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Doubles in session


Current system
18399+0722
STF 2355 AB
HD 172424


Nearby doubles
13' : 18398+0709
SLE1031AB

15' : 18396+0736
J 2141

17' : 18397+0704
J 102AB

17' : 18395+0703
J 1271

18' : 18395+0704
J 1272

21' : 18393+0700
J 101

34' : 18417+0740
GII 62

40' : 18422+0739
HEI 869

41' : 18373+0732
STF2346

41' : 18412+0645
J 1273

44' : 18391+0803
TDT 973

47' : 18427+0742
HEI 870AB

48' : 18380+0800
A 356

53' : 18431+0742
LDS1013AB

54' : 18412+0811
TDT 995

59' : 18361+0701
LDS5238

59' : 18390+0624
SLE 498

63' : 18387+0821
J 1212

64' : 18367+0640
J 99AB

64' : 18418+0818
J 1214

65' : 18425+0631
CRT 25AB

66' : 18397+0827
J 1213

70' : 18355+0748
SLE 359

73' : 18368+0818
SLE 360

73' : 18352+0745
J 97

74' : 18354+0649
J 100



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.

18399+0722 STF 2355 AB (HD 172424)

 
 
18h 39m 51.59s +07° 21' 30.9" P.A. 127.00 sep 21.7 mag 6.29,11.68 Sp G8III dist. 147.49 pc (481.11 l.y.)
 
 
Coord 2000 18399+0722 Discov num STF2355 Comp AB Coord arcsec 2000 18 39 51.59 +07 21 30.9
Date first 1827 Date last 2002 Obs 15
Pa first 150 Pa last 127 P.A. Now (θ) 127°
Sep first 40.0 Sep last 21.7 Sep. Now (ρ) 21.7"
Mag pri 6.29 Mag sec 11.68 delta mag (ΔM) 5.39 Spectral class G8III (yellow)
Pri motion ra -001 Sec motion ra +002
Pri motion dec -046 Sec motion dec +011
Notes
rPM=1.241
This double is not physical.
 
 
18399+0722 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 172424 123782 18 39 52 +07 21 31 STF 2355 AB 2002 15 127 21.7 6.29 11.68 5.39 <===
Show 123782 18 39 52 +07 21 31 STF 2355 AC 2012 9 38 109.6 6.29 10.56 4.27
Show 123782 18 39 52 +07 21 31 FOX 233 AD 2002 4 225 46.6 6.29 12.50 6.21
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172424 Constellation Ophiuchus SAO 123782 HIP 91523
Tycho2 0459-02523-1 Gaia DR2 4286726391952772352 HD 172424 HR 7010
GC 25527 ADS 11555 BD BD+07 3798 Distance 147.49
Distance ly 481.11
 
 
WDS 18399+0722 STF 2355 AB (HD 172424) : 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
18399+0722 STF2355 AB 2002 13 127 21.7 6.29 11.68 G8III D 183951.60+072131.4

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

 
 
WDS 18399+0722 STF 2355 AB (HD 172424) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18399+0722 STF 2355 AB (HD 172424) : MEASURES
 
 
No records found.

 
 
WDS 18399+0722 (HD 172424) : VIRTUAL EYEPIECE
 
 

18399+0722 STF2355A mag 6.29 Sp G8III 18399+0722 STF2355B sep 21.6 P.A. 127.20 mag 11.68 18399+0722 STF2355C sep 109.3 P.A. 38.10 mag 10.56 18399+0722 FOX 233D sep 46.4 P.A. 224.50 mag 12.5 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 18399+0722 (HD 172424) : ALADIN DSS IMAGE @ 18h 39m 51.59s +07° 21' 30.9"
 
 
 
