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Current system
18325+6957
STF 2366 AB
HD 172130


Nearby doubles
9' : 18338+7003
STF2370

11' : 18343+7003
KPP 764

21' : 18339+7016
MLR 97

28' : 18276+7000
LDS1886

29' : 18332+6929
SKF2738

29' : 18335+6929
MLR 95

36' : 18393+6955
WFC 211

37' : 18383+6937
CTI 848

44' : 18393+6931
TOI1859

47' : 18414+7001
GNO 2

62' : 18225+6924
UC 239

77' : 18473+7004
KPP1662

82' : 18168+7011
TDT 771AB

84' : 18186+7042
SKF2737

84' : 18317+7120
A 1170

85' : 18216+6855
A 1169

86' : 18164+7023
KPP4097

88' : 18463+6909
SKF2739

88' : 18263+7119
TDT 867

94' : 18312+7131
WIS 328

95' : 18497+6930
MLR 96

98' : 18484+6908
WFC 254

98' : 18457+6849
TDT1039

102' : 18208+7120
STT 353AB

107' : 18440+6830
CTI 134

108' : 18488+6853
LDS2421



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.

18325+6957 STF 2366 AB (HD 172130)

 
 
18h 32m 27.59s +69° 57' 00.3" P.A. 333.00 sep 29.8 mag 8.53,10.79 Sp A0 dist. 107.87 pc (351.87 l.y.)
 
 
Coord 2000 18325+6957 Discov num STF2366 Comp AB Coord arcsec 2000 18 32 27.59 +69 57 00.3
Date first 1896 Date last 2015 Obs 16
Pa first 333 Pa last 333.1 P.A. Now (θ) 333.1°
Sep first 29.7 Sep last 29.784 Sep. Now (ρ) 29.784"
Mag pri 8.53 Mag sec 10.79 delta mag (ΔM) 2.26 Spectral class A0 (white)
Pri motion ra -001 Sec motion ra +003
Pri motion dec +004 Sec motion dec +008
Notes
rPM=0.662
Nature of this double is uncertain.
 
 
18325+6957 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 172130 17925 18 32 28 +69 57 00 STF 2366 AB 2015 16 333 29.8 8.53 10.79 2.26 <===
Show 17925 18 32 28 +69 57 00 FOX 9012 AC 2015 8 249 10.3 8.53 13.00 4.47
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172130 Constellation Draco SAO 17925 HIP 90893
Tycho2 4434-02020-1 Gaia DR2 2259613359925688192 HD 172130 GC 25397
BD BD+69 988 Distance 107.87 Distance ly 351.87
 
 
WDS 18325+6957 STF 2366 AB (HD 172130) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Fox1909 Ma - Fox, P. 1909AN....181..245F
Fox1909 AN 181, 245, 1909 (measures are also in Fox1915)
Fox1910 Ma - Fox, P. 1910AJ.....26...87F
Fox1910 AJ 26, 87, 1910 (measures are also in Fox1915)
Fox1915 Ma j Fox, P. 1915AnDea...1....1F
Fox1915 Ann. Dearborn Obs. 1, 1, 1915
Fox1915b Ma j Fox, P. 1915AnDea...1...52F
Fox1915b Ann. Dearborn Obs. 1, 52, 1915
Fox1925 Ma j Fox, P. 1925AnDea...2....1F
Fox1925 +Ca Ann. Dearborn Obs. 2, 1, 1925
Fox1946 Ma - Fox, P. 1946AnDea...6....1F
Fox1946 +Po Ann. Dearborn Obs. 6, 1, 1946
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
18325+6957 STF2366 AB 1999 8 333 29.8 8.53 10.79 A0 D 183227.59+695700.3
18325+6957 STF2366 AB 2010 9 333 30.0 8.53 10.79 A0 D 183227.59+695700.3
18325+6957 STF2366 AB 2015 12 333 29.8 8.53 10.79 A0 183227.59+695700.3

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

 
 
WDS 18325+6957 STF 2366 AB (HD 172130) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18325+6957 STF 2366 AB (HD 172130) : MEASURES
 
 
No records found.

 
 
WDS 18325+6957 (HD 172130) : VIRTUAL EYEPIECE
 
 

18325+6957 STF2366A mag 8.53 Sp A0 18325+6957 STF2366B sep 27.0 P.A. 350.10 mag 10.79 18325+6957 FOX9012C sep 4.9 P.A. 222.20 mag 13 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 18325+6957 (HD 172130) : ALADIN DSS IMAGE @ 18h 32m 27.59s +69° 57' 00.3"
 
 
 
