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Doubles in session


Current system
18437+3024
STF 2376 AB
HD 173384


Nearby doubles
14' : 18434+3037
SLE 118

19' : 18424+3036
LDS1014

20' : 18429+3008
SLE 117AB

26' : 18442+3000
TDT1022

29' : 18454+3005
SLE 119

31' : 18414+3032
TDT 998

33' : 18413+3018
STF2367AB

41' : 18412+3000
SLE 115

41' : 18428+2945
SLE 116

42' : 18448+2945
TDT1028

42' : 18409+3044
SLE 114

43' : 18405+3017
HJ 1336AB

48' : 18465+3055
A 254

50' : 18468+3055
BRT 261

55' : 18400+3051
ARY 59

56' : 18395+3009
LDS4794

57' : 18458+3113
SLE 120

61' : 18394+3000
SLE 101

62' : 18464+3116
HJ 1345

65' : 18486+3016
TDT1064

66' : 18422+2922
RAO 396

68' : 18452+2919
SLE 105

69' : 18490+3017
TDT1067

69' : 18396+2940
SLE 102

70' : 18386+3046
STF2359AB

75' : 18389+3106
SLE 113



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.

18437+3024 STF 2376 AB (HD 173384)

 
 
18h 43m 42.26s +30° 24' 16.9" P.A. 63.00 sep 22.3 mag 8.66,9.31 Sp A0 dist. 202.84 pc (661.66 l.y.)
 
 
Coord 2000 18437+3024 Discov num STF2376 Comp AB Coord arcsec 2000 18 43 42.26 +30 24 16.9
Date first 1830 Date last 2015 Obs 41
Pa first 64 Pa last 62.9 P.A. Now (θ) 62.9°
Sep first 22.3 Sep last 22.313 Sep. Now (ρ) 22.313"
Mag pri 8.66 Mag sec 9.31 delta mag (ΔM) 0.65 Spectral class A0 (white)
Pri motion ra +007 Sec motion ra +009
Pri motion dec +007 Sec motion dec +008
Notes
rPM=0.186 (< 0.3, Physical double)
This double is physical.
 
 
18437+3024 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 173384 67290 18 43 42 +30 24 17 STF 2376 AB 2015 41 63 22.3 8.66 9.31 0.65 <===
Show 67290 18 43 42 +30 24 17 STF 2376 AC 2015 15 206 85.1 8.66 12.12 3.46
Show 67290 18 43 42 +30 24 17 SLE 112 AD 2015 8 168 29.1 8.66 12.90 4.24
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 173384 Constellation Lyra SAO 67290 HIP 91863
Tycho2 2637-02280-1 Gaia DR2 2089741218621952256 HD 173384 GC 25638
ADS 11624 BD BD+30 3281 Distance 202.84 Distance ly 661.66
 
 
WDS 18437+3024 STF 2376 AB (HD 173384) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sle1966 Mc j Soulie, G. 1966JO.....49..359S
Sle1966 +Pa J. Obs. 49, 359, 1966
Sle1983 Pa - Soulie, G. 1983A&AS...54..281S
Sle1983 A&AS 54, 281, 1983
Sle1984 Pa - Soulie, G. 1984A&AS...56..351S
Sle1984 A&AS 56, 351, 1984
Sle1985 Pa - Soulie, G. 1985A&AS...61...17S
Sle1985 A&AS 61, 17, 1985
Sle1986a Pa - Soulie, G. .
Sle1986a Bull. Inf. Cent. Donnes Stell. #30, 91, 1986
Sle1986b Pa - Soulie, G. .
Sle1986b Bull. Inf. Cent. Donnes Stell. #30, 103, 1986
Sle2003 C j Soulie, G. 2003O&T....56...10S
Sle2003 Obs. et Travaux 56, 10, 2003
Sle2006 Pa - Soulie, G. 2006O&T....62...26S
Sle2006 Obs. et Travaux 62, 26, 2006
Sle2006b Pa j Soulie, G. 2006O&T....63...15S
Sle2006b Obs. et Travaux 63, 15, 2006
Sle2007 C j Soulie, G. 2007O&T....65...34S
Sle2007 Obs. et Travaux 65, 34, 2007
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
18437+3024 STF2376 AB 2005 32 63 22.4 8.66 9.31 A0 D 184342.26+302416.9
18437+3024 STF2376 AB 2006 33 62 22.3 8.66 9.31 A0 D 184342.26+302416.9
18437+3024 STF2376 AB 2013 36 62 22.2 8.66 9.31 A0 D 184342.26+302416.9
18437+3024 STF2376 AB 2015 40 63 22.3 8.66 9.31 A0 184342.26+302416.9

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

 
 
WDS 18437+3024 STF 2376 AB (HD 173384) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18437+3024 STF 2376 AB (HD 173384) : MEASURES
 
 
No records found.

