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Doubles in session


Current system
18403+3425
HDS 2645 AB
HD 172715


Nearby doubles
12' : 18394+3430
SEI 568

29' : 18425+3432
POP 45

29' : 18380+3417
LDS4793

29' : 18380+3416
CRB 128

31' : 18421+3445
STF2372AB

39' : 18430+3445
SEI 572AB

41' : 18390+3501
POP 17

43' : 18416+3503
GRV 237

45' : 18385+3503
COU1308

45' : 18420+3505
SEI 570

45' : 18438+3433
SEI 573

45' : 18426+3459
UC 3650

49' : 18379+3505
POP 16AB

49' : 18370+3452
STF2352AB

51' : 18379+3506
TRA 1

51' : 18377+3346
TDT 963

55' : 18393+3517
HJ 1335

59' : 18445+3400
STTA172

60' : 18360+3452
TDT 953

60' : 18366+3505
COU1307

63' : 18352+3427
CHR 75

63' : 18357+3452
GII 48

64' : 18414+3323
TDT 997

67' : 18427+3326
UC 3651

70' : 18458+3431
STF2390

73' : 18366+3328
STF2349AB



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 18403+3425 : COMPONENTS
 
 
  A Ab
Ab pa=112.4°
sep=0.19"
 
B pa=15.7°
sep=1.86"
pa=9.8°
sep=1.89"
 
 
18403+3425 A
 
 
Name HD 172715 Coord arcsec 2000 184016.21+342501.6 Mag 7.69 Spectral class K0 (yellow-orange)
PmRA 3.00 PmDE -3.0 SAO 67232 HIP 91554
Tycho2 2645-01906-1 HD 172715 BD BD+34 3274
Tycho2
Tycho2 2645-01906-1 Pflag RAmdeg 280.06755045 DEmdeg 34.41710312
PmRA 2.5 PmDE -3.1 E RAmdeg 6 E DEmdeg 5
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.45 EpDEm 1991.55
Num 4 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.9
Q pmDE 1.1 BTmag 9.379 E BTmag 0.019 VTmag 7.692
E VTmag 0.011 Prox 18 TYC T HIP 91554
CCDM A RAdeg 280.06754333 DEdeg 34.41711028 EpRA 1990 1.58
EpDE 1990 1.64 E RAdeg 5.6 E DEdeg 5.3 Posflg
Corr -0.1
SAO
SAO 67232 DelFlag RA1950 PmRA1950 -0.0011
DE1950 PmDE1950 -0.009 Vmag 7.7 SpType K0
Double code Source 6 CatNum 1720 DM BD+34 3274
DMcomp BDsup HD 172715 M HD 0
GC RA1950rad 4.88019058 DE1950rad 0.59985854 PmRA2000 -0.0008
PmDE2000 -0.009
Hipparcos
Catalog H HIP 91554 Proxy H RAhms 18 40 16.21
DEdms +34 25 01.6 Vmag 7.53 VarFlag R Vmag H
RAdeg 280.068 DEdeg 34.4171 AstroRef A Plx 3.86
CCDM 18403+3425 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 20 Rho 1.849 HD 172715 BD BD+34 3274
CD CP Dm number +34 3274 VIred 1.3
SpType K0 R SpType Coord arcsec 2000 184016.21+342501.6
Hipparcos 2
HIP 91554 Sn 15 So 3 Nc 2
RArad 4.8881006491 DErad 0.6006919111 Plx 2.9 PmRA 3.24
PmDE -1.08 E RArad 0.45 E DErad 0.53 E Plx 0.61
E pmRA 0.52 E pmDE 0.64 Hpmag 7.6866 E Hpmag 0.0013
SHp 0.012 VA 0 BV 1.071 E BV 0.197
VI 1.3
CCDM
Ccdm 18403+3425 RComp Comp A Note1
Note2 Discov num DRAs -1.79 DDEs 1.6
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.7 Sp K0 PmNote *
PmRA 2 PmDE -2 Dm number +34 3274 Cat1 BD
Name2 +34 1720 Cat2 AGK2/3 HD 172715 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 91554
 
 
18403+3425 Ab
 
 
Coord arcsec 2000 184016.22+342501.5 Mag 8.4 Calc coord yes
 
 
18403+3425 B
 
 
Coord arcsec 2000 184016.25+342503.4 Mag 11.72 PmRA 2.00 PmDE -2.0
Calc delta mag 3.32 Calc coord yes
CCDM
Ccdm 18403+3425 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.74 DDEs 3.3
R dRAs 82 Year 1991 Theta 20 Rho 1.9
Obs 1 Vmag 11.7 Sp PmNote *
PmRA 2 PmDE -2 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 91554