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Doubles in session


Current system
17445+1900
STF 2206
HD 161384


Nearby doubles
33' : 17439+1829
TDT 480

52' : 17476+1831
UC 3409

59' : 17471+1945
UC 3405AB

71' : 17453+1750
TDT 488

72' : 17433+1751
BPM 696

79' : 17457+1743
STF2205

79' : 17438+1742
TOB 264

81' : 17433+1741
STH 4

82' : 17428+2017
COU 28

83' : 17440+1738
TOB 265

83' : 17429+2019
COU 29

86' : 17387+1840
SLO 1AB

87' : 17471+1742
STF2215

87' : 17387+1834
BUP 177AB

94' : 17434+2032
UC 3390

95' : 17406+2017
AG 211

96' : 17483+1740
BPM 700

98' : 17422+2031
BRT2437

99' : 17429+1724
TOB 266

100' : 17510+1821
HDS2517

108' : 17484+1727
ARG 79

109' : 17487+1728
DAM 280

116' : 17372+1809
TDT 436

117' : 17503+1737
BPM 702

119' : 17421+1707
LDS1001

123' : 17527+1940
BRT2439



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.

17445+1900 STF 2206 (HD 161384)

 
 
17h 44m 32.13s +18° 59' 31.8" P.A. 248.00 sep 0.9 mag 8.83,9.82 Sp B9 dist. 584.8 pc (1907.62 l.y.)
 
 
Coord 2000 17445+1900 Discov num STF2206 Comp Coord arcsec 2000 17 44 32.13 +18 59 31.8
Date first 1830 Date last 2015 Obs 32
Pa first 249 Pa last 247.9 P.A. Now (θ) 247.9°
Sep first 1.1 Sep last 0.9 Sep. Now (ρ) 0.9"
Mag pri 8.83 Mag sec 9.82 delta mag (ΔM) 0.99 Spectral class B9 (blue-white)
Pri motion ra -005 Sec motion ra -005
Pri motion dec -011 Sec motion dec -011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 161384 Constellation Hercules SAO 103073 HIP 86828
Tycho2 1560-02235-1 Gaia DR2 4552077064979982720 HD 161384 GC 24081
BD BD+19 3416 Distance 584.8 Distance ly 1907.62
 
 
WDS 17445+1900 STF 2206 (HD 161384) : 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
17445+1900 STF2206 2005 28 248 1.0 8.83 9.82 B9 D 174432.13+185931.8
17445+1900 STF2206 2008 29 248 1.0 8.83 9.82 B9 D 174432.13+185931.8
17445+1900 STF2206 2011 30 249 1.0 8.83 9.82 B9 174432.13+185931.8
17445+1900 STF2206 2015 31 248 0.9 8.83 9.82 B9 174432.13+185931.8

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

 
 
WDS 17445+1900 STF 2206 (HD 161384) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17445+1900 STF 2206 (HD 161384) : MEASURES
 
 
No records found.

 
 
WDS 17445+1900 (HD 161384) : VIRTUAL EYEPIECE
 
 

17445+1900 STF2206A mag 8.83 Sp B9 17445+1900 STF2206B sep 0.9 P.A. 246.80 mag 9.82 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 17445+1900 (HD 161384) : ALADIN DSS IMAGE @ 17h 44m 32.13s +18° 59' 31.8"
 
 
 