 
 
WDS 18437+3024 (HD 173384) : VIRTUAL EYEPIECE
 
 

18437+3024 STF2376A mag 8.66 Sp A0 18437+3024 STF2376B sep 19.9 P.A. 59.30 mag 9.31 18437+3024 STF2376C sep 82.9 P.A. 203.20 mag 12.12 18437+3024 SLE 112D sep 29.0 P.A. 169.60 mag 12.9 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 18437+3024 (HD 173384) : ALADIN DSS IMAGE @ 18h 43m 42.26s +30° 24' 16.9"
 
 
 
 
WDS 18437+3024 STF 2376 AB (HD 173384) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18437+3024 STF2376AB distance=0' 18434+3037 SLE 118 distance=14' 18424+3036 LDS1014 distance=19' 18429+3008 SLE 117AB distance=20' 18429+3008 SLE 117AC distance=20' 18442+3000 TDT1022 distance=26' 18454+3005 SLE 119 distance=29' 18414+3032 TDT 998 distance=31' 18413+3018 STF2367AB distance=33' 18413+3018 BTG 2AB,F distance=33' 18413+3018 STF2367AB,C distance=33' 18413+3018 STF2367AB,D distance=33' 18413+3018 STF2367AB,E distance=33' 18412+3000 SLE 115 distance=41' 18428+2945 SLE 116 distance=41' 18448+2945 TDT1028 distance=42' 18409+3044 SLE 114 distance=42' 18405+3017 HJ 1336AB distance=43' 18405+3017 HJ 1336AC distance=43' 18405+3017 HJ 1336AD distance=43' 18405+3017 HJ 1336AE distance=43' 18465+3055 A 254 distance=48' 18468+3055 BRT 261 distance=50' 18400+3051 ARY 59 distance=55' 18395+3009 LDS4794 distance=56' 18458+3113 SLE 120 distance=57' 18394+3000 SLE 101 distance=61' 18464+3116 HJ 1345 distance=62' 18486+3016 TDT1064 distance=65' 18422+2922 RAO 396 distance=66' 18452+2919 SLE 105 distance=68' 18490+3017 TDT1067 distance=69' 18396+2940 SLE 102 distance=69' 18386+3046 STF2358CD distance=69' 18386+3046 STF2359AB distance=70' 18386+3046 STF2359AC distance=70' 18386+3046 STF2359AD distance=70' 18386+3046 STF2359AE distance=70' 18389+3106 SLE 113 distance=75' 18472+3125 STF2397 distance=76' 18409+3132 HJ 1337 distance=77' 18437+3141 A 253 distance=77' 18381+3000 J 1138 distance=78' 18482+2933 TDT1059 distance=78' 18367+3036 HJ 1330AB distance=81' 18367+3036 DAM 110AC distance=81' 18386+2937 J 525 distance=83' 18405+3139 HO 437AB distance=86' 18405+3139 HO 437AC distance=86' 18405+3139 HO 437AE distance=86' 18405+3139 HO 437CD distance=86' 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 18437+3024 STF2376 AB 63 22.3
Show 18437+3024 STF2376 AC 206 85.1
Show 18437+3024 SLE 112 AD 168 29.1
Show 18434+3037 SLE 118 45 8.3 14
Show 18424+3036 LDS1014 13 49.3 19
Show 18429+3008 SLE 117 AB 299 13.6 20
Show 18429+3008 SLE 117 AC 13 17.7 20
Show 18442+3000 TDT1022 128 0.6 26
Show 18454+3005 SLE 119 177 6.6 29
Show 18414+3032 TDT 998 315 0.8 31
Show 18413+3018 STF2367 AB 73 0.4 33
Show 18413+3018 BTG 2 AB,F 173 42.4 33
Show 18413+3018 STF2367 AB,C 192 14.1 33
Show 18413+3018 STF2367 AB,D 84 21.9 33
Show 18413+3018 STF2367 AB,E 341 151.7 33
Show 18412+3000 SLE 115 40 8.5 41
Show 18428+2945 SLE 116 71 18.2 41
Show 18448+2945 TDT1028 69 0.6 42
Show 18409+3044 SLE 114 145 4.3 42
Show 18405+3017 HJ 1336 AB 89 16.9 43
Show 18405+3017 HJ 1336 AC 176 32.6 43
Show 18405+3017 HJ 1336 AD 294 33.1 43
Show 18405+3017 HJ 1336 AE 334 32.3 43
Show 18465+3055 A 254 48 2.3 48
Show 18468+3055 BRT 261 18 4.7 50
Show 18400+3051 ARY 59 280 52.4 55
Show 18395+3009 LDS4794 13 224.9 56
Show 18458+3113 SLE 120 115 6.9 57
Show 18394+3000 SLE 101 235 20.2 61
Show 18464+3116 HJ 1345 169 11.7 62
Show 18486+3016 TDT1064 163 0.5 65
Show 18422+2922 RAO 396 110 0.9 66
Show 18452+2919 SLE 105 93 10.2 68
Show 18490+3017 TDT1067 342 2.2 69
Show 18396+2940 SLE 102 103 13.3 69
Show 18386+3046 STF2358 CD 224 2.5 69
Show 18386+3046 STF2359 AB 293 24.5 70
Show 18386+3046 STF2359 AC 183 136.9 70
Show 18386+3046 STF2359 AD 183 138.6 70
Show 18386+3046 STF2359 AE 148 225.0 70
Show 18389+3106 SLE 113 125 11.0 75
Show 18472+3125 STF2397 269 3.9 76
Show 18409+3132 HJ 1337 151 9.4 77
Show 18437+3141 A 253 132 0.7 77
Show 18381+3000 J 1138 300 2.7 78
Show 18482+2933 TDT1059 252 2.7 78
Show 18367+3036 HJ 1330 AB 224 9.3 81
Show 18367+3036 DAM 110 AC 289 8.1 81
Show 18386+2937 J 525 70 3.1 83
Show 18405+3139 HO 437 AB 140 0.3 86
Show 18405+3139 HO 437 AC 272 39.9 86