 
WDS 18325+6957 STF 2366 AB (HD 172130) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18325+6957 STF2366AB distance=1' 18325+6957 FOX9012AC distance=1' 18338+7003 STF2370 distance=9' 18343+7003 KPP 764 distance=11' 18339+7016 MLR 97 distance=21' 18276+7000 LDS1886 distance=28' 18332+6929 SKF2738 distance=29' 18335+6929 MLR 95 distance=29' 18393+6955 WFC 211 distance=36' 18383+6937 CTI 848 distance=37' 18393+6931 TOI1859 distance=44' 18414+7001 GNO 2 distance=47' 18225+6924 UC 239 distance=62' 18473+7004 KPP1662 distance=77' 18168+7011 TDT 771AB distance=82' 18186+7042 SKF2737 distance=84' 18317+7120 A 1170 distance=84' 18216+6855 A 1169 distance=85' 18164+7023 KPP4097 distance=86' 18463+6909 SKF2739 distance=88' 18263+7119 TDT 867 distance=88' 18312+7131 WIS 328 distance=94' 18497+6930 MLR 96 distance=95' 18484+6908 WFC 254 distance=98' 18457+6849 TDT1039 distance=98' 18208+7120 STT 353AB distance=102' 18208+7120 STT 353AB,C distance=102' 18440+6830 CTI 134 distance=107' 18488+6853 LDS2421 distance=108' 18441+7129 LDS1891 distance=109' 18402+6815 KPP 813 distance=110' 18484+7115 TDT1061 distance=111' 18211+7137 GIC9022 distance=115' 18145+6851 LDS1463 distance=116' 18411+6810 MLB 355AB distance=117' 18411+6810 MLB 355AC distance=117' 18161+6839 LDS1464 distance=117' 18241+7220 BVD 127 distance=149' 18196+6743 MLB 413 distance=152' 18485+7226 A 1132 distance=168' 18400+7241 CFN 15 distance=168' 18324+7245 CRB 205 distance=169' 18384+6708 STF2384AB distance=173' 18384+6708 STF2384AB,C distance=173' 18211+7244 LAB 5Aa,Ab distance=176' 18211+7244 BUP 182AB distance=176' 18128+6737 UC 237 distance=176' 18211+7244 BUP 182BC distance=179' 18364+6655 TOK 323 distance=184' 18212+6651 KPP4105 distance=197' 18446+6649 MLB 286 distance=199' 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 18325+6957 STF2366 AB 333 29.8 1
Show 18325+6957 FOX9012 AC 249 10.3 1
Show 18338+7003 STF2370 135 10.5 9
Show 18343+7003 KPP 764 231 6.6 11
Show 18339+7016 MLR 97 111 0.2 21
Show 18276+7000 LDS1886 44 96.0 28
Show 18332+6929 SKF2738 333 15.2 29
Show 18335+6929 MLR 95 44 0.2 29
Show 18393+6955 WFC 211 68 9.5 36
Show 18383+6937 CTI 848 280 1.0 37
Show 18393+6931 TOI1859 184 10.6 44
Show 18414+7001 GNO 2 82 0.1 47
Show 18225+6924 UC 239 264 23.8 62
Show 18473+7004 KPP1662 151 12.8 77
Show 18168+7011 TDT 771 AB 55 0.6 82
Show 18186+7042 SKF2737 265 29.7 84
Show 18317+7120 A 1170 188 0.9 84
Show 18216+6855 A 1169 304 1.0 85
Show 18164+7023 KPP4097 323 5.5 86
Show 18463+6909 SKF2739 227 6.8 88
Show 18263+7119 TDT 867 303 1.8 88
Show 18312+7131 WIS 328 182 940.0 94
Show 18497+6930 MLR 96 267 1.7 95
Show 18484+6908 WFC 254 218 13.3 98
Show 18457+6849 TDT1039 329 0.4 98
Show 18208+7120 STT 353 AB 262 0.5 102
Show 18208+7120 STT 353 AB,C 117 72.5 102
Show 18440+6830 CTI 134 326 6.8 107
Show 18488+6853 LDS2421 274 34.6 108
Show 18441+7129 LDS1891 98 3.2 109
Show 18402+6815 KPP 813 166 7.0 110
Show 18484+7115 TDT1061 216 0.6 111
Show 18211+7137 GIC9022 318 2.0 115
Show 18145+6851 LDS1463 346 15.0 116
Show 18411+6810 MLB 355 AB 197 8.5 117
Show 18411+6810 MLB 355 AC 270 23.4 117
Show 18161+6839 LDS1464 32 110.2 117
Show 18241+7220 BVD 127 327 19.8 149
Show 18196+6743 MLB 413 147 2.6 152
Show 18485+7226 A 1132 125 5.5 168
Show 18400+7241 CFN 15 110 0.8 168
Show 18324+7245 CRB 205 208 12.5 169
Show 18384+6708 STF2384 AB 307 0.4 173
Show 18384+6708 STF2384 AB,C 162 136.5 173
Show 18211+7244 LAB 5 Aa,Ab 220 0.1 176
Show 18211+7244 BUP 182 AB 357 177.8 176
Show 18128+6737 UC 237 172 57.0 176
Show 18211+7244 BUP 182 BC 303 9.1 179
Show 18364+6655 TOK 323 116 181.1 184
Show 18212+6651 KPP4105 151 1.5 197
Show 18446+6649 MLB 286 290 3.8 199

