18443+6103 STF 2403 (HD 173949)

 
 
18h 44m 18.25s +61° 02' 53.3" P.A. 278.00 sep 1.1 mag 6.25,8.35 Sp G8III dist. 109.53 pc (357.29 l.y.)
 
 
Coord 2000 18443+6103 Discov num STF2403 Comp Coord arcsec 2000 18 44 18.25 +61 02 53.3
Date first 1832 Date last 2011 Obs 49
Pa first 259 Pa last 277.9 P.A. Now (θ) 277.9°
Sep first 1.9 Sep last 1.061 Sep. Now (ρ) 1.061"
Mag pri 6.25 Mag sec 8.35 delta mag (ΔM) 2.1 Spectral class G8III (yellow)
Pri motion ra +004 Sec motion ra +004
Pri motion dec +020 Sec motion dec +020
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 173949 Constellation Draco SAO 17995 HIP 91915
Tycho2 4215-02488-1 Gaia DR2 2156562659107944448 HD 173949 HR 7075
GC 25705 ADS 11661 BD BD+60 1845 Distance 109.53
Distance ly 357.29
 
 
WDS 18443+6103 STF 2403 (HD 173949) : 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
18443+6103 STF2403 2007 43 281 1.1 6.25 8.35 G8III D 184418.25+610253.3
18443+6103 STF2403 2010 47 277 1.1 6.25 8.35 G8III D 184418.25+610253.3
18443+6103 STF2403 2011 49 278 1.1 6.25 8.35 G8III D 184418.25+610253.3

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

 
 
WDS 18443+6103 STF 2403 (HD 173949) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18443+6103 STF 2403 (HD 173949) : MEASURES
 
 
No records found.

 
 
WDS 18443+6103 (HD 173949) : VIRTUAL EYEPIECE
 
 

18443+6103 STF2403A mag 6.25 Sp G8III 18443+6103 STF2403B sep 0.5 P.A. 286.00 mag 8.35 virtual eyepiece
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Radius:
Components only
 
 
WDS 18443+6103 (HD 173949) : ALADIN DSS IMAGE @ 18h 44m 18.25s +61° 02' 53.3"
 
 
 
