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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.

18121+2739 STF 2292 (HD 167007)

 
 
18h 12m 06.74s +27° 38' 35.9" P.A. 276.00 sep 0.8 mag 8.30,8.62 Sp A2 dist. 173.31 pc (565.34 l.y.)
 
 
Coord 2000 18121+2739 Discov num STF2292 Comp Coord arcsec 2000 18 12 06.74 +27 38 35.9
Date first 1830 Date last 2016 Obs 102
Pa first 261 Pa last 275.5 P.A. Now (θ) 275.5°
Sep first 1.4 Sep last 0.834 Sep. Now (ρ) 0.834"
Mag pri 8.30 Mag sec 8.62 delta mag (ΔM) 0.32 Spectral class A2 (white)
Pri motion ra +017 Sec motion ra +017
Pri motion dec -004 Sec motion dec -004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 167007 Constellation Hercules SAO 85818 HIP 89190
Tycho2 2100-01710-1 Gaia DR2 4589180630316438656 HD 167007 GC 24834
BD BD+27 2977 Distance 173.31 Distance ly 565.34
 
 
WDS 18121+2739 STF 2292 (HD 167007) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18121+2739 STF2292 2005 103 273 0.9 8.30 8.62 A2 D 181206.74+273835.9
18121+2739 STF2292 2010 107 275 0.9 8.30 8.62 A2 D 181206.74+273835.9
18121+2739 STF2292 2012 94 275 0.9 8.30 8.62 A2 181206.74+273835.9
18121+2739 STF2292 2014 96 275 0.9 8.30 8.62 A2 181206.74+273835.9
18121+2739 STF2292 2015 97 273 0.8 8.30 8.62 A2 181206.74+273835.9
18121+2739 STF2292 2016 99 276 0.8 8.30 8.62 A2 181206.74+273835.9

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 18121+2739 STF 2292 (HD 167007) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18121+2739 STF 2292 (HD 167007) : MEASURES
 
 
No records found.

 
 
WDS 18121+2739 (HD 167007) : VIRTUAL EYEPIECE
 
 

18121+2739 STF2292A mag 8.3 Sp A2 18121+2739 STF2292B sep 0.7 P.A. 276.20 mag 8.62 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18121+2739 (HD 167007) : ALADIN DSS IMAGE @ 18h 12m 06.74s +27° 38' 35.9"
 
 
 
