17102+5430 STF 2138 AB (HD 155674)

 
 
17h 10m 10.51s +54° 29' 39.8" P.A. 133.00 sep 22.1 mag 8.99,9.36 Sp K6V+K6V dist. 19.86 pc (64.78 l.y.)
 
 
Coord 2000 17102+5430 Discov num STF2138 Comp AB Coord arcsec 2000 17 10 10.51 +54 29 39.8
Date first 1830 Date last 2019 Obs 67
Pa first 139 Pa last 132.8 P.A. Now (θ) 132.8°
Sep first 22.3 Sep last 22.148 Sep. Now (ρ) 22.148"
Mag pri 8.99 Mag sec 9.36 delta mag (ΔM) 0.37 Spectral class K6V+K6V (yellow-orange/yellow-orange)
Pri motion ra +082 Sec motion ra +086
Pri motion dec -111 Sec motion dec -103
Notes N O T (See Notes, Orbital solution, Parallax indicates physical)
rPM=0.065 (< 0.3, Physical double)
This double is physical.
 
 
17102+5430 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 155674 30274 17 10 11 +54 29 40 STF 2138 AB 2019 67 133 22.1 8.99 9.36 0.37 Y <===
Show 30274 17 10 11 +54 29 40 SHY 89 AC 1999 3 10 999.9 8.99 8.67 0.32
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 155674 Constellation Draco SAO 30274 HIP 83988
Tycho2 3891-01304-1 Gaia DR2 1420000579871414528 HD 155674 ADS 10386
GL Gl 659A BD BD+54 1861 Distance 19.86 Distance ly 64.78
 
 
ORBITAL ELEMENTS
 
 
Period (P)4478y± 660 Periastron (T)4179y± 333 Semi-major axis (a)15.247a± 1.505
Eccentricity (e)0.47± 0.13 Inclination (i)131°± 7 Longitude of periastron (ω)10°± 16
Node (Ω)321°± 6 Notesn ReferencePko2021a
Equinox Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 133.1 22.125
2001 133.1 22.123
2002 133.0 22.121
2003 133.0 22.119
2004 133.0 22.118
2005 133.0 22.116
2006 132.9 22.114
2007 132.9 22.112
2008 132.9 22.110
2009 132.9 22.108
2010 132.9 22.106
2011 132.8 22.104
2012 132.8 22.102
2013 132.8 22.100
2014 132.8 22.098
2015 132.7 22.096
2016 132.7 22.094
2017 132.7 22.092
2018 132.7 22.089
2019 132.7 22.087
2020 132.6 22.085
2021 132.6 22.083
2022 132.6 22.081
2023 132.6 22.079
2024 132.5 22.077
2025 132.5 22.075
2026 132.5 22.072
2027 132.5 22.070
2028 132.5 22.068
2029 132.4 22.066
2030 132.4 22.064


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds17102%2B5430g.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 17102+5430 STF 2138 AB (HD 155674) : NOTES
 
 
discov_num notes refcode
STF2138 B is BD+54@1862.
HJL 245. HJL1986
SHY 89 AC: HIP 83988 + HIP 86141.
SHY 89 BC: HIP 83996 + HIP 86141.
 
 
REFERENCES
 
 
refcode metd author reference
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
PkO2021a C+ Romanenko, L.G. & Izmailov, I.S. 2021ARep...65..209R
PkO2021a +orb Astron. Reports 65, 209, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 SHY Shaya, E.J. & Olling, R.
3 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17102+5430 STF2138 AB 2006 40 133 22.2 8.99 9.36 K0 NZDV 171010.51+542939.8
17102+5430 STF2138 AB 2012 42 134 22.2 8.99 9.36 K0 NZDV 171010.51+542939.8
17102+5430 STF2138 AB 2013 53 133 22.1 8.99 9.36 K0 NO V 171010.51+542939.8
17102+5430 STF2138 AB 2015 54 133 22.1 8.99 9.36 K0 NO V 171010.51+542939.8
17102+5430 STF2138 AB 2018 55 133 22.2 8.99 9.36 K0 NO V 171010.51+542939.8
17102+5430 STF2138 AB 2019 65 133 22.1 8.99 9.36 K0 NO T 171010.51+542939.8

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

 
 
WDS 17102+5430 STF 2138 AB (HD 155674) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17102+5430 STF 2138 AB (HD 155674) : MEASURES
 
 
No records found.