 
WDS 17445+1900 STF 2206 (HD 161384) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17445+1900 STF2206 distance=0' 17439+1829 TDT 480 distance=33' 17476+1831 UC 3409 distance=52' 17471+1945 UC 3405AB distance=59' 17471+1945 UC 3405AC distance=59' 17453+1750 TDT 488 distance=71' 17433+1751 BPM 696 distance=72' 17457+1743 STF2205 distance=79' 17438+1742 TOB 264 distance=79' 17433+1741 STH 4 distance=81' 17428+2017 COU 28 distance=82' 17440+1738 TOB 265 distance=83' 17429+2019 COU 29 distance=83' 17387+1840 SLO 1AB distance=86' 17387+1840 SLO 1AC distance=86' 17471+1742 STF2215 distance=87' 17387+1834 BUP 177AB distance=87' 17387+1834 BUP 177AC distance=87' 17387+1834 BUP 177BC distance=92' 17387+1834 OSO 82CD distance=93' 17434+2032 UC 3390 distance=94' 17406+2017 AG 211 distance=95' 17483+1740 BPM 700 distance=96' 17422+2031 BRT2437 distance=98' 17429+1724 TOB 266 distance=99' 17510+1821 HDS2517 distance=100' 17484+1727 ARG 79 distance=108' 17487+1728 DAM 280 distance=109' 17372+1809 TDT 436 distance=116' 17503+1737 BPM 702 distance=117' 17421+1707 LDS1001 distance=119' 17527+1940 BRT2439 distance=123' 17376+1747 BPM 690 distance=123' 17533+1904 KU 56AB distance=125' 17533+1904 KU 56AC distance=125' 17421+2103 A 1371 distance=128' 17452+2107 COU 630 distance=129' 17353+1853 KPP3319 distance=131' 17457+1650 A 2092 distance=132' 17428+1646 BPMA 51 distance=136' 17513+1723 TDT 536 distance=137' 17506+2046 GRV 966 distance=138' 17414+2111 STF2195 distance=138' 17416+2111 STF2196 distance=138' 17375+2036 GAU 21AB distance=139' 17524+1733 BPM 703 distance=142' 17477+1641 UC 3411 distance=147' 17348+1812 TDT 422 distance=147' 17387+2106 KPP3320 distance=151' 17420+2127 STF2197 distance=152' 17421+2127 DRD 1 distance=152' 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 17445+1900 STF2206 248 0.9
Show 17439+1829 TDT 480 303 1.0 33
Show 17476+1831 UC 3409 235 19.2 52
Show 17471+1945 UC 3405 AB 259 27.2 59
Show 17471+1945 UC 3405 AC 226 1.2 59
Show 17453+1750 TDT 488 1 0.7 71
Show 17433+1751 BPM 696 335 109.5 72
Show 17457+1743 STF2205 21 0.8 79
Show 17438+1742 TOB 264 175 17.3 79
Show 17433+1741 STH 4 49 15.3 81
Show 17428+2017 COU 28 169 3.5 82
Show 17440+1738 TOB 265 259 15.1 83
Show 17429+2019 COU 29 191 2.6 83
Show 17387+1840 SLO 1 AB 219 1.7 86
Show 17387+1840 SLO 1 AC 149 146.3 86
Show 17471+1742 STF2215 249 0.4 87
Show 17387+1834 BUP 177 AB 266 272.2 87
Show 17387+1834 BUP 177 AC 269 374.3 87
Show 17387+1834 BUP 177 BC 270 104.9 92
Show 17387+1834 OSO 82 CD 202 9.9 93
Show 17434+2032 UC 3390 41 23.6 94
Show 17406+2017 AG 211 130 2.7 95
Show 17483+1740 BPM 700 143 67.0 96
Show 17422+2031 BRT2437 58 4.1 98
Show 17429+1724 TOB 266 80 24.0 99
Show 17510+1821 HDS2517 211 0.5 100
Show 17484+1727 ARG 79 119 30.1 108
Show 17487+1728 DAM 280 177 5.6 109
Show 17372+1809 TDT 436 184 0.1 116
Show 17503+1737 BPM 702 294 118.8 117
Show 17421+1707 LDS1001 116 42.8 119
Show 17527+1940 BRT2439 181 4.7 123
Show 17376+1747 BPM 690 210 65.8 123
Show 17533+1904 KU 56 AB 127 2.8 125
Show 17533+1904 KU 56 AC 3 25.2 125
Show 17421+2103 A 1371 113 0.1 128
Show 17452+2107 COU 630 124 0.2 129
Show 17353+1853 KPP3319 343 3.2 131
Show 17457+1650 A 2092 337 0.9 132
Show 17428+1646 BPMA 51 170 128.6 136
Show 17513+1723 TDT 536 61 1.1 137
Show 17506+2046 GRV 966 84 27.8 138
Show 17414+2111 STF2195 286 21.6 138
Show 17416+2111 STF2196 257 3.3 138
Show 17375+2036 GAU 21 AB 4 16.0 139
Show 17524+1733 BPM 703 353 82.3 142
Show 17477+1641 UC 3411 258 13.4 147
Show 17348+1812 TDT 422 139 0.5 147
Show 17387+2106 KPP3320 250 1.7 151
Show 17420+2127 STF2197 357 7.9 152
Show 17421+2127 DRD 1 352 17.2 152

