17240-0050 STF 2156 (HD 157544)

 
 
17h 23m 57.34s -00° 50' 06.8" P.A. 36.00 sep 3.8 mag 8.95,9.50 Sp F2 dist. 115.87 pc (377.97 l.y.)
 
 
Coord 2000 17240-0050 Discov num STF2156 Comp Coord arcsec 2000 17 23 57.34 -00 50 06.8
Date first 1830 Date last 2017 Obs 56
Pa first 32 Pa last 35.6 P.A. Now (θ) 35.6°
Sep first 3.3 Sep last 3.799 Sep. Now (ρ) 3.799"
Mag pri 8.95 Mag sec 9.50 delta mag (ΔM) 0.55 Spectral class F2 (yellow-white)
Pri motion ra -043 Sec motion ra -045
Pri motion dec -002 Sec motion dec +004
Notes
rPM=0.14 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157544 Constellation Ophiuchus SAO 141648 HIP 85136
Tycho2 5067-00288-1 HD 157544 GC 23525 BD BD-00 3275
Distance 115.87 Distance ly 377.97
 
 
WDS 17240-0050 STF 2156 (HD 157544) : 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
17240-0050 STF2156 2001 49 35 3.7 8.95 9.50 F2 D 172357.34-005006.8
17240-0050 STF2156 2007 50 36 3.8 8.95 9.50 F2 D 172357.34-005006.8
17240-0050 STF2156 2011 51 35 4.0 8.95 9.50 F2 D 172357.34-005006.8
17240-0050 STF2156 2016 52 36 3.8 8.95 9.50 F2 172357.34-005006.8
17240-0050 STF2156 2017 53 36 3.8 8.95 9.50 F2 172357.34-005006.8

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

 
 
WDS 17240-0050 STF 2156 (HD 157544) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17240-0050 STF 2156 (HD 157544) : MEASURES
 
 
No records found.

 
 
WDS 17240-0050 (HD 157544) : VIRTUAL EYEPIECE
 
 

17240-0050 STF2156A mag 8.95 Sp F2 17240-0050 STF2156B sep 3.8 P.A. 35.60 mag 9.5 virtual eyepiece
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Radius:
Components only
 
 
WDS 17240-0050 (HD 157544) : ALADIN DSS IMAGE @ 17h 23m 57.34s -00° 50' 06.8"
 
 
 
 
WDS 17240-0050 STF 2156 (HD 157544) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


17240-0050  STF2156 distance=0' 17241-0033  KPP1164 distance=17' 17250+0108  RST5431AB distance=24' 17250+0108  SCA 199Aa,Ab distance=24' 17255+0030  RST5432 distance=31' 17214+0042  RST5429 distance=40' 17229-0009  SHN 219 distance=45' 17211+0034  CVR 860 distance=46' 17262-0010  A  1150 distance=53' 17210-0014  RST5079AB distance=58' 17210-0014  GII 245Aa,Ab distance=58' 17279+0051  BAL1186 distance=59' 17236+0149  J  2505 distance=60' 17211+0127  STF2150AB distance=60' 17211+0127  STF2150AC distance=60' 17265+0142  KPP 605 distance=64' 17230+0157  J  3211 distance=67' 17282-0013  ITF 130 distance=75' 17288+0020  WFC 193 distance=80' 17258+0207  CSN   8 distance=82' 17215+0203  BAL1935 distance=82' 17262+0205  BAL1937 distance=83' 17292+0025  RST5434 distance=84' 17214+0206  TDT 318 distance=85' 17238+0219  BAL1936 distance=90' 17207+0207  UC 3329 distance=92' 17269+0219  A  2243 distance=100' 17187+0157  LDT  14Ba,Bb distance=105' 17187+0157  LDS 991AB distance=105' 17283+0212  A  2245AB distance=106' 17253+0239  GWP2711 distance=111' 17244+0242  TDS 865 distance=113' 17166-0027  A  2984 distance=113' 17165+0113  HJ  854 distance=114' 17168+0133  TDT 296AB distance=116' 17168+0133  GII 243Aa,Ab distance=116' 17168+0133  TDT 296AC distance=116' 17285+0224  A  2246 distance=117' 17318-0055  RST5088 distance=118' 17316-0023  GWP2719 distance=118' 17320+0047  BAL1187 distance=121' 17177+0207  BAL1934 distance=121' 17320-0042  TDT 399 distance=121' 17268-0104  RST5082 distance=121' 17319-0025  GWP2720 distance=122' 17162+0131  UC 3312 distance=124' 17242-0124  RST5080 distance=133' 17241+0304  STF2158 distance=134' 17162+0211  CHR  61 distance=142' 17246+0311  BAL2439 distance=142' 17309+0226  BAL1938 distance=142' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 17240-0050 STF2156 36 3.8
Show 17241-0033 KPP1164 202 9.1 17
Show 17250+0108 RST5431 AB 161 2.7 24
Show 17250+0108 SCA 199 Aa,Ab 159 0.2 24
Show 17255+0030 RST5432 187 0.2 31
Show 17214+0042 RST5429 305 1.6 40
Show 17229-0009 SHN 219 -1 0.1 45
Show 17211+0034 CVR 860 78 26.9 46
Show 17262-0010 A 1150 124 2.7 53
Show 17210-0014 RST5079 AB 63 1.3 58
Show 17210-0014 GII 245 Aa,Ab 119 0.1 58
Show 17279+0051 BAL1186 116 8.3 59
Show 17236+0149 J 2505 137 1.6 60
Show 17211+0127 STF2150 AB 214 11.7 60
Show 17211+0127 STF2150 AC 56 160.8 60
Show 17265+0142 KPP 605 194 5.6 64
Show 17230+0157 J 3211 144 4.0 67
Show 17282-0013 ITF 130 45 2.7 75
Show 17288+0020 WFC 193 316 46.8 80
Show 17258+0207 CSN 8 269 7.3 82
Show 17215+0203 BAL1935 26 18.7 82
Show 17262+0205 BAL1937 204 12.0 83
Show 17292+0025 RST5434 161 1.5 84
Show 17214+0206 TDT 318 17 0.4 85
Show 17238+0219 BAL1936 315 3.4 90
Show 17207+0207 UC 3329 304 32.2 92
Show 17269+0219 A 2243 301 2.0 100
Show 17187+0157 LDT 14 Ba,Bb 55 0.5 105
Show 17187+0157 LDS 991 AB 139 13.0 105
Show 17283+0212 A 2245 AB 351 2.1 106
Show 17253+0239 GWP2711 215 33.0 111
Show 17244+0242 TDS 865 144 1.1 113
Show 17166-0027 A 2984 27 0.7 113
Show 17165+0113 HJ 854 357 20.7 114
Show 17168+0133 TDT 296 AB 84 0.8 116
Show 17168+0133 GII 243 Aa,Ab 143 0.2 116
Show 17168+0133 TDT 296 AC 19 3.7 116
Show 17285+0224 A 2246 120 0.4 117
Show 17318-0055 RST5088 58 1.2 118
Show 17316-0023 GWP2719 111 48.2 118
Show 17320+0047 BAL1187 272 3.6 121
Show 17177+0207 BAL1934 235 12.6 121
Show 17320-0042 TDT 399 134 0.4 121
Show 17268-0104 RST5082 284 1.5 121
Show 17319-0025 GWP2720 302 191.9 122
Show 17162+0131 UC 3312 262 45.7 124
Show 17242-0124 RST5080 25 3.1 133
Show 17241+0304 STF2158 77 23.4 134
Show 17162+0211 CHR 61 68 0.2 142
Show 17246+0311 BAL2439 20 13.5 142
Show 17309+0226 BAL1938 117 11.9 142

