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Current system
18350+2844
STF 2344


Nearby doubles
5' : 18349+2840
LDS4791

5' : 18353+2842
OSO 101AB

26' : 18332+2835
MLB 691

30' : 18373+2845
SLE 99

32' : 18338+2816
MLB 568

40' : 18369+2915
SLE 98

44' : 18379+2823
AG 362

45' : 18384+2842
STF2356

49' : 18381+2911
TDT 965

50' : 18387+2858
L 53

51' : 18383+2818
SLE 361

51' : 18387+2847
L 25

53' : 18388+2823
SLE 103

54' : 18336+2934
RAO 393

69' : 18355+2735
KPP1647

71' : 18306+2805
ES 476AB

71' : 18404+2845
MLB 466AB

71' : 18386+2937
J 525

74' : 18298+2818
UC 3594

77' : 18398+2800
COU 640AB

83' : 18413+2844
MMA 16

83' : 18396+2940
SLE 102

87' : 18381+3000
J 1138

87' : 18349+2717
COU 639

87' : 18414+2820
TDT 999

88' : 18411+2808
SLE 104



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18350+2844 STF 2344

 
 
18h 35m 01.52s +28° 43' 41.5" P.A. 175.00 sep 1.5 mag 10.13,11.55 Sp A2
 
 
Coord 2000 18350+2844 Discov num STF2344 Comp Coord arcsec 2000 18 35 01.52 +28 43 41.5
Date first 1829 Date last 2016 Obs 16
Pa first 179 Pa last 175.1 P.A. Now (θ) 175.1°
Sep first 1.4 Sep last 1.522 Sep. Now (ρ) 1.522"
Mag pri 10.13 Mag sec 11.55 delta mag (ΔM) 1.42 Spectral class A2 (white)
Pri motion ra +001 Sec motion ra +001
Pri motion dec +004 Sec motion dec +004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 2119-02103-1 Gaia DR2 4587155265478364032
 
 
WDS 18350+2844 STF 2344 : 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
18350+2844 STF2344 1991 13 178 1.5 10.13 11.55 A2 183501.52+284341.5
18350+2844 STF2344 2010 14 176 1.5 10.13 11.55 A2 183501.52+284341.5
18350+2844 STF2344 2016 15 175 1.5 10.13 11.55 A2 183501.52+284341.5

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

 
 
WDS 18350+2844 STF 2344 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18350+2844 STF 2344 : MEASURES
 
 
No records found.

 
 
WDS 18350+2844 : VIRTUAL EYEPIECE
 
 

18350+2844 STF2344A mag 10.13 Sp A2 18350+2844 STF2344B sep 1.5 P.A. 175.70 mag 11.55 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18350+2844 : ALADIN DSS IMAGE @ 18h 35m 01.52s +28° 43' 41.5"
 
 
 
 
WDS 18350+2844 STF 2344 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18350+2844 STF2344 distance=0' 18349+2840 LDS4791 distance=5' 18353+2842 OSO 101AB distance=5' 18353+2842 OSO 101AC distance=5' 18353+2842 OSO 101AD distance=5' 18353+2842 OSO 101AE distance=5' 18353+2842 OSO 101AF distance=5' 18332+2835 MLB 691 distance=26' 18373+2845 SLE 99 distance=30' 18338+2816 MLB 568 distance=32' 18369+2915 SLE 98 distance=40' 18379+2823 AG 362 distance=44' 18384+2842 STF2356 distance=45' 18381+2911 TDT 965 distance=49' 18387+2858 L 53 distance=50' 18383+2818 SLE 361 distance=51' 18387+2847 L 25 distance=51' 18388+2823 SLE 103 distance=53' 18336+2934 RAO 393 distance=54' 18355+2735 KPP1647 distance=69' 18306+2805 ES 476AB distance=71' 18306+2805 ES 476AC distance=71' 18404+2845 MLB 466BC distance=71' 18404+2845 MLB 466AB distance=71' 18404+2845 SLE 96AD distance=71' 18404+2845 SLE 96AE distance=71' 18404+2845 MLB 466AC distance=71' 18386+2937 J 525 distance=71' 18298+2818 UC 3594 distance=74' 18398+2800 SLE 97AC distance=77' 18398+2800 COU 640AB distance=77' 18413+2844 MMA 16 distance=83' 18396+2940 SLE 102 distance=83' 18381+3000 J 1138 distance=87' 18349+2717 COU 639 distance=87' 18414+2820 TDT 999 distance=87' 18411+2808 SLE 104 distance=88' 18292+2933 HO 434 distance=92' 18280+2837 COU 638 distance=93' 18393+2731 TDT 976 distance=93' 18421+2857 HDS2648 distance=94' 18422+2851 LDS4795 distance=96' 18394+3000 SLE 101 distance=96' 18422+2922 RAO 396 distance=102' 18295+2955 STF2328AB distance=103' 18295+2955 WAL 91AC distance=103' 18273+2856 HO 433 distance=103' 18349+2701 ES 477 distance=103' 18295+2959 KU 118 distance=103' 18395+3009 LDS4794 distance=105' 18292+2955 STF2327 distance=105' 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 18350+2844 STF2344 175 1.5
Show 18349+2840 LDS4791 77 15.6 5
Show 18353+2842 OSO 101 AB 321 9.7 5
Show 18353+2842 OSO 101 AC 121 11.1 5
Show 18353+2842 OSO 101 AD 132 15.3 5
Show 18353+2842 OSO 101 AE 88 17.8 5
Show 18353+2842 OSO 101 AF 49 24.5 5
Show 18332+2835 MLB 691 18 4.3 26
Show 18373+2845 SLE 99 317 4.5 30
Show 18338+2816 MLB 568 207 3.8 32
Show 18369+2915 SLE 98 315 11.2 40
Show 18379+2823 AG 362 341 28.7 44
Show 18384+2842 STF2356 63 1.0 45
Show 18381+2911 TDT 965 141 0.6 49
Show 18387+2858 L 53 21 8.3 50
Show 18383+2818 SLE 361 8 19.9 51
Show 18387+2847 L 25 252 1.3 51
Show 18388+2823 SLE 103 13 8.4 53
Show 18336+2934 RAO 393 69 1.7 54
Show 18355+2735 KPP1647 334 12.7 69
Show 18306+2805 ES 476 AB 347 2.8 71
Show 18306+2805 ES 476 AC 325 28.9 71
Show 18404+2845 MLB 466 BC 289 4.6 71
Show 18404+2845 MLB 466 AB 351 42.6 71
Show 18404+2845 SLE 96 AD 53 35.5 71
Show 18404+2845 SLE 96 AE 280 67.2 71
Show 18404+2845 MLB 466 AC 346 45.0 71
Show 18386+2937 J 525 70 3.1 71
Show 18298+2818 UC 3594 71 13.4 74
Show 18398+2800 SLE 97 AC 60 10.1 77
Show 18398+2800 COU 640 AB 90 0.4 77
Show 18413+2844 MMA 16 8 12.4 83
Show 18396+2940 SLE 102 103 13.3 83
Show 18381+3000 J 1138 300 2.7 87
Show 18349+2717 COU 639 268 0.7 87
Show 18414+2820 TDT 999 147 1.8 87
Show 18411+2808 SLE 104 198 9.8 88
Show 18292+2933 HO 434 184 18.6 92
Show 18280+2837 COU 638 136 3.3 93
Show 18393+2731 TDT 976 80 0.9 93
Show 18421+2857 HDS2648 194 0.3 94
Show 18422+2851 LDS4795 163 132.8 96
Show 18394+3000 SLE 101 235 20.2 96
Show 18422+2922 RAO 396 110 0.9 102
Show 18295+2955 STF2328 AB 72 3.7 103
Show 18295+2955 WAL 91 AC 352 53.9 103
Show 18273+2856 HO 433 328 9.8 103
Show 18349+2701 ES 477 227 10.2 103
Show 18295+2959 KU 118 323 50.4 103
Show 18395+3009 LDS4794 13 224.9 105
Show 18292+2955 STF2327 314 19.6 105