 
WDS 18121+2739 STF 2292 (HD 167007) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18121+2739 STF2292 distance=0' 18129+2800 ES 472 distance=23' 18130+2815 H 5 93 distance=39' 18115+2700 UC 3523 distance=40' 18089+2725 SLE 111 distance=45' 18124+2649 TDT 735 distance=51' 18083+2745 LDS4776 distance=52' 18120+2640 BRT3329 distance=58' 18103+2839 UC 3512 distance=65' 18169+2718 MIL 4 distance=66' 18072+2716 SLE 110 distance=69' 18112+2850 TDT 727 distance=73' 18082+2830 UC 3502 distance=74' 18139+2851 COU 637 distance=78' 18072+2822 TDT 691 distance=79' 18070+2824 HDS2553 distance=81' 18090+2851 BRT 33 distance=83' 18169+2647 A 240 distance=83' 18176+2659 HJ 1317 distance=84' 18173+2825 GRV 232 distance=85' 18059+2759 KPP3327 distance=85' 18185+2749 COU1008 distance=86' 18173+2832 LDS4782 distance=87' 18172+2640 A 241 distance=90' 18075+2846 STA 2 distance=91' 18165+2848 KPP4098 distance=91' 18177+2642 TDT 779 distance=94' 18063+2643 TDT 683 distance=95' 18156+2902 KPP1398 distance=96' 18178+2640 LEP 88 distance=97' 18191+2808 HJ 1318 distance=98' 18131+2602 LWR 14AB distance=98' 18131+2602 LWR 14AC distance=98' 18131+2602 BWL 48AD distance=98' 18047+2750 SLE 109 distance=99' 18063+2843 HJ 1313 distance=100' 18047+2707 ES 471AB distance=105' 18047+2707 ES 471AC distance=105' 18047+2707 SLE 106AD distance=105' 18047+2707 SLE 106AE distance=105' 18047+2707 SLE 106AF distance=105' 18086+2916 UC 3505 distance=108' 18190+2643 TDT 792 distance=108' 18119+2927 BRT 34 distance=109' 18078+2606 CHR 67Aa,Ab distance=109' 18078+2606 STF2280AB distance=109' 18078+2606 STF2280AC distance=109' 18164+2912 OSO 97AB distance=110' 18164+2912 OSO 97AC distance=110' 18164+2912 OSO 97AD distance=110' 18208+2732 BU 640 distance=116' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 18121+2739 STF2292 276 0.8
Show 18129+2800 ES 472 11 3.5 23
Show 18130+2815 H 5 93 136 54.8 39
Show 18115+2700 UC 3523 266 47.6 40
Show 18089+2725 SLE 111 313 14.7 45
Show 18124+2649 TDT 735 187 2.3 51
Show 18083+2745 LDS4776 300 208.0 52
Show 18120+2640 BRT3329 238 4.6 58
Show 18103+2839 UC 3512 28 28.3 65
Show 18169+2718 MIL 4 130 16.6 66
Show 18072+2716 SLE 110 115 10.8 69
Show 18112+2850 TDT 727 343 0.4 73
Show 18082+2830 UC 3502 249 20.1 74
Show 18139+2851 COU 637 302 3.1 78
Show 18072+2822 TDT 691 201 0.9 79
Show 18070+2824 HDS2553 300 0.1 81
Show 18090+2851 BRT 33 110 3.5 83
Show 18169+2647 A 240 349 2.4 83
Show 18176+2659 HJ 1317 141 14.7 84
Show 18173+2825 GRV 232 170 16.7 85
Show 18059+2759 KPP3327 166 2.9 85
Show 18185+2749 COU1008 92 2.0 86
Show 18173+2832 LDS4782 61 48.1 87
Show 18172+2640 A 241 288 0.7 90
Show 18075+2846 STA 2 87 0.1 91
Show 18165+2848 KPP4098 265 2.0 91
Show 18177+2642 TDT 779 169 0.5 94
Show 18063+2643 TDT 683 167 0.8 95
Show 18156+2902 KPP1398 302 10.4 96
Show 18178+2640 LEP 88 241 39.8 97
Show 18191+2808 HJ 1318 140 10.0 98
Show 18131+2602 LWR 14 AB 226 1.5 98
Show 18131+2602 LWR 14 AC 100 10.0 98
Show 18131+2602 BWL 48 AD 262 4.1 98
Show 18047+2750 SLE 109 79 9.7 99
Show 18063+2843 HJ 1313 297 13.7 100
Show 18047+2707 ES 471 AB 274 24.3 105
Show 18047+2707 ES 471 AC 44 24.3 105
Show 18047+2707 SLE 106 AD 244 88.5 105
Show 18047+2707 SLE 106 AE 43 183.4 105
Show 18047+2707 SLE 106 AF 340 129.9 105
Show 18086+2916 UC 3505 255 42.2 108
Show 18190+2643 TDT 792 213 0.8 108
Show 18119+2927 BRT 34 164 5.4 109
Show 18078+2606 CHR 67 Aa,Ab 300 0.1 109
Show 18078+2606 STF2280 AB 182 14.3 109
Show 18078+2606 STF2280 AC 127 79.9 109
Show 18164+2912 OSO 97 AB 100 18.6 110
Show 18164+2912 OSO 97 AC 11 21.8 110
Show 18164+2912 OSO 97 AD 273 20.3 110
Show 18208+2732 BU 640 322 0.7 116

 
 
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