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Doubles in session


Current system
17174-0752
STF 2144
HD 156344


Nearby doubles
40' : 17200-0801
ENG 60AB

43' : 17156-0825
BRT 467

51' : 17153-0712
TOK 608

58' : 17141-0824
BAR 7

65' : 17137-0825
TSN 181

67' : 17137-0831
WRH 8

68' : 17207-0706
A 2593AB

87' : 17208-0902
A 28

92' : 17226-0704
KPP4036

95' : 17200-0626
STF2149

97' : 17231-0706
TOK 312

102' : 17136-0917
BU 1247AB

120' : 17157-0949
A 2592AB

124' : 17200-0555
TOK 311

128' : 17260-0745
RST3975AB

133' : 17240-0921
TOK 179AB

133' : 17254-0850
HDS2460

134' : 17102-0634
GWP2694

140' : 17250-0913
GWP2710AB

140' : 17252-0634
JNN 114

142' : 17086-0658
KPP4026

149' : 17156-1018
BU 957

150' : 17165-0524
GWP2700

151' : 17250-0931
FOX 201AB

152' : 17115-0956
HDS2428

153' : 17229-0544
GWP2705



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.

17174-0752 STF 2144 (HD 156344)

 
 
17h 17m 23.29s -07° 52' 09.0" P.A. 178.00 sep 25.9 mag 8.43,10.53 Sp K2 dist. 9.68 pc (31.58 l.y.)
 
 
Coord 2000 17174-0752 Discov num STF2144 Comp Coord arcsec 2000 17 17 23.29 -07 52 09.0
Date first 1848 Date last 2015 Obs 18
Pa first 184 Pa last 177.5 P.A. Now (θ) 177.5°
Sep first 25.7 Sep last 25.852 Sep. Now (ρ) 25.852"
Mag pri 8.43 Mag sec 10.53 delta mag (ΔM) 2.1 Spectral class K2 (yellow-orange)
Pri motion ra -017 Sec motion ra -001
Pri motion dec +007 Sec motion dec +003
Notes Y (Parallax indicates components are non-physical)
rPM=0.897
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 156344 Constellation Ophiuchus SAO 141591 HIP 84581
Tycho2 5645-00995-1 Gaia DR2 4359951323717854208 HD 156344 BD BD-07 4419
Distance 9.68 Distance ly 31.58
 
 
WDS 17174-0752 STF 2144 (HD 156344) : 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
17174-0752 STF2144 2006 11 178 25.4 8.43 10.53 K2 YD 171723.29-075209.0
17174-0752 STF2144 2009 12 178 25.7 8.43 10.53 K2 YD 171723.29-075209.0
17174-0752 STF2144 2010 14 179 25.7 8.43 10.53 K2 Y 171723.29-075209.0
17174-0752 STF2144 2015 15 177 25.8 8.43 10.53 K2 Y 171723.29-075209.0

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

 
 
WDS 17174-0752 STF 2144 (HD 156344) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17174-0752 STF 2144 (HD 156344) : MEASURES
 
 
No records found.

 
 
WDS 17174-0752 (HD 156344) : VIRTUAL EYEPIECE
 
 

17174-0752 STF2144A mag 8.43 Sp K2 17174-0752 STF2144B sep 25.9 P.A. 177.50 mag 10.53 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 17174-0752 (HD 156344) : ALADIN DSS IMAGE @ 17h 17m 23.29s -07° 52' 09.0"
 
 
 