 
 
WDS 18350+2844 : COMPONENTS
 
 
  A
B pa=175.7°
sep=1.52"
 
 
18350+2844 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183501.52+284341.5 Mag 10.13 Spectral class A2 (white)
PmRA 1.00 PmDE 4.0 Tycho2 2119-02103-1
Tycho2
Tycho2 2119-02103-1 Pflag P RAmdeg 278.75631536 DEmdeg 28.72819832
PmRA 0.7 PmDE 4.4 E RAmdeg 15 E DEmdeg 13
E pmRA 1.6 E pmDE 1.5 EpRAm 1990.29 EpDEm 1990.55
Num 6 Q RAmdeg 1.3 Q DEmdeg 1.4 Q pmRA 1.3
Q pmDE 1.4 BTmag 10.169 E BTmag 0.023 VTmag 10.130
E VTmag 0.027 Prox 15 TYC T HIP
CCDM RAdeg 278.75631194 DEdeg 28.72823889 EpRA 1990 1.53
EpDE 1990 1.69 E RAdeg 14.6 E DEdeg 13.2 Posflg D
Corr 0.0
CCDM
Ccdm 18350+2844 RComp Comp A Note1
Note2 Discov num DRAs 1.59 DDEs -19.3
R dRAs 12 Year Theta Rho
Obs 2 Vmag 9.7 Sp A2 PmNote
PmRA 41 PmDE -11 Dm number +28 3027 Cat1 BD
Name2 +28 1808 Cat2 AGK2/3 HD M HD
ADS BDS A11476 M ADS BDS N IDS IDS 18311N2839A
HIC
 
 
18350+2844 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183501.53+284340.0 Mag 11.55 PmRA 1.00
PmDE 4.0 Tycho2 2119-02103-2 Calc delta mag 1.42 Calc coord yes
Tycho2
Tycho2 2119-02103-2 Pflag P RAmdeg 278.75631536 DEmdeg 28.72819832
PmRA 0.7 PmDE 4.4 E RAmdeg 15 E DEmdeg 13
E pmRA 1.6 E pmDE 1.5 EpRAm 1990.29 EpDEm 1990.55
Num 6 Q RAmdeg 1.3 Q DEmdeg 1.4 Q pmRA 1.3
Q pmDE 1.4 BTmag 11.734 E BTmag 0.064 VTmag 11.552
E VTmag 0.090 Prox 15 TYC HIP
CCDM RAdeg 278.75632722 DEdeg 28.72781500 EpRA 1990 1.53
EpDE 1990 1.69 E RAdeg 48.3 E DEdeg 43.6 Posflg D
Corr 0.0
CCDM
Ccdm 18350+2844 RComp Comp B Note1
Note2 Discov num STF2344 DRAs DDEs
R dRAs Year 1829 Theta 177 Rho 1.5
Obs 8 Vmag 14.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11476 M ADS BDS N IDS IDS 18311N2839B
HIC