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Current system
17161+6043
STF 2155 AB
HD 156890


Nearby doubles
24' : 17166+6107
LDS6318

34' : 17151+6010
LDS1440

40' : 17196+6113
LDS1443

56' : 17169+5948
LDS1442AB

60' : 17103+6001
TDT 244

61' : 17233+6113
TDT 332

66' : 17239+6014
FOX 78

72' : 17170+5932
STI 820

79' : 17175+5925
DEA 88

81' : 17269+6054
TDT 353

89' : 17201+6206
HU 920

97' : 17276+6131
LDS1446

99' : 17086+6205
DAM 892

100' : 17025+6037
KPP4021

104' : 17020+6008
GRV1130

104' : 17032+6129
DVG 46

106' : 17073+5920
MLR 354

110' : 17161+5854
ES 1794

111' : 17053+5927
MLR 353

111' : 17192+6231
ES 1831

112' : 17051+5927
CVR 197

112' : 17027+5952
STI 813

114' : 17145+6234
LDS1439

114' : 17317+6051
LDS1448AB

117' : 17025+6145
UC 3279

117' : 17033+5935
STF2128



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17161+6043 STF 2155 AB (HD 156890)

 
 
17h 16m 04.88s +60° 42' 49.7" P.A. 113.00 sep 10.0 mag 6.93,9.97 Sp F3III dist. 182.48 pc (595.25 l.y.)
 
 
Coord 2000 17161+6043 Discov num STF2155 Comp AB Coord arcsec 2000 17 16 04.88 +60 42 49.7
Date first 1830 Date last 2018 Obs 33
Pa first 116 Pa last 112.7 P.A. Now (θ) 112.7°
Sep first 9.6 Sep last 9.96 Sep. Now (ρ) 9.96"
Mag pri 6.93 Mag sec 9.97 delta mag (ΔM) 3.04 Spectral class F3III (yellow-white)
Pri motion ra +004 Sec motion ra +006
Pri motion dec +038 Sec motion dec +039
Notes
rPM=0.057 (< 0.3, Physical double)
This double is physical.
 
 
17161+6043 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 156890 17410 17 16 05 +60 42 50 STF 2155 AB 2018 33 113 10.0 6.93 9.97 3.04 <===
Show 17410 17 16 05 +60 42 50 WAL 79 AC 2020 9 81 134.2 6.93 9.78 2.85
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 156890 Constellation Draco SAO 17410 HIP 84465
Tycho2 4198-01479-1 Gaia DR2 1437641350585937920 HD 156890 BD BD+60 1742
Distance 182.48 Distance ly 595.25
 
 
WDS 17161+6043 STF 2155 AB (HD 156890) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
STF (F. Struve DD - Appendix list #1)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
17161+6043 STF2155 AB 2006 27 112 9.8 6.93 9.97 F3III +60 1742 D 171604.88+604249.7
17161+6043 STF2155 AB 2010 28 113 9.8 6.93 9.97 F3III +60 1742 D 171604.88+604249.7
17161+6043 STF2155 AB 2015 29 113 9.8 6.93 9.97 F3III +60 1742 171604.88+604249.7
17161+6043 STF2155 AB 2018 31 113 10.0 6.93 9.97 F3III +60 1742 171604.88+604249.7

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

 
 
WDS 17161+6043 STF 2155 AB (HD 156890) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17161+6043 STF 2155 AB (HD 156890) : MEASURES
 
 
No records found.

 
 
WDS 17161+6043 (HD 156890) : VIRTUAL EYEPIECE
 
 

17161+6043 STF2155A mag 6.93 Sp F3III 17161+6043 STF2155B sep 10.0 P.A. 112.70 mag 9.97 17161+6043 WAL 79C sep 134.2 P.A. 80.50 mag 9.78 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 17161+6043 (HD 156890) : ALADIN DSS IMAGE @ 17h 16m 04.88s +60° 42' 49.7"
 
 
 