 
 
WDS 17102+5430 (HD 155674) : VIRTUAL EYEPIECE
 
 

17102+5430 STF2138A mag 8.99 Sp K6V 17102+5430 STF2138B sep 17.8 P.A. 147.90 mag 9.36 Sp K6V 17102+5430 SHY  89C sep 9904.2 P.A. 5.60 mag 8.67 Sp K4V virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 17102+5430 (HD 155674) : ALADIN DSS IMAGE @ 17h 10m 10.51s +54° 29' 39.8"
 
 
 
 
WDS 17102+5430 STF 2138 AB (HD 155674) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


17102+5430  STF2138AB distance=1' 17102+5430  SHY  89AC distance=1' 17118+5432  DEA  87 distance=15' 17103+5403  HDS2424Aa,Ab distance=27' 17103+5403  SCA9002AB distance=27' 17131+5408  STF2146CD distance=34' 17131+5408  STF2146AB distance=34' 17131+5408  STF2146AC distance=34' 17053+5428  BU 1088BC distance=43' 17053+5428  STF2130AB (Alrakis) distance=43' 17053+5428  BU 1088AC (Alrakis) distance=43' 17054+5438  TDT 206 distance=43' 17165+5433  SCA9003AB distance=55' 17165+5433  SCA9003AC distance=55' 17165+5433  DAM  27AD distance=55' 17185+5346  ES  776AB distance=86' 17170+5337  GRV1133 distance=86' 17185+5346  ES  776BC distance=86' 17183+5338  SWI   3 distance=88' 17071+5556  CRB 199 distance=91' 17039+5314  MLR 603Aa,Ab distance=94' 17039+5314  STTA151AB distance=94' 17039+5314  STTA151BC distance=95' 16594+5407  LDS4716 distance=97' 16589+5444  HDS2402 distance=99' 17141+5608  STT 327 distance=104' 17138+5246  TDT 272 distance=109' 17047+5250  TDT 202 distance=111' 17220+5351  BU 1249AB distance=112' 17220+5351  BU 1249AB,C distance=112' 17215+5532  ES 2656 distance=117' 17210+5537  GRV1134 distance=118' 17170+5612  SLE  81 distance=119' 17185+5608  ES 1740 distance=122' 17141+5627  TDT 276 distance=123' 16554+5424  LDS4707 distance=129' 17111+5640  MET  80 distance=131' 16549+5420  SKF  52 distance=134' 17173+5636  STI2349 distance=140' 17178+5227  LEP  81 distance=141' 17174+5638  SLE  82 distance=143' 16565+5558  LDS4710 distance=146' 17240+5547  GRV1136 distance=149' 17277+5424  UC 3345 distance=153' 17251+5312  MLR 604 distance=154' 17211+5637  LDS1444 distance=157' 17235+5623  LDS4741 distance=160' 17220+5638  ES 2657AB distance=163' 17220+5638  ABH  90AD distance=163' 17220+5638  ES 2657AC distance=163' 17220+5638  ES 2657BC distance=164' 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 17102+5430 STF2138 AB 133 22.1 1
Show 17102+5430 SHY 89 AC 10 999.9 1
Show 17118+5432 DEA 87 129 90.2 15
Show 17103+5403 HDS2424 Aa,Ab 158 0.5 27
Show 17103+5403 SCA9002 AB 84 79.5 27
Show 17131+5408 STF2146 CD 225 2.8 34
Show 17131+5408 STF2146 AB 224 2.6 34
Show 17131+5408 STF2146 AC 234 89.3 34
Show 17053+5428 BU 1088 BC 179 11.0 43
Show Alrakis 17053+5428 STF2130 AB 358 2.5 43
Show Alrakis 17053+5428 BU 1088 AC 174 12.2 43
Show 17054+5438 TDT 206 355 0.7 43
Show 17165+5433 SCA9003 AB 97 44.1 55
Show 17165+5433 SCA9003 AC 332 80.7 55
Show 17165+5433 DAM 27 AD 3 40.9 55
Show 17185+5346 ES 776 AB 153 28.5 86
Show 17170+5337 GRV1133 328 12.9 86
Show 17185+5346 ES 776 BC 313 2.2 86
Show 17183+5338 SWI 3 180 0.5 88
Show 17071+5556 CRB 199 111 7.5 91
Show 17039+5314 MLR 603 Aa,Ab 347 0.4 94
Show 17039+5314 STTA151 AB 171 88.4 94
Show 17039+5314 STTA151 BC 356 22.4 95
Show 16594+5407 LDS4716 297 12.3 97
Show 16589+5444 HDS2402 309 0.3 99
Show 17141+5608 STT 327 334 0.4 104
Show 17138+5246 TDT 272 81 0.7 109
Show 17047+5250 TDT 202 206 2.4 111
Show 17220+5351 BU 1249 AB 82 0.6 112
Show 17220+5351 BU 1249 AB,C 78 62.1 112
Show 17215+5532 ES 2656 64 11.1 117
Show 17210+5537 GRV1134 319 20.8 118
Show 17170+5612 SLE 81 16 17.5 119
Show 17185+5608 ES 1740 315 1.6 122
Show 17141+5627 TDT 276 71 0.5 123
Show 16554+5424 LDS4707 165 10.5 129
Show 17111+5640 MET 80 0.1 131
Show 16549+5420 SKF 52 116 5.3 134
Show 17173+5636 STI2349 60 10.0 140
Show 17178+5227 LEP 81 216 182.9 141
Show 17174+5638 SLE 82 331 42.4 143
Show 16565+5558 LDS4710 192 15.3 146
Show 17240+5547 GRV1136 148 8.5 149
Show 17277+5424 UC 3345 199 26.1 153
Show 17251+5312 MLR 604 96 0.8 154
Show 17211+5637 LDS1444 118 9.4 157
Show 17235+5623 LDS4741 209 86.8 160
Show 17220+5638 ES 2657 AB 97 28.4 163
Show 17220+5638 ABH 90 AD 114 83.7 163
Show 17220+5638 ES 2657 AC 90 39.2 163
Show 17220+5638 ES 2657 BC 73 11.7 164

