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Doubles in session


Current system
18487+3401
HU 936


Nearby doubles
18' : 18496+3415
COU1155

20' : 18491+3343
UC 3682

21' : 18475+3415
KPP4122

30' : 18483+3432
POP 43

30' : 18465+3414
COU1153

32' : 18490+3432
YSC 11

36' : 18494+3324
J 765

39' : 18518+3410
GYL 10

39' : 18515+3418
DAM1253

42' : 18488+3319
HJ 1349AB

43' : 18501+3322
STFA 39AB
Sheliak

46' : 18462+3328
COU1152

47' : 18495+3316
STF2407

47' : 18458+3431
STF2390

48' : 18535+3437
L 26

53' : 18445+3400
STTA172

55' : 18506+3313
TAR 3AB

60' : 18523+3321
ES 2233AB

61' : 18493+3301
ES 2287

62' : 18473+3302
TDS 945

65' : 18464+3500
SLE 367

69' : 18438+3433
SEI 573

69' : 18528+3448
DAM 288AB

72' : 18469+3254
KPP4121

72' : 18495+3512
POP 44

74' : 18498+3249
H 5 40AB



Selections
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Binocular doubles
Binary Systems
Triple Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 18487+3401 : COMPONENTS
 
 
  A
B pa=103.4°
sep=1.54"
 
 
18487+3401 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184842.19+340104.8 Mag 9.66 Spectral class F8 (yellow-white)
PmRA -22.00 PmDE 20.0 Tycho2 2646-02225-2
Tycho2
Tycho2 2646-02225-2 Pflag P RAmdeg 282.17578644 DEmdeg 34.01800948
PmRA -22.0 PmDE 20.3 E RAmdeg 17 E DEmdeg 17
E pmRA 1.9 E pmDE 1.8 EpRAm 1990.25 EpDEm 1990.17
Num 7 Q RAmdeg 1.4 Q DEmdeg 1.1 Q pmRA 1.4
Q pmDE 1.2 BTmag 10.198 E BTmag 0.029 VTmag 9.659
E VTmag 0.027 Prox 18 TYC T HIP
CCDM RAdeg 282.17558556 DEdeg 34.01800583 EpRA 1990 1.56
EpDE 1990 1.60 E RAdeg 17.2 E DEdeg 16.8 Posflg D
Corr 0.1
CCDM
Ccdm 18487+3401 RComp Comp A Note1
Note2 Discov num DRAs 0.22 DDEs 5.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp PmNote *
PmRA -3 PmDE 37 Dm number +33 3212 Cat1 BD
Name2 +33 1681 Cat2 AGK2/3 HD M HD
ADS BDS A11717 M ADS BDS N IDS IDS 18450N3354A
HIC
 
 
18487+3401 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184842.31+340104.4 Mag 9.85 PmRA -22.00
PmDE 20.0 Tycho2 2646-02225-1 Calc delta mag 0.19 Calc coord yes
Tycho2
Tycho2 2646-02225-1 Pflag P RAmdeg 282.17578644 DEmdeg 34.01800948
PmRA -22.0 PmDE 20.3 E RAmdeg 17 E DEmdeg 17
E pmRA 1.9 E pmDE 1.8 EpRAm 1990.25 EpDEm 1990.17
Num 7 Q RAmdeg 1.4 Q DEmdeg 1.1 Q pmRA 1.4
Q pmDE 1.2 BTmag 10.317 E BTmag 0.032 VTmag 9.846
E VTmag 0.032 Prox 18 TYC T HIP
CCDM RAdeg 282.17617194 DEdeg 34.01790778 EpRA 1990 1.56
EpDE 1990 1.59 E RAdeg 20.1 E DEdeg 20.0 Posflg D
Corr 0.1
CCDM
Ccdm 18487+3401 RComp Comp B Note1
Note2 Discov num HU 936 DRAs DDEs
R dRAs Year 1904 Theta 101 Rho 1.9
Obs 12 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11717 M ADS BDS N IDS IDS 18450N3354B
HIC