 
WDS 17161+6043 STF 2155 AB (HD 156890) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17161+6043 STF2155AB distance=1' 17161+6043 WAL 79AC distance=1' 17166+6107 LDS6318 distance=24' 17151+6010 LDS1440 distance=34' 17196+6113 LDS1443 distance=40' 17169+5948 LDS1442BC distance=54' 17169+5948 LDS1442AB distance=56' 17103+6001 TDT 244 distance=60' 17233+6113 TDT 332 distance=61' 17239+6014 FOX 78 distance=66' 17170+5932 STI 820 distance=72' 17175+5925 DEA 88 distance=79' 17269+6054 TDT 353 distance=81' 17201+6206 HU 920 distance=89' 17276+6131 LDS1446 distance=97' 17086+6205 DAM 892 distance=99' 17025+6037 KPP4021 distance=100' 17020+6008 GRV1130 distance=104' 17032+6129 DVG 46 distance=104' 17073+5920 MLR 354 distance=106' 17161+5854 ES 1794 distance=110' 17053+5927 MLR 353 distance=111' 17192+6231 ES 1831 distance=111' 17051+5927 CVR 197 distance=112' 17027+5952 STI 813 distance=112' 17145+6234 LDS1439 distance=114' 17317+6051 LDS1448AB distance=114' 17317+6051 DAM 683AC distance=114' 17317+6051 DAM 683AD distance=114' 17025+6145 UC 3279 distance=117' 17033+5935 STF2128 distance=117' 17246+6226 LDS1445 distance=120' 17074+6229 HU 918 distance=123' 17126+5838 DAM 987 distance=128' 17037+5914 UC 3280AB distance=129' 17128+5837 DAM 989 distance=129' 17154+6252 LDS1441 distance=130' 16590+5954 GRV1129 distance=130' 17195+5832 KR 46 distance=134' 17070+5844 GRV1132 distance=135' 16576+6027 HDS2398 distance=137' 17341+6011 ES 1795 distance=137' 17299+6224 LDS1447 distance=142' 16588+6151 LDS2405 distance=143' 17161+6306 CBL 514 distance=144' 17327+5924 MLR 355 distance=148' 17307+6231 ES 1832 distance=151' 17350+6153 BU 962AB distance=153' 17350+6153 LDS2736AB,C distance=153' 17350+6153 SDR 1AB,D distance=153' 17350+6153 HZE 3AE distance=153' 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 17161+6043 STF2155 AB 113 10.0 1
Show 17161+6043 WAL 79 AC 81 134.2 1
Show 17166+6107 LDS6318 254 8.3 24
Show 17151+6010 LDS1440 85 103.6 34
Show 17196+6113 LDS1443 337 7.6 40
Show 17169+5948 LDS1442 BC 115 5.3 54
Show 17169+5948 LDS1442 AB 10 71.8 56
Show 17103+6001 TDT 244 186 2.3 60
Show 17233+6113 TDT 332 236 2.5 61
Show 17239+6014 FOX 78 39 1.0 66
Show 17170+5932 STI 820 67 12.2 72
Show 17175+5925 DEA 88 303 14.4 79
Show 17269+6054 TDT 353 290 1.1 81
Show 17201+6206 HU 920 317 0.4 89
Show 17276+6131 LDS1446 197 12.7 97
Show 17086+6205 DAM 892 18 2.6 99
Show 17025+6037 KPP4021 79 2.0 100
Show 17020+6008 GRV1130 286 33.3 104
Show 17032+6129 DVG 46 324 30.3 104
Show 17073+5920 MLR 354 289 1.7 106
Show 17161+5854 ES 1794 139 4.0 110
Show 17053+5927 MLR 353 354 0.7 111
Show 17192+6231 ES 1831 276 5.0 111
Show 17051+5927 CVR 197 103 12.4 112
Show 17027+5952 STI 813 66 11.1 112
Show 17145+6234 LDS1439 140 10.7 114
Show 17317+6051 LDS1448 AB 24 86.7 114
Show 17317+6051 DAM 683 AC 255 7.2 114
Show 17317+6051 DAM 683 AD 8 76.0 114
Show 17025+6145 UC 3279 131 12.8 117
Show 17033+5935 STF2128 42 12.2 117
Show 17246+6226 LDS1445 68 91.8 120
Show 17074+6229 HU 918 38 0.2 123
Show 17126+5838 DAM 987 42 2.6 128
Show 17037+5914 UC 3280 AB 339 47.7 129
Show 17128+5837 DAM 989 13 5.2 129
Show 17154+6252 LDS1441 298 194.0 130
Show 16590+5954 GRV1129 315 44.9 130
Show 17195+5832 KR 46 64 1.6 134
Show 17070+5844 GRV1132 176 19.2 135
Show 16576+6027 HDS2398 277 0.2 137
Show 17341+6011 ES 1795 147 2.6 137
Show 17299+6224 LDS1447 37 24.9 142
Show 16588+6151 LDS2405 234 2.4 143
Show 17161+6306 CBL 514 11 31.3 144
Show 17327+5924 MLR 355 209 0.7 148
Show 17307+6231 ES 1832 158 3.3 151
Show 17350+6153 BU 962 AB 301 0.6 153
Show 17350+6153 LDS2736 AB,C 160 737.9 153
Show 17350+6153 SDR 1 AB,D 259 20.0 153
Show 17350+6153 HZE 3 AE 359 3.0 153

