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Doubles in session


Current system
18031+4828
STF 2277 AB
HD 165358


Nearby doubles
27' : 18049+4808
STT 343

42' : 18044+4749
KPP 409

46' : 17590+4811
COU1925

52' : 17593+4902
YSC 64AB

63' : 18095+4829
TDT 713

65' : 17567+4837
STF2258

68' : 18099+4824
STF2293AB

73' : 17560+4844
SLN 38

83' : 17553+4802
KPP4068

85' : 18071+4943
STT 344

90' : 18009+4954
LDS4770

91' : 18117+4758
COU2116

99' : 18066+5001
STF2290AB

99' : 18047+4650
COU2115AB

102' : 17536+4751
TDT 559

104' : 18119+4733
COU2117

107' : 17563+4705
COU1781

108' : 17524+4845
TDT 549

109' : 18069+4647
ES 1157AB

110' : 17545+4938
STF2251

114' : 18146+4827
SHN 228

119' : 18109+4958
KPP3328

122' : 18118+4955
COU2393

124' : 17508+4824
BU 964

125' : 17578+4635
BDK 9

125' : 18145+4737
COU2119



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.

18031+4828 STF 2277 AB (HD 165358)

 
 
18h 03m 08.87s +48° 27' 51.3" P.A. 128.00 sep 26.8 mag 6.25,8.93 Sp A1V dist. 164.74 pc (537.38 l.y.)
 
 
Coord 2000 18031+4828 Discov num STF2277 Comp AB Coord arcsec 2000 18 03 08.87 +48 27 51.3
Date first 1830 Date last 2018 Obs 70
Pa first 118 Pa last 128.1 P.A. Now (θ) 128.1°
Sep first 27.6 Sep last 26.771 Sep. Now (ρ) 26.771"
Mag pri 6.25 Mag sec 8.93 delta mag (ΔM) 2.68 Spectral class A1V (white)
Pri motion ra +018 Sec motion ra +005
Pri motion dec +011 Sec motion dec -012
Notes N (See Notes)
rPM=1.252
This double is not physical.
 
 
18031+4828 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 165358 47173 18 03 09 +48 27 51 STF 2277 AB 2018 70 128 26.8 6.25 8.93 2.68 <===
Show 47173 18 03 09 +48 27 51 STF 2277 AC 2015 21 297 99.7 6.25 10.19 3.94
Show 18 03 11 +48 27 35 STF 2277 BC 2015 21 300 126.4 8.93 10.19 1.26
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 165358 Constellation Hercules SAO 47173 HIP 88415
Tycho2 3528-02120-1 Gaia DR2 2122719386264539136 HD 165358 HR 6753
GC 24607 ADS 11028 BD BD+48 2627 Distance 164.74
Distance ly 537.38
 
 
WDS 18031+4828 STF 2277 AB (HD 165358) : NOTES
 
 
discov_num notes refcode
STF2277 Mt. Wilson spectral type of B is G8.
 
 
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
18031+4828 STF2277 AB 2006 54 128 26.4 6.25 8.93 A1V N D 180308.87+482751.3
18031+4828 STF2277 AB 2008 55 127 26.9 6.25 8.93 A1V N D 180308.87+482751.3
18031+4828 STF2277 AB 2010 60 128 26.7 6.25 8.93 A1V N D 180308.87+482751.3
18031+4828 STF2277 AB 2011 61 130 26.4 6.25 8.93 A1V N D 180308.87+482751.3
18031+4828 STF2277 AB 2014 63 128 26.8 6.25 8.93 A1V N D 180308.87+482751.3
18031+4828 STF2277 AB 2015 66 128 26.7 6.25 8.93 A1V N 180308.87+482751.3
18031+4828 STF2277 AB 2017 67 129 26.9 6.25 8.93 A1V N 180308.87+482751.3
18031+4828 STF2277 AB 2018 69 129 26.8 6.25 8.93 A1V N 180308.87+482751.3

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

 
 
WDS 18031+4828 STF 2277 AB (HD 165358) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18031+4828 STF 2277 AB (HD 165358) : MEASURES
 
 
No records found.

 
 
WDS 18031+4828 (HD 165358) : VIRTUAL EYEPIECE
 
 

18031+4828 STF2277A mag 6.25 Sp A1V 18031+4828 STF2277B sep 27.0 P.A. 126.60 mag 8.93 Sp G9III 18031+4828 STF2277C sep 74.4 P.A. 307.80 mag 10.19 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 18031+4828 (HD 165358) : ALADIN DSS IMAGE @ 18h 03m 08.87s +48° 27' 51.3"
 
 
 
