18171+4015 STF 2304 (HD 168295)

 
 
18h 17m 06.98s +40° 15' 21.2" P.A. 69.00 sep 5.1 mag 8.75,9.75 Sp K0 dist. 275.48 pc (898.62 l.y.)
 
 
Coord 2000 18171+4015 Discov num STF2304 Comp Coord arcsec 2000 18 17 06.98 +40 15 21.2
Date first 1830 Date last 2020 Obs 33
Pa first 69 Pa last 69.2 P.A. Now (θ) 69.2°
Sep first 4.9 Sep last 5.133 Sep. Now (ρ) 5.133"
Mag pri 8.75 Mag sec 9.75 delta mag (ΔM) 1 Spectral class K0 (yellow-orange)
Pri motion ra +000 Sec motion ra +002
Pri motion dec +020 Sec motion dec +020
Notes
rPM=0.1 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 168295 Constellation Lyra SAO 47358 HIP 89603
Tycho2 3107-02721-1 Gaia DR2 2109748859910515840 HD 168295 GC 24972
ADS 11238 BD BD+40 3331 Distance 275.48 Distance ly 898.62
 
 
WDS 18171+4015 STF 2304 (HD 168295) : 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
18171+4015 STF2304 2004 23 70 5.4 8.75 9.75 K0 D 181706.98+401521.2
18171+4015 STF2304 2017 25 70 5.2 8.75 9.75 K0 181706.98+401521.2
18171+4015 STF2304 2018 27 70 5.4 8.75 9.75 K0 181706.98+401521.2
18171+4015 STF2304 2019 31 70 5.2 8.75 9.75 K0 181706.98+401521.2
18171+4015 STF2304 2020 32 69 5.1 8.75 9.75 K0 181706.98+401521.2

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

 
 
WDS 18171+4015 STF 2304 (HD 168295) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18171+4015 STF 2304 (HD 168295) : MEASURES
 
 
No records found.

 
 
WDS 18171+4015 (HD 168295) : VIRTUAL EYEPIECE
 
 

18171+4015 STF2304A mag 8.75 Sp K0 18171+4015 STF2304B sep 4.1 P.A. 63.50 mag 9.75 virtual eyepiece
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Radius:
Components only
 
 
WDS 18171+4015 (HD 168295) : ALADIN DSS IMAGE @ 18h 17m 06.98s +40° 15' 21.2"
 
 
 