 
WDS 18399+0722 STF 2355 AB (HD 172424) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18399+0722 STF2355AB distance=0' 18398+0709 BRT2178CD distance=10' 18398+0709 SLE1031AB distance=13' 18396+0736 J 2141 distance=15' 18397+0704 J 102AB distance=17' 18397+0704 J 102AC distance=17' 18395+0703 J 1271 distance=17' 18395+0704 J 1272 distance=18' 18393+0700 J 101 distance=21' 18417+0740 GII 62 distance=34' 18422+0739 HEI 869 distance=40' 18373+0732 STF2346 distance=41' 18412+0645 J 1273 distance=41' 18391+0803 TDT 973 distance=44' 18427+0742 HEI 870AB distance=47' 18427+0742 HEI 870Aa,Ab distance=47' 18380+0800 A 356 distance=48' 18431+0742 LDS1013BC distance=52' 18431+0742 LDS1013AB distance=53' 18412+0811 TDT 995 distance=54' 18361+0701 LDS5238 distance=59' 18390+0624 SLE 498 distance=59' 18387+0821 J 1212 distance=63' 18367+0640 CHR 76Aa,Ab distance=64' 18367+0640 J 99AB distance=64' 18367+0640 J 99AC distance=64' 18367+0640 SLE 497AD distance=64' 18367+0640 SLE 497AE distance=64' 18418+0818 J 1214 distance=64' 18425+0631 CRT 25AB distance=65' 18425+0631 CRT 25AC distance=65' 18425+0631 CRT 25AD distance=65' 18425+0631 CRT 25AE distance=65' 18425+0631 CRT 25AF distance=65' 18425+0631 CRT 25AG distance=65' 18425+0631 CRT 25AH distance=65' 18425+0631 CRT 25AI distance=65' 18425+0631 CRT 25AJ distance=65' 18425+0631 CRT 25AK distance=65' 18425+0631 CRT 25AL distance=65' 18425+0631 CRT 25AM distance=65' 18425+0631 CRT 25AN distance=65' 18425+0631 CRT 25AO distance=65' 18425+0631 CRT 25AP distance=65' 18425+0631 CRT 25AQ distance=65' 18425+0631 CRT 25AR distance=65' 18425+0631 CRT 25AS distance=65' 18425+0631 CRT 25AT distance=65' 18425+0631 CRT 25AU distance=65' 18425+0631 CRT 25AV distance=65' 18397+0827 J 1213 distance=66' 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 18399+0722 STF2355 AB 127 21.7
Show 18399+0722 STF2355 AC 38 109.6
Show 18399+0722 FOX 233 AD 225 46.6
Show 18398+0709 BRT2178 CD 169 5.2 10
Show 18398+0709 SLE1031 AB 299 12.2 13
Show 18396+0736 J 2141 201 5.9 15
Show 18397+0704 J 102 AB 50 4.2 17
Show 18397+0704 J 102 AC 294 30.8 17
Show 18395+0703 J 1271 97 5.9 17
Show 18395+0704 J 1272 138 4.3 18
Show 18393+0700 J 101 243 5.2 21
Show 18417+0740 GII 62 246 0.9 34
Show 18422+0739 HEI 869 225 2.0 40
Show 18373+0732 STF2346 298 30.3 41
Show 18412+0645 J 1273 353 1.8 41
Show 18391+0803 TDT 973 299 0.7 44
Show 18427+0742 HEI 870 AB 347 1.7 47
Show 18427+0742 HEI 870 Aa,Ab 246 0.9 47
Show 18380+0800 A 356 224 1.0 48
Show 18431+0742 LDS1013 BC 226 0.4 52
Show 18431+0742 LDS1013 AB 294 112.8 53
Show 18412+0811 TDT 995 54 0.4 54
Show 18361+0701 LDS5238 342 6.0 59
Show 18390+0624 SLE 498 184 21.5 59
Show 18387+0821 J 1212 204 2.1 63
Show 18367+0640 CHR 76 Aa,Ab 91 0.2 64
Show 18367+0640 J 99 AB 337 35.9 64
Show 18367+0640 J 99 AC 78 77.6 64
Show 18367+0640 SLE 497 AD 243 117.3 64
Show 18367+0640 SLE 497 AE 209 263.3 64
Show 18418+0818 J 1214 160 4.0 64
Show 18425+0631 CRT 25 AB 42 5.4 65
Show 18425+0631 CRT 25 AC 66 6.2 65
Show 18425+0631 CRT 25 AD 350 9.5 65
Show 18425+0631 CRT 25 AE 259 11.3 65
Show 18425+0631 CRT 25 AF 141 12.8 65
Show 18425+0631 CRT 25 AG 75 13.6 65
Show 18425+0631 CRT 25 AH 109 13.7 65
Show 18425+0631 CRT 25 AI 39 14.1 65
Show 18425+0631 CRT 25 AJ 18 14.1 65
Show 18425+0631 CRT 25 AK 217 15.4 65
Show 18425+0631 CRT 25 AL 214 15.7 65
Show 18425+0631 CRT 25 AM 154 15.9 65
Show 18425+0631 CRT 25 AN 161 16.0 65
Show 18425+0631 CRT 25 AO 35 17.2 65
Show 18425+0631 CRT 25 AP 54 17.2 65
Show 18425+0631 CRT 25 AQ 142 17.5 65
Show 18425+0631 CRT 25 AR 129 18.0 65
Show 18425+0631 CRT 25 AS 187 18.3 65
Show 18425+0631 CRT 25 AT 245 18.8 65
Show 18425+0631 CRT 25 AU 227 19.1 65

