456+0142
A 2262

99' : 18409+0102
CON 36AB

110' : 18473+0323
LDS5866

112' : 18418+0052
HJ 865

114' : 18413+0433
J 2143



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 18386+0236 : COMPONENTS
 
 
  A B C
B pa=39.6°
sep=84.01"
 
C pa=228.2°
sep=14.22"
pa=220.8°
sep=98.09"
 
D pa=238.2°
sep=54.33"
pa=226.9°
sep=136.60"
pa=241.7°
sep=40.40"
 
 
18386+0236 A
 
 
Name HD 172506 Coord arcsec 2000 184031.30+024104.0 Mag 7.99 Spectral class F0v (yellow-white)
PmRA -34.00 PmDE -19.0 SAO 123794 HIP 91580
Tycho2 0451-00791-1 HD 172506 BD BD+02 3646
Tycho2
Tycho2 0451-00791-1 Pflag RAmdeg 280.13042101 DEmdeg 2.68444140
PmRA -36.9 PmDE -16.6 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.48 EpDEm 1991.36
Num 10 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.0 BTmag 8.358 E BTmag 0.016 VTmag 7.986
E VTmag 0.011 Prox 834 TYC T HIP 91580
CCDM RAdeg 280.13050528 DEdeg 2.68447944 EpRA 1990 1.76
EpDE 1990 1.69 E RAdeg 4.6 E DEdeg 5.3 Posflg
Corr -0.2
SAO
SAO 123794 DelFlag RA1950 PmRA1950 -0.002
DE1950 PmDE1950 -0.021 Vmag 8.1 SpType F2
Double code Source 30 CatNum 6322 DM BD+02 3646
DMcomp BDsup HD 172506 M HD 0
GC RA1950rad 4.87824508 DE1950rad 0.04602557 PmRA2000 -0.0018
PmDE2000 -0.022
Hipparcos
Catalog H HIP 91580 Proxy RAhms 18 40 31.32
DEdms +02 41 04.1 Vmag 7.95 VarFlag R Vmag H
RAdeg 280.131 DEdeg 2.68448 AstroRef Plx 7.81
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 172506 BD BD+02 3646
CD CP Dm number +02 3646 VIred 0.44
SpType F2 R SpType Coord arcsec 2000 184031.32+024104.1
Hipparcos 2
HIP 91580 Sn 5 So 0 Nc 1
RArad 4.8891997872 DErad 0.0468530739 Plx 8.92 PmRA -34.2
PmDE -15.68 E RArad 0.42 E DErad 0.34 E Plx 0.55
E pmRA 0.45 E pmDE 0.4 Hpmag 8.0336 E Hpmag 0.0012
SHp 0.015 VA 0 BV 0.342 E BV 0.012
VI 0.4
CCDM
Ccdm 18386+0236 RComp Comp A Note1
Note2 Discov num DRAs 0.65 DDEs -5.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp F2 PmNote *
PmRA -17 PmDE -17 Dm number +02 3634 Cat1 BD
Name2 +02 2285 Cat2 AGK2/3 HD 172172 M HD
ADS BDS B 8686 M ADS BDS N IDS IDS 18336N0231A
HIC
 
 
18386+0236 B
 
 
Coord arcsec 2000 184034.87+024208.8 Mag 10.16 Spectral class c3 PmRA -2.00
PmDE -12.0 Tycho2 0451-01133-1 Calc delta mag 2.17 Calc coord yes
Tycho2
Tycho2 0451-01133-1 Pflag RAmdeg 280.14516174 DEmdeg 2.70239845
PmRA -1.3 PmDE -12.5 E RAmdeg 23 E DEmdeg 28
E pmRA 1.4 E pmDE 1.3 EpRAm 1986.86 EpDEm 1983.59
Num 8 Q RAmdeg 1.2 Q DEmdeg 1.8 Q pmRA 1.1
Q pmDE 1.8 BTmag 11.577 E BTmag 0.071 VTmag 10.159
E VTmag 0.035 Prox 834 TYC T HIP
CCDM RAdeg 280.14516500 DEdeg 2.70243194 EpRA 1990 1.77
EpDE 1990 1.72 E RAdeg 24.7 E DEdeg 31.8 Posflg
Corr 0.1
CCDM
Ccdm 18386+0236 RComp Comp B Note1
Note2 Discov num HJ 5500 DRAs DDEs
R dRAs Year 1823 Theta 045 Rho 30.0
Obs 1 Vmag 12.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8686 M ADS BDS N N IDS IDS 18336N0231B
HIC
 
 
18386+0236 C
 
 
Coord arcsec 2000 184030.59+024054.5 Mag 14.8 Calc delta mag 6.81 Calc coord yes
 
 
18386+0236 D
 
 
Coord arcsec 2000 184028.22+024035.4 Mag 14.5 Calc delta mag 6.51 Calc coord yes