 
WDS 17174-0752 STF 2144 (HD 156344) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17174-0752 STF2144 distance=0' 17200-0801 CHR 151Aa,Ab distance=40' 17200-0801 ENG 60AB distance=40' 17156-0825 BRT 467 distance=43' 17153-0712 TOK 608 distance=51' 17141-0824 BAR 7 distance=58' 17137-0825 TSN 181 distance=65' 17137-0831 WRH 8 distance=67' 17207-0706 A 2593AB distance=68' 17207-0706 TOK 178AC distance=68' 17208-0902 A 28 distance=87' 17226-0704 KPP4036 distance=92' 17200-0626 STF2149 distance=95' 17231-0706 TOK 312 distance=97' 17136-0917 BU 1247AB distance=102' 17157-0949 TOK 53Ba,Bb distance=120' 17157-0949 A 2592AB distance=120' 17200-0555 TOK 311 distance=124' 17260-0745 RST3975AB distance=128' 17260-0745 GII 246Aa,Ab distance=128' 17240-0921 RST3972Aa,Ab distance=133' 17240-0921 TOK 179AB distance=133' 17254-0850 HDS2460 distance=133' 17102-0634 GWP2694 distance=134' 17250-0913 GWP2710AB distance=140' 17252-0634 JNN 114 distance=140' 17086-0658 KPP4026 distance=142' 17156-1018 BU 957 distance=149' 17165-0524 GWP2700 distance=150' 17250-0931 FOX 201AB distance=151' 17250-0931 FOX 201AC distance=151' 17115-0956 HDS2428 distance=152' 17229-0544 GWP2705 distance=153' 17067-0749 RST3965 distance=159' 17237-0539 RST4570 distance=163' 17283-0839 A 29 distance=169' 17244-0538 J 1615 distance=170' 17209-1042 RST3971 distance=178' 17129-0508 SCE 1 distance=178' 17057-0839 BRT 466 distance=180' 17162-1054 LSC 72 distance=183' 17297-0801 RST3977 distance=184' 17054-0706 STF3109 distance=185' 17080-0957 RST3966 distance=187' 17231-0506 KPP1960 distance=187' 17074-0558 BUG 5 distance=188' 17166-0443 GWP2701 distance=190' 17300-0825 STF2169 distance=191' 17098-1031 TOK 414 distance=195' 17192-1107 REI 1AB distance=198' 17192-1107 KPP4389AC distance=198' 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 17174-0752 STF2144 178 25.9
Show 17200-0801 CHR 151 Aa,Ab 219 0.3 40
Show 17200-0801 ENG 60 AB 232 89.8 40
Show 17156-0825 BRT 467 194 4.4 43
Show 17153-0712 TOK 608 5 368.1 51
Show 17141-0824 BAR 7 44 1.5 58
Show 17137-0825 TSN 181 148 0.0 65
Show 17137-0831 WRH 8 340 10.9 67
Show 17207-0706 A 2593 AB 329 0.3 68
Show 17207-0706 TOK 178 AC 109 10.2 68
Show 17208-0902 A 28 36 2.0 87
Show 17226-0704 KPP4036 85 1.7 92
Show 17200-0626 STF2149 23 7.3 95
Show 17231-0706 TOK 312 167 119.8 97
Show 17136-0917 BU 1247 AB 342 1.5 102
Show 17157-0949 TOK 53 Ba,Bb 279 0.0 120
Show 17157-0949 A 2592 AB 70 0.2 120
Show 17200-0555 TOK 311 350 120.2 124
Show 17260-0745 RST3975 AB 28 1.0 128
Show 17260-0745 GII 246 Aa,Ab 166 0.2 128
Show 17240-0921 RST3972 Aa,Ab 114 0.1 133
Show 17240-0921 TOK 179 AB 298 18.9 133
Show 17254-0850 HDS2460 341 0.7 133
Show 17102-0634 GWP2694 165 24.1 134
Show 17250-0913 GWP2710 AB 194 58.5 140
Show 17252-0634 JNN 114 284 0.4 140
Show 17086-0658 KPP4026 194 1.4 142
Show 17156-1018 BU 957 56 0.1 149
Show 17165-0524 GWP2700 268 6.7 150
Show 17250-0931 FOX 201 AB 124 6.0 151
Show 17250-0931 FOX 201 AC 324 7.2 151
Show 17115-0956 HDS2428 15 0.3 152
Show 17229-0544 GWP2705 118 9.0 153
Show 17067-0749 RST3965 299 1.8 159
Show 17237-0539 RST4570 75 1.2 163
Show 17283-0839 A 29 97 3.2 169
Show 17244-0538 J 1615 188 6.9 170
Show 17209-1042 RST3971 80 8.6 178
Show 17129-0508 SCE 1 351 5.9 178
Show 17057-0839 BRT 466 240 3.4 180
Show 17162-1054 LSC 72 153 1.1 183
Show 17297-0801 RST3977 308 0.3 184
Show 17054-0706 STF3109 296 5.0 185
Show 17080-0957 RST3966 111 0.5 187
Show 17231-0506 KPP1960 49 15.5 187
Show 17074-0558 BUG 5 142 1.0 188
Show 17166-0443 GWP2701 46 22.3 190
Show 17300-0825 STF2169 111 15.5 191
Show 17098-1031 TOK 414 71 0.0 195
Show 17192-1107 REI 1 AB 352 8.7 198
Show 17192-1107 KPP4389 AC 142 48.8 198

 
 
WDS 17174-0752 : COMPONENTS
 
 
  A
B pa=177.5°
sep=25.85"
 