 
 
WDS 18399+0722 : COMPONENTS
 
 
  A B C
B pa=127.2°
sep=21.59"
 
C pa=38.1°
sep=109.26"
pa=26.9°
sep=111.06"
 
D pa=224.5°
sep=46.40"
pa=248.0°
sep=53.58"
pa=220.0°
sep=155.46"
 
 
18399+0722 A
 
 
Name HD 172424 Coord arcsec 2000 183951.59+072130.9 Mag 6.29 Spectral class G8III (yellow)
PmRA -1.00 PmDE -46.0 SAO 123782 HIP 91523
Tycho2 0459-02523-1 HD 172424 HR 7010 GC 25527
BD BD+07 3798
Tycho2
Tycho2 0459-02523-1 Pflag RAmdeg 279.96498396 DEmdeg 7.35859817
PmRA -3.1 PmDE -44.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.67 EpDEm 1991.57
Num 12 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.7 BTmag 7.474 E BTmag 0.015 VTmag 6.371
E VTmag 0.010 Prox 999 TYC T HIP 91523
CCDM RAdeg 279.96499139 DEdeg 7.35870139 EpRA 1990 1.81
EpDE 1990 1.70 E RAdeg 3.8 E DEdeg 4.1 Posflg
Corr -0.2
SAO
SAO 123782 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.055 Vmag 6.4 SpType K0
Double code Source 70 CatNum 25527 DM BD+07 3798
DMcomp BDsup HD 172424 M HD 0
GC 25527 RA1950rad 4.87574486 DE1950rad 0.12762435 PmRA2000 0.0005
PmDE2000 -0.056
Hipparcos
Catalog H HIP 91523 Proxy RAhms 18 39 51.60
DEdms +07 21 31.4 Vmag 6.26 VarFlag R Vmag H
RAdeg 279.965 DEdeg 7.35871 AstroRef Plx 6.68
CCDM 18399+0722 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 172424 BD BD+07 3798
CD CP Dm number +07 3798 VIred 0.95
SpType G8III R SpType Coord arcsec 2000 183951.60+072131.4
Hipparcos 2
HIP 91523 Sn 5 So 0 Nc 1
RArad 4.8863109295 DErad 0.128433717 Plx 6.78 PmRA -0.91
PmDE -46.23 E RArad 0.34 E DErad 0.25 E Plx 0.42
E pmRA 0.31 E pmDE 0.28 Hpmag 6.4274 E Hpmag 0.0009
SHp 0.009 VA 0 BV 0.962 E BV 0.006
VI 0.95
CCDM
Ccdm 18399+0722 RComp Comp A Note1
Note2 Discov num DRAs -2.39 DDEs -30.4
R dRAs 10 Year Theta Rho
Obs 4 Vmag 6.4 Sp K0 PmNote *
PmRA 1 PmDE -78 Dm number +07 3798 Cat1 BD
Name2 +07 2471 Cat2 AGK2/3 HD 172424 M HD
ADS BDS A11555 M ADS BDS N IDS IDS 18350N0716A
HIC 91523
 
 
18399+0722 B
 
 
Coord arcsec 2000 183952.75+072117.8 Mag 11.68 PmRA 2.00 PmDE 11.0
Calc delta mag 5.39 Calc coord yes
CCDM
Ccdm 18399+0722 RComp Comp B Note1
Note2 Discov num STF2355 DRAs DDEs
R dRAs Year 1960 Theta 133 Rho 23.1
Obs 7 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11555 M ADS BDS N N IDS IDS 18350N0716B
HIC
 
 
18399+0722 C
 
 
Coord arcsec 2000 183956.12+072256.9 Mag 10.56 PmRA -5.00 PmDE -15.0
Calc delta mag 4.27 Calc coord yes
CCDM
Ccdm 18399+0722 RComp Comp C Note1
Note2 Discov num STF2355 DRAs DDEs
R dRAs Year 1960 Theta 038 Rho 108.0
Obs 2 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11555 M ADS BDS N IDS IDS 18350N0716C
HIC
 
 
18399+0722 D
 
 
Coord arcsec 2000 183949.41+072057.8 Mag 12.5 PmRA -2.00 PmDE -4.0
Calc delta mag 6.21 Calc coord yes
CCDM
Ccdm 18399+0722 RComp Comp D Note1
Note2 Discov num FOX DRAs DDEs
R dRAs Year 1912 Theta 224 Rho 50.4
Obs 1 Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11555 M ADS BDS N IDS IDS 18350N0716D
HIC