 
 
WDS 17161+6043 : COMPONENTS
 
 
  A B
B pa=112.7°
sep=9.96"
 
C pa=80.5°
sep=134.19"
pa=78.1°
sep=125.87"
 
 
17161+6043 A
 
 
Coord arcsec 2000 171604.88+604249.7 Mag 6.93 Spectral class F3III (yellow-white) PmRA 4.00
PmDE 38.0 HIP 84465 Tycho2 4198-01479-1 HD 156890
BD BD+60 1742
Tycho2
Tycho2 4198-01479-1 Pflag RAmdeg 259.02037454 DEmdeg 60.71390407
PmRA 4.3 PmDE 37.8 E RAmdeg 4 E DEmdeg 4
E pmRA 2.0 E pmDE 2.0 EpRAm 1991.54 EpDEm 1991.68
Num 7 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.0
Q pmDE 1.2 BTmag 7.313 E BTmag 0.015 VTmag 6.929
E VTmag 0.010 Prox 98 TYC T HIP 84465
CCDM A RAdeg 259.02035361 DEdeg 60.71381722 EpRA 1990 1.60
EpDE 1990 1.73 E RAdeg 4.2 E DEdeg 4.0 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 84465 Proxy H RAhms 17 16 04.88
DEdms +60 42 49.7 Vmag 6.91 VarFlag 1 R Vmag G
RAdeg 259.02 DEdeg 60.7138 AstroRef A Plx 5.33
CCDM 6.04 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 113 Rho 9.812 HD BD BD+60 1742
CD CP Dm number +60 1742 VIred 0.45
SpType F0 R SpType Coord arcsec 2000 171604.88+604249.7
Hipparcos 2
HIP 84465 Sn 15 So 3 Nc 2
RArad 4.5207579814 DErad 1.0596559367 Plx 5.48 PmRA 5.17
PmDE 38.52 E RArad 0.33 E DErad 0.36 E Plx 0.39
E pmRA 0.39 E pmDE 0.4 Hpmag E Hpmag 0.0021
SHp 0.018 VA 2 BV 0.385 E BV 0.015
VI 0.45
CCDM
Ccdm 17161+6043 RComp Comp A Note1
Note2 Discov num DRAs -1.10 DDEs -10.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.8 Sp F0 PmNote *
PmRA 0 PmDE 32 Dm number +60 1742 Cat1 BD
Name2 17410 Cat2 SAO HD 156890 M HD
ADS BDS A10448 M ADS BDS N IDS IDS 17149N6049A
HIC 84465
 
 
17161+6043 B
 
 
Coord arcsec 2000 171606.13+604245.9 Mag 9.97 PmRA 6.00 PmDE 39.0
Delta magnitude 3.04 Coordinate calculated yes
CCDM
Ccdm 17161+6043 RComp Comp B Note1
Note2 Discov num STF2155 DRAs DDEs
R dRAs Year 1830 Theta 114 Rho 9.8
Obs 12 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10448 M ADS BDS N IDS IDS 17149N6049B
HIC 84465
 
 
17161+6043 C
 
 
Coord arcsec 2000 171622.92+604311.8 Mag 9.78 PmRA -2.00 PmDE -3.0
Delta magnitude 2.85 Coordinate calculated yes