 
WDS 18031+4828 STF 2277 AB (HD 165358) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18031+4828 STF2277AB distance=1' 18031+4828 STF2277AC distance=1' 18031+4828 STF2277BC distance=1' 18049+4808 STT 343 distance=27' 18044+4749 KPP 409 distance=42' 17590+4811 COU1925 distance=46' 17593+4902 YSC 64AB distance=52' 17593+4902 YSC 64Ba,Bb distance=52' 18095+4829 TDT 713 distance=63' 17567+4837 STF2258 distance=65' 18099+4824 STF2293AB distance=68' 17560+4844 SLN 38 distance=73' 17553+4802 KPP4068 distance=83' 18071+4943 STT 344 distance=85' 18009+4954 LDS4770 distance=90' 18117+4758 COU2116 distance=91' 18066+5001 COU2276Aa,Ab distance=99' 18066+5001 STF2290AB distance=99' 18066+5001 STF2290AC distance=99' 18047+4650 COU2115AB distance=99' 18047+4650 GII 258Aa,Ab distance=99' 17536+4751 TDT 559 distance=102' 18119+4733 COU2117 distance=104' 17563+4705 COU1781 distance=107' 17524+4845 TDT 549 distance=108' 18069+4647 ES 1157AB distance=109' 18069+4647 ES 1157AD distance=109' 18069+4647 ES 1157BC distance=109' 17545+4938 STF2251 distance=110' 18146+4827 SHN 228 distance=114' 18109+4958 KPP3328 distance=119' 18118+4955 COU2393 distance=122' 17508+4824 BU 964 distance=124' 17578+4635 BDK 9 distance=125' 18145+4737 COU2119 distance=125' 17541+4702 HDS2525 distance=125' 18133+4944 HDS2572 distance=126' 18094+5019 UC 236 distance=127' 17539+4701 KPP3325 distance=128' 17521+4719 DAM 268 distance=131' 18097+5024 HU 674 distance=133' 17516+4722 BEM9012 distance=134' 17505+4907 COU1924 distance=134' 17598+5039 COU2390 distance=136' 17494+4822 BEM 29 distance=137' 18121+4644 COU2118 distance=138' 18004+4611 J 756 distance=139' 18169+4856 LDS5174AB distance=140' 17547+4637 RAO 380 distance=140' 18001+5045 KPP1193 distance=141' 17494+4904 BEM9024AB distance=142' 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 18031+4828 STF2277 AB 128 26.8 1
Show 18031+4828 STF2277 AC 297 99.7 1
Show 18031+4828 STF2277 BC 300 126.4 1
Show 18049+4808 STT 343 79 3.3 27
Show 18044+4749 KPP 409 91 4.9 42
Show 17590+4811 COU1925 38 0.2 46
Show 17593+4902 YSC 64 AB 42 0.7 52
Show 17593+4902 YSC 64 Ba,Bb 224 0.1 52
Show 18095+4829 TDT 713 332 0.5 63
Show 17567+4837 STF2258 222 2.0 65
Show 18099+4824 STF2293 AB 83 12.8 68
Show 17560+4844 SLN 38 228 16.3 73
Show 17553+4802 KPP4068 16.7 83
Show 18071+4943 STT 344 140 2.3 85
Show 18009+4954 LDS4770 213 1.5 90
Show 18117+4758 COU2116 302 1.4 91
Show 18066+5001 COU2276 Aa,Ab 4 0.3 99
Show 18066+5001 STF2290 AB 351 4.0 99
Show 18066+5001 STF2290 AC 69 178.1 99
Show 18047+4650 COU2115 AB 42 0.3 99
Show 18047+4650 GII 258 Aa,Ab 114 0.1 99
Show 17536+4751 TDT 559 78 2.7 102
Show 18119+4733 COU2117 119 0.4 104
Show 17563+4705 COU1781 181 0.5 107
Show 17524+4845 TDT 549 300 1.0 108
Show 18069+4647 ES 1157 AB 178 29.3 109
Show 18069+4647 ES 1157 AD 236 49.7 109
Show 18069+4647 ES 1157 BC 11 2.8 109
Show 17545+4938 STF2251 20 16.1 110
Show 18146+4827 SHN 228 -1 0.1 114
Show 18109+4958 KPP3328 63 4.1 119
Show 18118+4955 COU2393 78 1.9 122
Show 17508+4824 BU 964 153 1.0 124
Show 17578+4635 BDK 9 131 197.0 125
Show 18145+4737 COU2119 275 1.3 125
Show 17541+4702 HDS2525 178 0.3 125
Show 18133+4944 HDS2572 69 14.6 126
Show 18094+5019 UC 236 322 13.5 127
Show 17539+4701 KPP3325 215 8.3 128
Show 17521+4719 DAM 268 43 6.3 131
Show 18097+5024 HU 674 213 0.7 133
Show 17516+4722 BEM9012 142 4.5 134
Show 17505+4907 COU1924 67 0.6 134
Show 17598+5039 COU2390 179 0.1 136
Show 17494+4822 BEM 29 135 5.0 137
Show 18121+4644 COU2118 274 0.1 138
Show 18004+4611 J 756 181 3.5 139
Show 18169+4856 LDS5174 AB 155 109.7 140
Show 17547+4637 RAO 380 92 1.1 140
Show 18001+5045 KPP1193 108 9.3 141
Show 17494+4904 BEM9024 AB 279 18.5 142

 
 
WDS 18031+4828 : COMPONENTS
 
 
  A B
B pa=126.6°
sep=27.01"
 
C pa=307.8°
sep=74.40"
pa=307.5°
sep=101.40"
 
