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Doubles in session


Current system
18121+2739
STF 2292
HD 167007


Nearby doubles
23' : 18129+2800
ES 472

39' : 18130+2815
H 5 93

40' : 18115+2700
UC 3523

45' : 18089+2725
SLE 111

51' : 18124+2649
TDT 735

52' : 18083+2745
LDS4776

58' : 18120+2640
BRT3329

65' : 18103+2839
UC 3512

66' : 18169+2718
MIL 4

69' : 18072+2716
SLE 110

73' : 18112+2850
TDT 727

74' : 18082+2830
UC 3502

78' : 18139+2851
COU 637

79' : 18072+2822
TDT 691

81' : 18070+2824
HDS2553

83' : 18090+2851
BRT 33

83' : 18169+2647
A 240

84' : 18176+2659
HJ 1317

85' : 18173+2825
GRV 232

85' : 18059+2759
KPP3327

86' : 18185+2749
COU1008

87' : 18173+2832
LDS4782

90' : 18172+2640
A 241

91' : 18075+2846
STA 2

91' : 18165+2848
KPP4098

94' : 18177+2642
TDT 779



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 18121+2739 : COMPONENTS
 
 
  A
B pa=276.2°
sep=0.74"
 
 
18121+2739 A
 
 
Componente originario normalizzato AB Name HD 167007 Coord arcsec 2000 181206.74+273835.9 Mag 8.3
Spectral class A2 (white) PmRA 17.00 PmDE -4.0 SAO 85818
HIP 89190 Tycho2 2100-01710-1 HD 167007 GC 24834
BD BD+27 2977
Tycho2
Tycho2 2100-01710-1 Pflag P RAmdeg 273.02810381 DEmdeg 27.64329744
PmRA 17.3 PmDE -3.5 E RAmdeg 6 E DEmdeg 5
E pmRA 1.7 E pmDE 1.7 EpRAm 1991.37 EpDEm 1991.58
Num 6 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.2 BTmag 8.559 E BTmag 0.017 VTmag 8.303
E VTmag 0.012 Prox 10 TYC T HIP 89190
CCDM A RAdeg 273.02817694 DEdeg 27.64330111 EpRA 1990 1.54
EpDE 1990 1.71 E RAdeg 5.8 E DEdeg 5.3 Posflg D
Corr 0.0
SAO
SAO 85818 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 0.006 Vmag 7.8 SpType A2
Double code Source 70 CatNum 24834 DM BD+27 2977
DMcomp BDsup HD 167007 M HD 0
GC 24834 RA1950rad 4.75659001 DE1950rad 0.48223245 PmRA2000 0.0013
PmDE2000 0.006
Hipparcos
Catalog H HIP 89190 Proxy H RAhms 18 12 06.76
DEdms +27 38 35.9 Vmag 7.69 VarFlag R Vmag H
RAdeg 273.028 DEdeg 27.6433 AstroRef A Plx 3.92
CCDM 18121+2739 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 272 Rho 0.963 HD 167007 BD BD+27 2977
CD CP Dm number +27 2977 VIred 0.22
SpType A2 R SpType Coord arcsec 2000 181206.76+273835.9
Hipparcos 2
HIP 89190 Sn 15 So 3 Nc 2
RArad 4.7652406776 DErad 0.4824666101 Plx 5.77 PmRA 18.78
PmDE -4.88 E RArad 0.58 E DErad 0.99 E Plx 1.15
E pmRA 0.78 E pmDE 1.34 Hpmag 7.7531 E Hpmag 0.0015
SHp 0.013 VA 0 BV 0.209 E BV 0.017
VI 0.23
CCDM
Ccdm 18121+2739 RComp Comp A Note1
Note2 Discov num DRAs 0.70 DDEs -24.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp A2 PmNote *
PmRA 10 PmDE -7 Dm number +27 2977 Cat1 BD
Name2 +27 1728 Cat2 AGK2/3 HD 167007 M HD
ADS BDS A11155 M ADS BDS N IDS IDS 18082N2737A
HIC 89190
 
 
18121+2739 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181206.68+273836.0 Mag 8.62 PmRA 17.00
PmDE -4.0 HIP 89190 Tycho2 2100-01710-2 Calc delta mag 0.32
Calc coord yes
Tycho2
Tycho2 2100-01710-2 Pflag P RAmdeg 273.02810381 DEmdeg 27.64329744
PmRA 17.3 PmDE -3.5 E RAmdeg 6 E DEmdeg 5
E pmRA 1.7 E pmDE 1.7 EpRAm 1991.37 EpDEm 1991.58
Num 6 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.2 BTmag 8.810 E BTmag 0.017 VTmag 8.622
E VTmag 0.013 Prox 10 TYC T HIP 89190
CCDM B RAdeg 273.02787806 DEdeg 27.64331250 EpRA 1990 1.53
EpDE 1990 1.71 E RAdeg 6.5 E DEdeg 5.9 Posflg D
Corr 0.0
Hipparcos
Catalog H HIP 89190 Proxy H RAhms 18 12 06.76
DEdms +27 38 35.9 Vmag 7.69 VarFlag R Vmag H
RAdeg 273.028 DEdeg 27.6433 AstroRef A Plx 3.92
CCDM 18121+2739 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 272 Rho 0.963 HD 167007 BD BD+27 2977
CD CP Dm number +27 2977 VIred 0.22
SpType A2 R SpType Coord arcsec 2000 181206.76+273835.9
Hipparcos 2
HIP 89190 Sn 15 So 3 Nc 2
RArad 4.7652406776 DErad 0.4824666101 Plx 5.77 PmRA 18.78
PmDE -4.88 E RArad 0.58 E DErad 0.99 E Plx 1.15
E pmRA 0.78 E pmDE 1.34 Hpmag 7.7531 E Hpmag 0.0015
SHp 0.013 VA 0 BV 0.209 E BV 0.017
VI 0.23
CCDM
Ccdm 18121+2739 RComp Comp B Note1
Note2 Discov num STF2292 DRAs DDEs
R dRAs Year 1954 Theta 267 Rho 1.1
Obs 99 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11155 M ADS BDS N IDS IDS 18082N2737B
HIC 89190