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Doubles in session


Current system
18435+2743
STF 2374 AC


Nearby doubles
18' : 18422+2739
STF2371

18' : 18441+2728
RAO 397

22' : 18421+2753
TDT1009

23' : 18446+2727
TVB 8

26' : 18443+2720
TDS 941

34' : 18456+2759
TDT1037

36' : 18461+2734
SLE 366

39' : 18446+2819
SLE 365

40' : 18460+2720
HJ 1343

40' : 18411+2808
SLE 104

41' : 18421+2707
SLE 363AB

41' : 18459+2719
PHL9001

43' : 18455+2815
STF2381

44' : 18448+2704
TDT1029

47' : 18414+2820
TDT 999

51' : 18464+2815
TDT1047

52' : 18398+2800
COU 640AB

54' : 18408+2703
SLE 362

57' : 18393+2731
TDT 976

58' : 18475+2724
BRT 35

66' : 18473+2825
HJ 1347AB

68' : 18413+2844
MMA 16

68' : 18429+2636
KPP1310

71' : 18422+2851
LDS4795

75' : 18386+2706
HJ 1333

75' : 18404+2845
MLB 466AB



Selections
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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.

18435+2743 STF 2374 AC

 
 
18h 43m 27.56s +27° 42' 54.6" P.A. 358.00 sep 150.6 mag 9.64,9.36 Sp F2
 
 
Coord 2000 18435+2743 Discov num STF2374 Comp AC Coord arcsec 2000 18 43 27.56 +27 42 54.6
Date first 1875 Date last 2016 Obs 22
Pa first 359 Pa last 357.7 P.A. Now (θ) 357.7°
Sep first 150.9 Sep last 150.6 Sep. Now (ρ) 150.6"
Mag pri 9.64 Mag sec 9.36 delta mag (ΔM) 0.28 Spectral class F2 (yellow-white)
Pri motion ra +002 Sec motion ra -001
Pri motion dec +000 Sec motion dec +011
Notes
rPM=1.032
This double is not physical.
 
 
18435+2743 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 336775 86371 18 43 28 +27 42 55 STF 2374 AB 2016 40 40 13.4 9.64 10.43 0.79
Show 86371 18 43 28 +27 42 55 STF 2374 AC 2016 22 358 150.6 9.64 9.36 0.28 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra SAO 86371 Tycho2 2116-02766-1 Gaia DR2 4539137393673410432
HD 336775
 
 
WDS 18435+2743 STF 2374 AC : 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
18435+2743 STF2374 AC 2004 14 358 151.1 9.64 9.36 D 184327.56+274254.6
18435+2743 STF2374 AC 2013 17 357 150.5 9.64 9.36 F2 184327.56+274254.6
18435+2743 STF2374 AC 2016 18 358 150.6 9.64 9.36 F2 184327.56+274254.6

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

 
 
WDS 18435+2743 STF 2374 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18435+2743 STF 2374 AC : MEASURES
 
 
No records found.

 
 
WDS 18435+2743 : VIRTUAL EYEPIECE
 
 

18435+2743 STF2374A mag 9.64 Sp F2 18435+2743 STF2374B sep 12.8 P.A. 36.20 mag 10.43 18435+2743 STF2374C sep 150.6 P.A. 358.00 mag 9.36 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 18435+2743 : ALADIN DSS IMAGE @ 18h 43m 27.56s +27° 42' 54.6"
 
 
 