 
WDS 18443+6103 STF 2403 (HD 173949) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18443+6103  STF2403 distance=0' 18420+6109  LDS2747 distance=20' 18461+6121  MLR   7 distance=23' 18417+6051  STI 858 distance=23' 18439+6039  ES  189AB distance=25' 18416+6047  STI 857 distance=26' 18459+6040  TDT1041 distance=27' 18480+6113  LDS2750 distance=28' 18406+6123  ES 1838 distance=33' 18483+6044  LDS2751 distance=36' 18384+6043  HJ 2836AB distance=48' 18384+6043  HJ 2836AC distance=48' 18384+6043  SLE 235AD distance=48' 18437+6005  STI 859 distance=58' 18361+6100  LDS2417 distance=61' 18373+6147  LDS2418 distance=68' 18472+6215  LDS2749 distance=75' 18355+6010  STI 854 distance=84' 18428+5938  STF2398AB distance=86' 18428+5938  POP1224AD distance=86' 18428+5938  STF2398AC distance=86' 18428+5938  STF2398BC distance=87' 18411+6226  LDS2746 distance=87' 18550+6143  ES 2669 distance=87' 18337+6019  FOX  83 distance=89' 18537+6005  TDT1117 distance=91' 18520+5951  STI 866 distance=92' 18519+5948  STI 865 distance=93' 18517+6222  ES 1841 distance=96' 18367+6222  TDT 956 distance=97' 18565+6144  ES 1842 distance=97' 18448+6241  CFN  16 distance=99' 18494+6234  HJ 2846 distance=99' 18459+5924  MLB1079AB distance=101' 18459+5924  MLB1079BC distance=102' 18524+5938  STI 867 distance=105' 18469+5920  STF2410 distance=105' 18392+5925  TDT 975 distance=106' 18401+5922  UC 3633 distance=106' 18348+5944  TDS 930 distance=106' 18301+6135  STI 850 distance=107' 18449+5916  UC 3661 distance=108' 18545+5946  TOI1307 distance=109' 18295+6047  TOB 150 distance=110' 18512+5923  STF2420BC distance=112' 18512+5923  STF2420AB distance=113' 18512+5923  STF2420AC distance=113' 18512+5923  CIA   8Aa,Ab distance=113' 18473+6254  ES  127 distance=114' 18580+6159  ES 1843 distance=114' 18585+6012  LDS2754 distance=116' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 18443+6103 STF2403 278 1.1
Show 18420+6109 LDS2747 68 4.0 20
Show 18461+6121 MLR 7 303 1.1 23
Show 18417+6051 STI 858 10 4.2 23
Show 18439+6039 ES 189 AB 107 3.3 25
Show 18416+6047 STI 857 176 4.5 26
Show 18459+6040 TDT1041 7 2.5 27
Show 18480+6113 LDS2750 136 2.2 28
Show 18406+6123 ES 1838 153 7.0 33
Show 18483+6044 LDS2751 152 7.6 36
Show 18384+6043 HJ 2836 AB 316 32.3 48
Show 18384+6043 HJ 2836 AC 252 56.4 48
Show 18384+6043 SLE 235 AD 313 154.7 48
Show 18437+6005 STI 859 165 11.9 58
Show 18361+6100 LDS2417 185 66.9 61
Show 18373+6147 LDS2418 245 118.6 68
Show 18472+6215 LDS2749 231 21.5 75
Show 18355+6010 STI 854 230 10.5 84
Show 18428+5938 STF2398 AB 181 11.4 86
Show 18428+5938 POP1224 AD 110 100.0 86
Show 18428+5938 STF2398 AC 158 216.8 86
Show 18428+5938 STF2398 BC 157 202.7 87
Show 18411+6226 LDS2746 288 17.7 87
Show 18550+6143 ES 2669 166 11.9 87
Show 18337+6019 FOX 83 28 0.7 89
Show 18537+6005 TDT1117 44 2.0 91
Show 18520+5951 STI 866 274 3.8 92
Show 18519+5948 STI 865 179 3.7 93
Show 18517+6222 ES 1841 105 3.4 96
Show 18367+6222 TDT 956 266 0.5 97
Show 18565+6144 ES 1842 266 7.7 97
Show 18448+6241 CFN 16 278 1.3 99
Show 18494+6234 HJ 2846 239 14.6 99
Show 18459+5924 MLB1079 AB 203 34.1 101
Show 18459+5924 MLB1079 BC 279 7.4 102
Show 18524+5938 STI 867 220 6.1 105
Show 18469+5920 STF2410 85 1.7 105
Show 18392+5925 TDT 975 42 0.6 106
Show 18401+5922 UC 3633 276 49.7 106
Show 18348+5944 TDS 930 38 1.1 106
Show 18301+6135 STI 850 37 6.3 107
Show 18449+5916 UC 3661 240 24.1 108
Show 18545+5946 TOI1307 35 0.3 109
Show 18295+6047 TOB 150 302 91.1 110
Show 18512+5923 STF2420 BC 326 103.5 112
Show 18512+5923 STF2420 AB 316 37.6 113
Show 18512+5923 STF2420 AC 324 141.3 113
Show 18512+5923 CIA 8 Aa,Ab 202 0.0 113
Show 18473+6254 ES 127 143 5.0 114
Show 18580+6159 ES 1843 168 4.8 114
Show 18585+6012 LDS2754 73 18.4 116

 
 
WDS 18443+6103 : COMPONENTS
 
 
  A
B pa=286.0°
sep=0.53"
 