 
18031+4828 A
 
 
Name HD 165358 Coord arcsec 2000 180308.87+482751.3 Mag 6.25 Spectral class A1V (white)
PmRA 18.00 PmDE 11.0 SAO 47173 HIP 88415
Tycho2 3528-02120-1 HD 165358 HR 6753 GC 24607
ADS 11028 BD BD+48 2627
Tycho2
Tycho2 3528-02120-1 Pflag RAmdeg 270.78703696 DEmdeg 48.46426959
PmRA 17.2 PmDE 13.9 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.46 EpDEm 1991.54
Num 9 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.9 BTmag 6.296 E BTmag 0.014 VTmag 6.248
E VTmag 0.010 Prox 268 TYC T HIP 88415
CCDM A RAdeg 270.78697611 DEdeg 48.46423750 EpRA 1990 1.58
EpDE 1990 1.66 E RAdeg 3.6 E DEdeg 3.6 Posflg
Corr -0.1
SAO
SAO 47173 DelFlag RA1950 PmRA1950 0.0023
DE1950 PmDE1950 0.014 Vmag 6.1 SpType A0
Double code Source 70 CatNum 24607 DM BD+48 2627
DMcomp BDsup HD 165358 M HD 0
GC 24607 RA1950rad 4.72042255 DE1950rad 0.84580547 PmRA2000 0.0029
PmDE2000 0.015
Hipparcos
Catalog H HIP 88415 Proxy RAhms 18 03 08.87
DEdms +48 27 51.3 Vmag 6.26 VarFlag R Vmag H
RAdeg 270.787 DEdeg 48.4642 AstroRef A Plx 6.2
CCDM 18031+4828 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual B M HIP
Theta Rho HD 165358 BD BD+48 2627
CD CP Dm number +48 2627 VIred 0.05
SpType A2V R SpType Coord arcsec 2000 180308.87+482751.3
Hipparcos 2
HIP 88415 Sn 95 So 3 Nc 1
RArad 4.726124281 DErad 0.845860498 Plx 6.07 PmRA 21.61
PmDE 12.49 E RArad 0.29 E DErad 0.31 E Plx 0.33
E pmRA 0.35 E pmDE 0.37 Hpmag 6.2738 E Hpmag 0.0083
SHp 0.008 VA 0 BV 0.037 E BV 0.003
VI 0.05
CCDM
Ccdm 18031+4828 RComp Comp A Note1
Note2 Discov num DRAs 2.80 DDEs -9.8
R dRAs 70 Year Theta Rho
Obs 3 Vmag 6.3 Sp A0 PmNote *
PmRA 21 PmDE 21 Dm number +48 2627 Cat1 BD
Name2 +48 1377 Cat2 AGK2/3 HD 165358 M HD
ADS BDS A11028 M ADS BDS N IDS IDS 18005N4828A
HIC 88415
 
 
18031+4828 B
 
 
Coord arcsec 2000 180311.05+482735.2 Coord calc 180311.05+482735.2 Mag 8.93 Spectral class G9III (yellow)
PmRA 5.00 PmDE -12.0 HIP 88420 Calc delta mag 2.68
Hipparcos
Catalog H HIP 88420 Proxy RAhms 18 03 11.04
DEdms +48 27 35.3 Vmag 9.04 VarFlag R Vmag H
RAdeg 270.796 DEdeg 48.4598 AstroRef B Plx 3.38
CCDM 18031+4828 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual B M HIP
Theta Rho HD BD
CD CP Dm number VIred 1.01
SpType K R SpType Coord arcsec 2000 180311.04+482735.3
Hipparcos 2
HIP 88420 Sn 95 So 3 Nc 1
RArad 4.7262819247 DErad 0.8457832101 Plx -6.81 PmRA -14.52
PmDE -9.65 E RArad 5.51 E DErad 5.55 E Plx 6.19
E pmRA 6.24 E pmDE 5.96 Hpmag 9.0517 E Hpmag 0.078
SHp 0 VA 0 BV 1.041 E BV 0.034
VI 1.01
CCDM
Ccdm 18031+4828 RComp Comp B Note1
Note2 Discov num STF2277 DRAs 4.96 DDEs -26.2
R dRAs 70 Year 1958 Theta 125 Rho 27.0
Obs 16 Vmag 8.2 Sp PmNote *
PmRA 8 PmDE -4 Dm number Cat1
Name2 +48 1378 Cat2 AGK2/3 HD M HD
ADS BDS A11028 M ADS BDS N N IDS IDS 18005N4828B
HIC 88420
 
 
18031+4828 C
 
 
Coord arcsec 2000 180302.96+482836.9 Mag 10.19 PmRA -4.00 PmDE 231.0
Calc delta mag 3.94 Calc coord yes
CCDM
Ccdm 18031+4828 RComp Comp C Note1
Note2 Discov num STF2277 DRAs -6.04 DDEs 29.4
R dRAs 70 Year 1959 Theta 292 Rho 94.0
Obs 6 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11028 M ADS BDS N IDS IDS 18005N4828C
HIC