 
WDS 18435+2743 STF 2374 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18435+2743 STF2374AC distance=0' 18422+2739 STF2371 distance=18' 18441+2728 RAO 397 distance=18' 18421+2753 TDT1009 distance=22' 18446+2727 TVB 8 distance=23' 18443+2720 TDS 941 distance=26' 18456+2759 TDT1037 distance=34' 18461+2734 SLE 366 distance=36' 18446+2819 SLE 365 distance=39' 18460+2720 HJ 1343 distance=40' 18411+2808 SLE 104 distance=40' 18421+2707 SLE 363AB distance=41' 18421+2707 SLE 363AC distance=41' 18459+2719 PHL9001 distance=41' 18455+2815 STF2381 distance=43' 18448+2704 TDT1029 distance=44' 18414+2820 TDT 999 distance=47' 18464+2815 TDT1047 distance=51' 18398+2800 SLE 97AC distance=52' 18398+2800 COU 640AB distance=52' 18408+2703 SLE 362 distance=54' 18393+2731 TDT 976 distance=57' 18475+2724 BRT 35 distance=58' 18473+2825 HJ 1347AB distance=66' 18473+2825 HJ 1347AC distance=66' 18413+2844 MMA 16 distance=68' 18429+2636 KPP1310 distance=68' 18422+2851 LDS4795 distance=71' 18386+2706 HJ 1333 distance=75' 18404+2845 MLB 466AB distance=75' 18404+2845 SLE 96AD distance=75' 18404+2845 SLE 96AE distance=75' 18404+2845 MLB 466AC distance=75' 18388+2823 SLE 103 distance=75' 18404+2845 MLB 466BC distance=75' 18383+2818 SLE 361 distance=77' 18421+2857 HDS2648 distance=77' 18406+2636 COU 641 distance=78' 18441+2623 HDS2653 distance=81' 18379+2823 AG 362 distance=84' 18412+2622 COU 642 distance=88' 18380+2653 TDT 964 distance=89' 18387+2847 L 25 distance=89' 18499+2806 OSO 104AB distance=89' 18499+2806 OSO 104AD distance=89' 18499+2806 OSO 104AE distance=89' 18499+2806 OSO 104AF distance=89' 18499+2806 OSO 104AG distance=89' 18384+2842 STF2356 distance=90' 18491+2834 J 1208 distance=93' 18476+2903 DAM 679 distance=97' 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 18435+2743 STF2374 AB 40 13.4
Show 18435+2743 STF2374 AC 358 150.6
Show 18422+2739 STF2371 56 10.0 18
Show 18441+2728 RAO 397 326 3.5 18
Show 18421+2753 TDT1009 264 0.5 22
Show 18446+2727 TVB 8 334 10.7 23
Show 18443+2720 TDS 941 92 0.8 26
Show 18456+2759 TDT1037 98 0.5 34
Show 18461+2734 SLE 366 337 10.0 36
Show 18446+2819 SLE 365 261 8.1 39
Show 18460+2720 HJ 1343 118 7.9 40
Show 18411+2808 SLE 104 198 9.8 40
Show 18421+2707 SLE 363 AB 109 10.6 41
Show 18421+2707 SLE 363 AC 92 17.3 41
Show 18459+2719 PHL9001 129 14.1 41
Show 18455+2815 STF2381 122 8.9 43
Show 18448+2704 TDT1029 107 0.5 44
Show 18414+2820 TDT 999 147 1.8 47
Show 18464+2815 TDT1047 228 0.6 51
Show 18398+2800 SLE 97 AC 60 10.1 52
Show 18398+2800 COU 640 AB 90 0.4 52
Show 18408+2703 SLE 362 99 8.0 54
Show 18393+2731 TDT 976 80 0.9 57
Show 18475+2724 BRT 35 50 5.1 58
Show 18473+2825 HJ 1347 AB 274 18.5 66
Show 18473+2825 HJ 1347 AC 165 75.6 66
Show 18413+2844 MMA 16 8 12.4 68
Show 18429+2636 KPP1310 46 10.0 68
Show 18422+2851 LDS4795 163 132.8 71
Show 18386+2706 HJ 1333 226 2.9 75
Show 18404+2845 MLB 466 AB 351 42.6 75
Show 18404+2845 SLE 96 AD 53 35.5 75
Show 18404+2845 SLE 96 AE 280 67.2 75
Show 18404+2845 MLB 466 AC 346 45.0 75
Show 18388+2823 SLE 103 13 8.4 75
Show 18404+2845 MLB 466 BC 289 4.6 75
Show 18383+2818 SLE 361 8 19.9 77
Show 18421+2857 HDS2648 194 0.3 77
Show 18406+2636 COU 641 56 0.6 78
Show 18441+2623 HDS2653 284 4.9 81
Show 18379+2823 AG 362 341 28.7 84
Show 18412+2622 COU 642 320 2.3 88
Show 18380+2653 TDT 964 206 0.8 89
Show 18387+2847 L 25 252 1.3 89
Show 18499+2806 OSO 104 AB 112 5.0 89
Show 18499+2806 OSO 104 AD 27 12.7 89
Show 18499+2806 OSO 104 AE 252 15.1 89
Show 18499+2806 OSO 104 AF 46 23.6 89
Show 18499+2806 OSO 104 AG 135 22.1 89
Show 18384+2842 STF2356 63 1.0 90
Show 18491+2834 J 1208 334 4.7 93