 
 
WDS 18437+3024 : COMPONENTS
 
 
  A B C
B pa=59.3°
sep=19.92"
 
C pa=203.2°
sep=82.89"
pa=209.9°
sep=99.67"
 
D pa=169.6°
sep=28.97"
pa=197.1°
sep=40.45"
pa=38.4°
sep=60.90"
 
 
18437+3024 A
 
 
Name HD 173384 Coord arcsec 2000 184342.26+302416.9 Mag 8.66 Spectral class A0 (white)
PmRA 7.00 PmDE 7.0 SAO 67290 HIP 91863
Tycho2 2637-02280-1 HD 173384 GC 25638 ADS 11624
BD BD+30 3281
Tycho2
Tycho2 2637-02280-1 Pflag RAmdeg 280.92611799 DEmdeg 30.40472349
PmRA 5.3 PmDE 8.1 E RAmdeg 7 E DEmdeg 6
E pmRA 1.5 E pmDE 1.4 EpRAm 1990.94 EpDEm 1991.17
Num 8 Q RAmdeg 1.1 Q DEmdeg 1.3 Q pmRA 1.2
Q pmDE 1.4 BTmag 8.774 E BTmag 0.017 VTmag 8.661
E VTmag 0.014 Prox 223 TYC T HIP 91863
CCDM A RAdeg 280.92610389 DEdeg 30.40470389 EpRA 1990 1.39
EpDE 1990 1.56 E RAdeg 6.8 E DEdeg 6.2 Posflg
Corr 0.0
SAO
SAO 67290 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 0.005 Vmag 8 SpType A0
Double code Source 70 CatNum 25638 DM BD+30 3281
DMcomp BDsup HD 173384 M HD 0
GC 25638 RA1950rad 4.89469841 DE1950rad 0.5297576 PmRA2000 0.0003
PmDE2000 0.005
Hipparcos
Catalog H HIP 91863 Proxy RAhms 18 43 42.26
DEdms +30 24 16.9 Vmag 8.69 VarFlag R Vmag H
RAdeg 280.926 DEdeg 30.4047 AstroRef A Plx 6.71
CCDM 18437+3024 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 173384 BD BD+30 3281
CD CP Dm number +30 3281 VIred 0.13
SpType A0 R SpType Coord arcsec 2000 184342.26+302416.9
Hipparcos 2
HIP 91863 Sn 95 So 3 Nc 1
RArad 4.9030854378 DErad 0.5306621735 Plx 4.93 PmRA 7.97
PmDE 0.68 E RArad 1.03 E DErad 1.27 E Plx 1.6
E pmRA 1.29 E pmDE 1.81 Hpmag 8.7138 E Hpmag 0.0477
SHp 0.052 VA 0 BV 0.069 E BV 0.02
VI 0.08
CCDM
Ccdm 18437+3024 RComp Comp A Note1
Note2 Discov num DRAs 0.14 DDEs 16.2
R dRAs 70 Year Theta Rho
Obs 3 Vmag 8.5 Sp A0 PmNote *
PmRA -3 PmDE 18 Dm number +30 3281 Cat1 BD
Name2 +30 1746 Cat2 AGK2/3 HD 173384 M HD
ADS BDS A11624 M ADS BDS N IDS IDS 18399N3018A
HIC 91863
 