 
WDS 18171+4015 STF 2304 (HD 168295) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18171+4015  STF2304 distance=0' 18199+4033  BRT1916 distance=37' 18169+3935  TDT 773 distance=40' 18144+4042  TDS 910 distance=41' 18177+3932  TDT 778 distance=44' 18153+4054  BVD 261 distance=45' 18186+4104  BRT1915 distance=53' 18206+4049  LDS4785 distance=53' 18158+4107  ES 1651 distance=54' 18126+4033  OSO  96 distance=55' 18183+3920  ALI1101 distance=58' 18121+4015  LEO   1 distance=58' 18217+4039  UC 3559 distance=58' 18189+3918  MLB1078 distance=61' 18117+4020  UC 3526 distance=63' 18177+4122  LDS4783 distance=68' 18196+3915  MLB 754 distance=68' 18210+3923  DAM 108 distance=69' 18233+4028  TDT 827 distance=72' 18213+3920  HJ 1321 distance=75' 18212+3917  COU1460 distance=75' 18211+3917  COU1459 distance=75' 18241+4010  ES 1652 distance=80' 18231+4100  COU1602 distance=82' 18126+4123  STF2298AB distance=85' 18126+4123  STF2298AC distance=85' 18126+4123  WAL  89AB,D distance=85' 18131+4129  TOK 319 distance=87' 18097+4001  TDT 714 distance=87' 18241+4054  COU1603 distance=89' 18180+3846  GIC 151 distance=90' 18140+3853  NSN 793 distance=90' 18163+3846  KPP1820 distance=91' 18156+3842  ALI 871 distance=95' 18112+3906  HDS2565 distance=98' 18150+3840  LDS4781 distance=99' 18154+3836  MLB 852 distance=101' 18256+3945  COU1461 distance=102' 18107+3903  ES 2569 distance=104' 18079+4002  ES 1649AB distance=108' 18079+4002  ES 1649AC distance=108' 18216+3842  LDS5861 distance=109' 18126+3836  BU 1091 distance=113' 18269+4031  ES 1653 distance=114' 18155+3822  ALI 870 distance=116' 18156+3820  CBL  75 distance=117' 18272+4048  TDT 877 distance=120' 18240+3844  HO  432AB distance=121' 18240+3844  HO  432AC distance=121' 18273+3944  TDT 881 distance=121' 18065+4022  STF2282AB distance=122' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18171+4015 STF2304 69 5.1
Show 18199+4033 BRT1916 299 3.2 37
Show 18169+3935 TDT 773 128 0.9 40
Show 18144+4042 TDS 910 265 2.0 41
Show 18177+3932 TDT 778 177 0.9 44
Show 18153+4054 BVD 261 307 20.9 45
Show 18186+4104 BRT1915 12 4.5 53
Show 18206+4049 LDS4785 180 36.8 53
Show 18158+4107 ES 1651 5 2.5 54
Show 18126+4033 OSO 96 73 2.8 55
Show 18183+3920 ALI1101 176 7.6 58
Show 18121+4015 LEO 1 146 1.5 58
Show 18217+4039 UC 3559 248 48.2 58
Show 18189+3918 MLB1078 316 6.6 61
Show 18117+4020 UC 3526 137 25.0 63
Show 18177+4122 LDS4783 135 56.4 68
Show 18196+3915 MLB 754 49 4.4 68
Show 18210+3923 DAM 108 115 5.6 69
Show 18233+4028 TDT 827 124 0.5 72
Show 18213+3920 HJ 1321 75 9.5 75
Show 18212+3917 COU1460 342 0.5 75
Show 18211+3917 COU1459 92 1.4 75
Show 18241+4010 ES 1652 150 6.0 80
Show 18231+4100 COU1602 107 0.2 82
Show 18126+4123 STF2298 AB 172 1.9 85
Show 18126+4123 STF2298 AC 40 72.9 85
Show 18126+4123 WAL 89 AB,D 71 46.6 85
Show 18131+4129 TOK 319 301 94.2 87
Show 18097+4001 TDT 714 312 0.8 87
Show 18241+4054 COU1603 82 0.3 89
Show 18180+3846 GIC 151 277 9.8 90
Show 18140+3853 NSN 793 125 6.5 90
Show 18163+3846 KPP1820 296 14.1 91
Show 18156+3842 ALI 871 181 12.9 95
Show 18112+3906 HDS2565 340 0.7 98
Show 18150+3840 LDS4781 2.5 99
Show 18154+3836 MLB 852 42 8.9 101
Show 18256+3945 COU1461 245 0.8 102
Show 18107+3903 ES 2569 275 10.0 104
Show 18079+4002 ES 1649 AB 331 7.8 108
Show 18079+4002 ES 1649 AC 226 24.4 108
Show 18216+3842 LDS5861 140 4.7 109
Show 18126+3836 BU 1091 319 0.7 113
Show 18269+4031 ES 1653 190 10.2 114
Show 18155+3822 ALI 870 242 8.8 116
Show 18156+3820 CBL 75 207 18.5 117
Show 18272+4048 TDT 877 76 0.5 120
Show 18240+3844 HO 432 AB 285 17.2 121
Show 18240+3844 HO 432 AC 42 60.5 121
Show 18273+3944 TDT 881 4 0.8 121
Show 18065+4022 STF2282 AB 83 2.7 122

 
 
WDS 18171+4015 : COMPONENTS
 
 
  A
B pa=63.5°
sep=4.09"
 