 
 
WDS 18435+2743 : COMPONENTS
 
 
  A B
B pa=36.2°
sep=12.77"
 
C pa=358.0°
sep=150.57"
pa=354.7°
sep=140.77"
 
 
18435+2743 A
 
 
Name HD 336775 Coord arcsec 2000 184327.56+274254.6 Mag 9.64 Spectral class F2 (yellow-white)
PmRA 2.00 PmDE 0.0 SAO 86371 Tycho2 2116-02766-1
HD 336775 DM BD+27 3089
Tycho2
Tycho2 2116-02766-1 Pflag RAmdeg 280.86484902 DEmdeg 27.71517428
PmRA 4.1 PmDE 0.8 E RAmdeg 12 E DEmdeg 12
E pmRA 1.2 E pmDE 1.1 EpRAm 1989.47 EpDEm 1989.76
Num 10 Q RAmdeg 1.5 Q DEmdeg 0.9 Q pmRA 1.4
Q pmDE 1.0 BTmag 10.014 E BTmag 0.023 VTmag 9.642
E VTmag 0.021 Prox 138 TYC T HIP
CCDM RAdeg 280.86483583 DEdeg 27.71517222 EpRA 1990 1.52
EpDE 1990 1.63 E RAdeg 13.3 E DEdeg 12.0 Posflg
Corr 0.0
SAO
SAO 86371 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 0.015 Vmag 9 SpType F2
Double code Source 34 CatNum 9178 DM BD+27 3089
DMcomp BDsup HD 336775 M HD 0
GC RA1950rad 4.89334005 DE1950rad 0.48282713 PmRA2000 0.001
PmDE2000 0.014
 
 
18435+2743 B
 
 
Coord arcsec 2000 184328.13+274304.9 Mag 10.43 PmRA 1.00 PmDE -9.0
Tycho2 2116-02765-1 Calc delta mag 0.79 Calc coord yes
Tycho2
Tycho2 2116-02765-1 Pflag RAmdeg 280.86755245 DEmdeg 27.71811401
PmRA 0.5 PmDE -12.5 E RAmdeg 33 E DEmdeg 30
E pmRA 1.8 E pmDE 1.8 EpRAm 1987.80 EpDEm 1988.45
Num 4 Q RAmdeg 1.4 Q DEmdeg 1.7 Q pmRA 1.4
Q pmDE 1.6 BTmag 11.669 E BTmag 0.072 VTmag 10.428
E VTmag 0.038 Prox 138 TYC T HIP
CCDM RAdeg 280.86755139 DEdeg 27.71814333 EpRA 1990 1.51
EpDE 1990 1.62 E RAdeg 33.8 E DEdeg 31.3 Posflg
Corr 0.1
 
 
18435+2743 C
 
 
Coord arcsec 2000 184327.16+274525.1 Mag 9.36 PmRA -1.00 PmDE 11.0
Tycho2 2116-00868-1 DM BD+27 3088 Calc delta mag 0.28 Calc coord yes
Tycho2
Tycho2 2116-00868-1 Pflag RAmdeg 280.86291197 DEmdeg 27.75719019
PmRA -1.1 PmDE 11.2 E RAmdeg 12 E DEmdeg 11
E pmRA 1.3 E pmDE 1.2 EpRAm 1989.67 EpDEm 1989.81
Num 9 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.7 BTmag 10.384 E BTmag 0.028 VTmag 9.356
E VTmag 0.017 Prox 999 TYC T HIP
CCDM RAdeg 280.86291417 DEdeg 27.75716472 EpRA 1990 1.54
EpDE 1990 1.64 E RAdeg 12.9 E DEdeg 11.9 Posflg
Corr 0.0