 
 
WDS 18325+6957 : COMPONENTS
 
 
  A B
B pa=350.1°
sep=26.96"
 
C pa=222.2°
sep=4.89"
pa=177.5°
sep=30.22"
 
 
18325+6957 A
 
 
Name HD 172130 Coord arcsec 2000 183227.59+695700.3 Mag 8.53 Spectral class A0 (white)
PmRA -1.00 PmDE 4.0 SAO 17925 HIP 90898
Tycho2 4434-02020-1 HD 172130 GC 25397 BD BD+69 988
Tycho2
Tycho2 4434-02020-1 Pflag RAmdeg 278.11496005 DEmdeg 69.95009164
PmRA 1.1 PmDE 3.2 E RAmdeg 6 E DEmdeg 6
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.37 EpDEm 1991.42
Num 10 Q RAmdeg 1.3 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.7 BTmag 8.603 E BTmag 0.017 VTmag 8.530
E VTmag 0.013 Prox 298 TYC T HIP 90898
CCDM A RAdeg 278.11495361 DEdeg 69.95008417 EpRA 1990 1.76
EpDE 1990 1.76 E RAdeg 6.1 E DEdeg 6.0 Posflg
Corr 0.0
SAO
SAO 17925 DelFlag RA1950 PmRA1950 -0.0009
DE1950 PmDE1950 0.003 Vmag 8.2 SpType A0
Double code Source 70 CatNum 25397 DM BD+69 988
DMcomp BDsup HD 172130 M HD 0
GC 25397 RA1950rad 4.8560026 DE1950rad 1.22016494 PmRA2000 0.0002
PmDE2000 0.002
Hipparcos
Catalog H HIP 90898 Proxy RAhms 18 32 27.59
DEdms +69 57 00.3 Vmag 8.5 VarFlag R Vmag H
RAdeg 278.115 DEdeg 69.9501 AstroRef A Plx 2.96
CCDM 18325+6957 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual D M HIP
Theta Rho HD 172130 BD BD+69 988
CD CP Dm number +69 988 VIred 0.03
SpType A0 R SpType Coord arcsec 2000 183227.59+695700.3
Hipparcos 2
HIP 90898 Sn 95 So 3 Nc 1
RArad 4.8540215377 DErad 1.2208592874 Plx 3.01 PmRA -0.34
PmDE 4.85 E RArad 0.72 E DErad 0.69 E Plx 0.74
E pmRA 0.69 E pmDE 0.69 Hpmag 8.5336 E Hpmag 0.0059
SHp 0.017 VA 0 BV 0.078 E BV 0.015
VI 0.09
CCDM
Ccdm 18325+6957 RComp Comp A Note1
Note2 Discov num DRAs -2.42 DDEs 0.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.4 Sp A0 PmNote *
PmRA -5 PmDE 6 Dm number +69 988 Cat1 BD
Name2 +69 765 Cat2 AGK2/3 HD 172130 M HD
ADS BDS B 8700 M ADS BDS N IDS IDS 18334N6952A
HIC 90898
 
 
18325+6957 B
 
 
Coord arcsec 2000 183226.69+695726.9 Mag 10.79 PmRA 3.00 PmDE 8.0
HIP 90893 Calc delta mag 2.26 Calc coord yes
Hipparcos
Catalog H HIP 90893 Proxy RAhms 18 32 24.95
DEdms +69 57 26.8 Vmag 11.25 VarFlag R Vmag H
RAdeg 278.104 DEdeg 69.9574 AstroRef B Plx 5.74
CCDM 18325+6957 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual D M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.7
SpType R SpType Coord arcsec 2000 183224.95+695726.8
Hipparcos 2
HIP 90893 Sn 95 So 3 Nc 1
RArad 4.8538296168 DErad 1.2209877849 Plx 9.27 PmRA 5.27
PmDE 3.38 E RArad 3.93 E DErad 3.73 E Plx 4.06
E pmRA 4.58 E pmDE 4.02 Hpmag 11.4524 E Hpmag 0.0582
SHp 0 VA 0 BV 0.765 E BV 0.099
VI 0.8
CCDM
Ccdm 18325+6957 RComp Comp B Note1
Note2 Discov num STF2366 DRAs DDEs
R dRAs Year 1897 Theta 334 Rho 29.7
Obs 3 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8700 M ADS BDS N N IDS IDS 18334N6952B
HIC 90893
 
 
18325+6957 C
 
 
Coord arcsec 2000 183226.95+695656.7 Mag 13 Calc delta mag 4.47 Calc coord yes