 
 
WDS 17445+1900 : COMPONENTS
 
 
  A
B pa=246.8°
sep=0.86"
 
 
17445+1900 A
 
 
Componente originario normalizzato AB Name HD 161384 Coord arcsec 2000 174432.13+185931.8 Mag 8.83
Spectral class B9 (blue-white) PmRA -5.00 PmDE -11.0 SAO 103073
HIP 86828 Tycho2 1560-02235-1 HD 161384 GC 24081
BD BD+19 3416
Tycho2
Tycho2 1560-02235-1 Pflag P RAmdeg 266.13389110 DEmdeg 18.99216516
PmRA -4.7 PmDE -10.5 E RAmdeg 7 E DEmdeg 7
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.10 EpDEm 1991.09
Num 7 Q RAmdeg 2.0 Q DEmdeg 2.4 Q pmRA 1.9
Q pmDE 2.3 BTmag 8.852 E BTmag 0.016 VTmag 8.832
E VTmag 0.014 Prox 11 TYC T HIP 86828
CCDM A RAdeg 266.13394889 DEdeg 18.99220750 EpRA 1990 1.54
EpDE 1990 1.53 E RAdeg 6.7 E DEdeg 7.0 Posflg D
Corr 0.0
SAO
SAO 103073 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 -0.001 Vmag 8 SpType B9
Double code Source 70 CatNum 24081 DM BD+19 3416
DMcomp BDsup HD 161384 M HD 0
GC 24081 RA1950rad 4.6354019 DE1950rad 0.33182853 PmRA2000 0.0009
PmDE2000 0
Hipparcos
Catalog H HIP 86828 Proxy H RAhms 17 44 32.15
DEdms +18 59 32.0 Vmag 8.51 VarFlag R Vmag H
RAdeg 266.134 DEdeg 18.9922 AstroRef A Plx 0.82
CCDM 17445+1900 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 248 Rho 1.058 HD 161384 BD BD+19 3416
CD CP Dm number +19 3416 VIred 0.02
SpType B9 R SpType Coord arcsec 2000 174432.15+185932.0
Hipparcos 2
HIP 86828 Sn 15 So 3 Nc 2
RArad 4.6449136761 DErad 0.3314765635 Plx 1.71 PmRA -3.77
PmDE -4.14 E RArad 0.81 E DErad 0.92 E Plx 1.19
E pmRA 0.96 E pmDE 1.2 Hpmag 8.5255 E Hpmag 0.0019
SHp 0.018 VA 0 BV 0.04 E BV 0.015
VI 0.06
CCDM
Ccdm 17445+1900 RComp Comp A Note1
Note2 Discov num DRAs 2.09 DDEs -26.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp B9 PmNote *
PmRA -15 PmDE 21 Dm number +19 3416 Cat1 BD
Name2 +19 1651 Cat2 AGK2/3 HD 161384 M HD
ADS BDS A10756 M ADS BDS N IDS IDS 17402N1902A
HIC 86828
 
 
17445+1900 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 174432.07+185931.5 Mag 9.82 PmRA -5.00
PmDE -11.0 Tycho2 1560-02235-2 Calc delta mag 0.99 Calc coord yes
Tycho2
Tycho2 1560-02235-2 Pflag P RAmdeg 266.13389110 DEmdeg 18.99216516
PmRA -4.7 PmDE -10.5 E RAmdeg 7 E DEmdeg 7
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.10 EpDEm 1991.09
Num 7 Q RAmdeg 2.0 Q DEmdeg 2.4 Q pmRA 1.9
Q pmDE 2.3 BTmag 10.101 E BTmag 0.026 VTmag 9.816
E VTmag 0.026 Prox 11 TYC HIP 86828
CCDM B RAdeg 266.13366111 DEdeg 18.99209556 EpRA 1990 1.54
EpDE 1990 1.54 E RAdeg 14.7 E DEdeg 15.7 Posflg D
Corr 0.0
CCDM
Ccdm 17445+1900 RComp Comp B Note1
Note2 Discov num STF2206 DRAs DDEs
R dRAs Year 1830 Theta 246 Rho 1.1
Obs 13 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10756 M ADS BDS N IDS IDS 17402N1902B
HIC 86828