 
17174-0752 A
 
 
Componente originario normalizzato AB Name HD 156344 Coord arcsec 2000 171723.29-075209.0 Mag 8.43
Spectral class K2 (yellow-orange) PmRA -17.00 PmDE 7.0 SAO 141591
HIP 84582 Tycho2 5645-00995-1 HD 156344 BD BD-07 4419
Tycho2
Tycho2 5645-00995-1 Pflag RAmdeg 259.34704302 DEmdeg -7.86916635
PmRA -16.8 PmDE 6.6 E RAmdeg 9 E DEmdeg 12
E pmRA 1.0 E pmDE 1.1 EpRAm 1989.14 EpDEm 1988.13
Num 16 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.1 BTmag 10.420 E BTmag 0.043 VTmag 8.433
E VTmag 0.016 Prox 256 TYC T HIP 84582
CCDM A RAdeg 259.34708250 DEdeg -7.86918250 EpRA 1990 1.75
EpDE 1990 1.42 E RAdeg 9.5 E DEdeg 13.0 Posflg
Corr -0.1
SAO
SAO 141591 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 0.018 Vmag 8.1 SpType K2
Double code Source 26 CatNum 5884 DM BD-07 4419
DMcomp BDsup HD 156344 M HD 0
GC RA1950rad 4.51462293 DE1950rad -0.13641538 PmRA2000 -0.001
PmDE2000 0.02
Hipparcos
Catalog H HIP 84582 Proxy RAhms 17 17 23.30
DEdms -07 52 09.0 Vmag 8.32 VarFlag R Vmag G
RAdeg 259.347 DEdeg -7.86918 AstroRef A Plx 2.36
CCDM 17174-0752 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual D M HIP
Theta Rho HD 156344 BD BD-07 4419
CD CP Dm number -07 4419 VIred 1.47
SpType K2 R SpType Coord arcsec 2000 171723.30-075209.0
Hipparcos 2
HIP 84582 Sn 95 So 3 Nc 1
RArad 4.5264605117 DErad -0.137343096 Plx 3.95 PmRA -18.21
PmDE 5.91 E RArad 1.15 E DErad 0.69 E Plx 1.34
E pmRA 1.42 E pmDE 0.8 Hpmag 8.3456 E Hpmag 0.0163
SHp 0.014 VA 0 BV 1.329 E BV 0.243
VI 1.47
CCDM
Ccdm 17174-0752 RComp Comp A Note1
Note2 Discov num DRAs -0.71 DDEs -7.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp K2 PmNote *
PmRA -18 PmDE 18 Dm number -07 4419 Cat1 BD
Name2 141591 Cat2 SAO HD 156344 M HD
ADS BDS B 7930 M ADS BDS N IDS IDS 17120S0745A
HIC 84582
 
 
17174-0752 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 171723.37-075234.8 Mag 10.53 PmRA -1.00
PmDE 3.0 HIP 84581 Tycho2 5645-00543-1 Calc delta mag 2.1
Calc coord yes
Tycho2
Tycho2 5645-00543-1 Pflag RAmdeg 259.34726512 DEmdeg -7.87628129
PmRA -1.2 PmDE 2.7 E RAmdeg 47 E DEmdeg 66
E pmRA 2.6 E pmDE 2.9 EpRAm 1987.85 EpDEm 1984.52
Num 3 Q RAmdeg 0.4 Q DEmdeg 0.3 Q pmRA 0.5
Q pmDE 0.3 BTmag 11.955 E BTmag 0.151 VTmag 10.530
E VTmag 0.066 Prox 256 TYC HIP 84581
CCDM B RAdeg 259.34726778 DEdeg -7.87628778 EpRA 1990 1.78
EpDE 1990 1.42 E RAdeg 47.5 E DEdeg 68.6 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 84581 Proxy RAhms 17 17 23.46
DEdms -07 52 36.6 Vmag 11.09 VarFlag R Vmag H
RAdeg 259.348 DEdeg -7.87684 AstroRef B Plx 100.89
CCDM 17174-0752 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual D M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.78
SpType R SpType Coord arcsec 2000 171723.46-075236.6
Hipparcos 2
HIP 84581 Sn 95 So 3 Nc 1
RArad 4.5264721173 DErad -0.1374770467 Plx 103.28 PmRA 13.58
PmDE 179.38 E RArad 50.77 E DErad 30.72 E Plx 54.57
E pmRA 64.28 E pmDE 35.36 Hpmag 11.6201 E Hpmag 0.2391
SHp 0 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 17174-0752 RComp Comp B Note1
Note2 Discov num STF2144 DRAs DDEs
R dRAs Year 1848 Theta 183 Rho 25.5
Obs 4 Vmag 9.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 7930 M ADS BDS N N IDS IDS 17120S0745B
HIC 84581