 
18443+6103 A
 
 
Componente originario normalizzato AB Name HD 173949 Coord arcsec 2000 184418.25+610253.3 Mag 6.25
Spectral class G8III (yellow) PmRA 4.00 PmDE 20.0 SAO 17995
HIP 91915 Tycho2 4215-02488-1 HD 173949 HR 7075
GC 25705 BD BD+60 1845
Tycho2
Tycho2 4215-02488-1 Pflag P RAmdeg 281.07602849 DEmdeg 61.04814849
PmRA 4.0 PmDE 19.7 E RAmdeg 4 E DEmdeg 4
E pmRA 2.2 E pmDE 2.2 EpRAm 1991.57 EpDEm 1991.56
Num 5 Q RAmdeg 1.5 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.4 BTmag 7.498 E BTmag 0.015 VTmag 6.254
E VTmag 0.010 Prox 12 TYC T HIP 91915
CCDM A RAdeg 281.07610333 DEdeg 61.04809917 EpRA 1990 1.62
EpDE 1990 1.61 E RAdeg 3.8 E DEdeg 3.8 Posflg D
Corr 0.0
SAO
SAO 17995 DelFlag RA1950 PmRA1950 -0.0014
DE1950 PmDE1950 0.019 Vmag 6.2 SpType K0
Double code Source 70 CatNum 25705 DM BD+60 1845
DMcomp BDsup HD 173949 M HD 0
GC 25705 RA1950rad 4.90312724 DE1950rad 1.06455903 PmRA2000 -0.0007
PmDE2000 0.018
Hipparcos
Catalog H HIP 91915 Proxy H RAhms 18 44 18.27
DEdms +61 02 53.1 Vmag 6.02 VarFlag R Vmag G
RAdeg 281.076 DEdeg 61.0481 AstroRef A Plx 8.95
CCDM 18443+6103 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 275 Rho 1.146 HD 173949 BD BD+60 1845
CD CP Dm number +60 1845 VIred 0.95
SpType G7IV R SpType Coord arcsec 2000 184418.27+610253.1
Hipparcos 2
HIP 91915 Sn 15 So 3 Nc 2
RArad 4.9057034817 DErad 1.0654902822 Plx 9.13 PmRA 0.19
PmDE 19.45 E RArad 0.34 E DErad 0.36 E Plx 0.36
E pmRA 0.39 E pmDE 0.41 Hpmag 6.1671 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.967 E BV 0.003
VI 0.95
CCDM
Ccdm 18443+6103 RComp Comp A Note1
Note2 Discov num DRAs 0.26 DDEs -7.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.3 Sp K0 PmNote *
PmRA -1 PmDE 7 Dm number +60 1845 Cat1 BD
Name2 +60 1136 Cat2 AGK2/3 HD 173949 M HD
ADS BDS A11661 M ADS BDS N IDS IDS 18431N6057A
HIC 91915
 
 
18443+6103 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184418.18+610253.4 Mag 8.35 PmRA 4.00
PmDE 20.0 Tycho2 4215-02488-2 Calc delta mag 2.1 Calc coord yes
Tycho2
Tycho2 4215-02488-2 Pflag P RAmdeg 281.07602849 DEmdeg 61.04814849
PmRA 4.0 PmDE 19.7 E RAmdeg 4 E DEmdeg 4
E pmRA 2.2 E pmDE 2.2 EpRAm 1991.57 EpDEm 1991.56
Num 5 Q RAmdeg 1.5 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.4 BTmag 8.883 E BTmag 0.018 VTmag 8.347
E VTmag 0.013 Prox 12 TYC HIP 91915
CCDM B RAdeg 281.07543722 DEdeg 61.04812250 EpRA 1990 1.66
EpDE 1990 1.62 E RAdeg 7.0 E DEdeg 7.4 Posflg D
Corr 0.0
CCDM
Ccdm 18443+6103 RComp Comp B Note1
Note2 Discov num STF2403 DRAs DDEs
R dRAs Year 1958 Theta 271 Rho 1.4
Obs 16 Vmag 9.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11661 M ADS BDS N IDS IDS 18431N6057B
HIC 91915