 
 
WDS 17240-0050 : COMPONENTS
 
 
  A
B pa=35.6°
sep=3.80"
 
 
17240-0050 A
 
 
Componente originario normalizzato AB Name HD 157544 Coord arcsec 2000 172357.34-005006.8 Mag 8.95
Spectral class F2 (yellow-white) PmRA -43.00 PmDE -2.0 SAO 141648
HIP 85136 Tycho2 5067-00288-1 HD 157544 GC 23525
BD BD-00 3275
Tycho2
Tycho2 5067-00288-1 Pflag RAmdeg 260.98892616 DEmdeg -0.83522681
PmRA -38.2 PmDE -0.7 E RAmdeg 7 E DEmdeg 11
E pmRA 1.7 E pmDE 1.7 EpRAm 1991.64 EpDEm 1991.31
Num 4 Q RAmdeg 2.1 Q DEmdeg 1.5 Q pmRA 2.2
Q pmDE 1.5 BTmag 9.532 E BTmag 0.020 VTmag 8.950
E VTmag 0.015 Prox 38 TYC T HIP 85136
CCDM A RAdeg 260.98901306 DEdeg -0.83522500 EpRA 1990 1.84
EpDE 1990 1.82 E RAdeg 7.4 E DEdeg 10.6 Posflg
Corr 0.0
SAO
SAO 141648 DelFlag RA1950 PmRA1950 -0.0009
DE1950 PmDE1950 -0.003 Vmag 9 SpType F2
Double code Source 70 CatNum 23525 DM BD-00 3275
DMcomp BDsup HD 157544 M HD 0
GC 23525 RA1950rad 4.54388404 DE1950rad -0.01378693 PmRA2000 -0.0007
PmDE2000 -0.002
Hipparcos
Catalog H HIP 85136 Proxy H RAhms 17 23 57.37
DEdms -00 50 06.8 Vmag 8.41 VarFlag R Vmag G
RAdeg 260.989 DEdeg -0.835221 AstroRef A Plx 7.86
CCDM 17240-0050 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 36 Rho 3.734 HD 157544 BD BD-00 3275
CD CP Dm number -00 3275 VIred 0.11
SpType F2 R SpType Coord arcsec 2000 172357.37-005006.8
Hipparcos 2
HIP 85136 Sn 15 So 3 Nc 2
RArad 4.5551177493 DErad -0.0145773516 Plx 8.63 PmRA -43.64
PmDE 5.19 E RArad 0.96 E DErad 0.7 E Plx 1.2
E pmRA 1.22 E pmDE 0.75 Hpmag 8.5393 E Hpmag 0.002
SHp 0.02 VA 0 BV 0.564 E BV 0.037
VI 0.64
CCDM
Ccdm 17240-0050 RComp Comp A Note1
Note2 Discov num DRAs -2.60 DDEs -6.0
R dRAs 12 Year Theta Rho
Obs 2 Vmag 9.0 Sp F2 PmNote
PmRA -78 PmDE -60 Dm number -00 3275 Cat1 BD
Name2 -00 2202 Cat2 AGK2/3 HD 157544 M HD
ADS BDS A10518 M ADS BDS N IDS IDS 17188S0045A
HIC 85136
 
 
17240-0050 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 172357.49+005009.9 Mag 9.5 PmRA -45.00
PmDE 4.0 Calc delta mag 0.55 Calc coord yes
CCDM
Ccdm 17240-0050 RComp Comp B Note1
Note2 Discov num STF2156 DRAs DDEs
R dRAs Year 1830 Theta 036 Rho 3.5
Obs 19 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10518 M ADS BDS N IDS IDS 17188S0045B
HIC 85136