 
18437+3024 B
 
 
Coord arcsec 2000 184343.58+302427.1 Mag 9.31 PmRA 9.00 PmDE 8.0
HIP 91869 Tycho2 2637-00197-1 Calc delta mag 0.65 Calc coord yes
Tycho2
Tycho2 2637-00197-1 Pflag RAmdeg 280.93253455 DEmdeg 30.40755096
PmRA 9.1 PmDE 9.4 E RAmdeg 11 E DEmdeg 10
E pmRA 2.2 E pmDE 2.1 EpRAm 1991.15 EpDEm 1991.33
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.5 Q pmRA 0.1
Q pmDE 0.5 BTmag 9.411 E BTmag 0.020 VTmag 9.310
E VTmag 0.018 Prox 223 TYC T HIP 91869
CCDM B RAdeg 280.93250944 DEdeg 30.40752889 EpRA 1990 1.42
EpDE 1990 1.57 E RAdeg 10.7 E DEdeg 9.7 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 91869 Proxy RAhms 18 43 43.80
DEdms +30 24 27.1 Vmag 9.38 VarFlag R Vmag H
RAdeg 280.932 DEdeg 30.4075 AstroRef B Plx 9.65
CCDM 18437+3024 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.01
SpType A0 R SpType Coord arcsec 2000 184343.80+302427.1
Hipparcos 2
HIP 91869 Sn 95 So 3 Nc 1
RArad 4.9031970276 DErad 0.530711427 Plx 11.58 PmRA 4.57
PmDE 5.4 E RArad 3.19 E DErad 4.24 E Plx 4.87
E pmRA 3.45 E pmDE 5.47 Hpmag 9.3692 E Hpmag 0.0747
SHp 0 VA 0 BV 0.104 E BV 0.025
VI 0.12
CCDM
Ccdm 18437+3024 RComp Comp B Note1
Note2 Discov num STF2376 DRAs 1.67 DDEs 25.8
R dRAs 70 Year 1830 Theta 063 Rho 22.4
Obs 11 Vmag 9.2 Sp PmNote *
PmRA -3 PmDE 16 Dm number Cat1
Name2 +30 1747 Cat2 AGK2/3 HD M HD
ADS BDS A11624 M ADS BDS N IDS IDS 18399N3018B
HIC 91869
 
 
18437+3024 C
 
 
Coord arcsec 2000 184339.74+302300.7 Mag 12.12 PmRA -8.00 PmDE -18.0
Tycho2 2637-02247-1 Calc delta mag 3.46 Calc coord yes
Tycho2
Tycho2 2637-02247-1 Pflag RAmdeg 280.91405973 DEmdeg 30.38367998
PmRA -8.0 PmDE -19.2 E RAmdeg 114 E DEmdeg 103
E pmRA 3.0 E pmDE 2.9 EpRAm 1971.51 EpDEm 1974.41
Num 3 Q RAmdeg 0.5 Q DEmdeg 0.7 Q pmRA 0.5
Q pmDE 0.7 BTmag 14.165 E BTmag 0.497 VTmag 12.121
E VTmag 0.185 Prox 842 TYC HIP
CCDM RAdeg 280.91408222 DEdeg 30.38372472 EpRA 1990 1.42
EpDE 1990 1.58 E RAdeg 128.7 E DEdeg 113.7 Posflg
Corr 0.1
CCDM
Ccdm 18437+3024 RComp Comp C Note1
Note2 Discov num STF2376 DRAs -2.78 DDEs -59.5
R dRAs 70 Year 1880 Theta 207 Rho 81.7
Obs 3 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11624 M ADS BDS N IDS IDS 18399N3018C
HIC
 
 
18437+3024 D
 
 
Coord arcsec 2000 184342.66+302348.4 Mag 12.9 PmRA 0.00 PmDE -14.0
Calc delta mag 4.24 Calc coord yes