 
18171+4015 A
 
 
Componente originario normalizzato AB Name HD 168295 Coord arcsec 2000 181706.98+401521.2 Mag 8.75
Spectral class K0 (yellow-orange) PmRA 0.00 PmDE 20.0 SAO 47358
HIP 89603 Tycho2 3107-02721-1 HD 168295 GC 24972
ADS 11238 BD BD+40 3331
Tycho2
Tycho2 3107-02721-1 Pflag RAmdeg 274.27908958 DEmdeg 40.25588773
PmRA 0.0 PmDE 17.8 E RAmdeg 10 E DEmdeg 9
E pmRA 1.7 E pmDE 1.7 EpRAm 1991.16 EpDEm 1991.34
Num 3 Q RAmdeg 1.0 Q DEmdeg 2.2 Q pmRA 1.0
Q pmDE 2.2 BTmag 10.098 E BTmag 0.027 VTmag 8.754
E VTmag 0.014 Prox 52 TYC T HIP 89603
CCDM A RAdeg 274.27908972 DEdeg 40.25584639 EpRA 1990 1.52
EpDE 1990 1.64 E RAdeg 9.8 E DEdeg 9.4 Posflg
Corr 0.1
SAO
SAO 47358 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 0.029 Vmag 8.5 SpType K0
Double code Source 70 CatNum 24972 DM BD+40 3331
DMcomp BDsup HD 168295 M HD 0
GC 24972 RA1950rad 4.77998835 DE1950rad 0.70224819 PmRA2000 0.0001
PmDE2000 0.029
Hipparcos
Catalog H HIP 89603 Proxy H RAhms 18 17 06.98
DEdms +40 15 21.0 Vmag 8.33 VarFlag R Vmag H
RAdeg 274.279 DEdeg 40.2558 AstroRef A Plx 4.4
CCDM 18171+4015 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 69 Rho 5.171 HD 168295 BD BD+40 3331
CD CP Dm number +40 3331 VIred 1.04
SpType K0... R SpType Coord arcsec 2000 181706.98+401521.0
Hipparcos 2
HIP 89603 Sn 15 So 3 Nc 2
RArad 4.7870731749 DErad 0.7025970372 Plx 3.63 PmRA 3.01
PmDE 20.12 E RArad 0.64 E DErad 0.72 E Plx 0.82
E pmRA 0.59 E pmDE 0.96 Hpmag 8.4899 E Hpmag 0.0013
SHp 0.017 VA 0 BV 0.929 E BV 0.021
VI 0.92
CCDM
Ccdm 18171+4015 RComp Comp A Note1
Note2 Discov num DRAs 0.94 DDEs 21.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.8 Sp K0 PmNote *
PmRA -3 PmDE 30 Dm number +40 3331 Cat1 BD
Name2 47358 Cat2 SAO HD 168295 M HD
ADS BDS A11238 M ADS BDS N IDS IDS 18139N4013A
HIC 89603
 
 
18171+4015 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181707.30+401523.0 Mag 9.75 PmRA 2.00
PmDE 20.0 Tycho2 3107-02469-1 Calc delta mag 1 Calc coord yes
Tycho2
Tycho2 3107-02469-1 Pflag RAmdeg 274.28090599 DEmdeg 40.25640978
PmRA 8.5 PmDE 22.3 E RAmdeg 20 E DEmdeg 17
E pmRA 1.8 E pmDE 1.7 EpRAm 1990.08 EpDEm 1990.62
Num 3 Q RAmdeg 0.6 Q DEmdeg 0.1 Q pmRA 0.5
Q pmDE 0.1 BTmag 10.461 E BTmag 0.035 VTmag 9.750
E VTmag 0.028 Prox 52 TYC T HIP 89603
CCDM B RAdeg 274.28087972 DEdeg 40.25635806 EpRA 1990 1.47
EpDE 1990 1.66 E RAdeg 20.2 E DEdeg 17.2 Posflg
Corr 0.2
CCDM
Ccdm 18171+4015 RComp Comp B Note1
Note2 Discov num STF2304 DRAs DDEs
R dRAs Year 1830 Theta 069 Rho 5.1
Obs 9 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11238 M ADS BDS N IDS IDS 18139N4013B
HIC 89603