 
 
WDS 17102+5430 : COMPONENTS
 
 
  A B
B pa=147.9°
sep=17.76"
 
C pa=5.6°
sep=9904.21"
pa=5.5°
sep=9918.34"
 
 
17102+5430 A
 
 
Name HD 155674 Coord arcsec 2000 171010.51+542939.8 Mag 8.99 Spectral class K6V (yellow-orange)
PmRA 82.00 PmDE -111.0 SAO 30274 HIP 83988
Tycho2 3891-01304-1 HD 155674 BD BD+54 1861
Tycho2
Tycho2 3891-01304-1 Pflag RAmdeg 257.54377683 DEmdeg 54.49438311
PmRA 82.5 PmDE -111.6 E RAmdeg 12 E DEmdeg 12
E pmRA 1.4 E pmDE 1.5 EpRAm 1989.87 EpDEm 1990.48
Num 9 Q RAmdeg 1.8 Q DEmdeg 1.0 Q pmRA 1.6
Q pmDE 1.1 BTmag 10.412 E BTmag 0.036 VTmag 8.988
E VTmag 0.017 Prox 223 TYC T HIP 83988
CCDM A RAdeg 257.54344250 DEdeg 54.49463917 EpRA 1990 1.66
EpDE 1990 1.73 E RAdeg 12.8 E DEdeg 12.2 Posflg
Corr 0.0
SAO
SAO 30274 DelFlag RA1950 PmRA1950 0.0101
DE1950 PmDE1950 -0.116 Vmag 8.6 SpType K0
Double code Source 37 CatNum 5182 DM BD+54 1861
DMcomp BDsup HD 155674 M HD 0
GC RA1950rad 4.49042307 DE1950rad 0.95219189 PmRA2000 0.011
PmDE2000 -0.113
Hipparcos
Catalog H HIP 83988 Proxy RAhms 17 10 10.43
DEdms +54 29 40.7 Vmag 8.85 VarFlag R Vmag G
RAdeg 257.543 DEdeg 54.4946 AstroRef A Plx 47.14
CCDM 17102+5430 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 155674 BD BD+54 1861
CD CP Dm number +54 1861 VIred 1.25
SpType K0 R SpType Coord arcsec 2000 171010.43+542940.7
Hipparcos 2
HIP 83988 Sn 95 So 3 Nc 1
RArad 4.4949809157 DErad 0.9511109673 Plx 50.35 PmRA 80.22
PmDE -114.37 E RArad 1.76 E DErad 1.93 E Plx 1.93
E pmRA 2.13 E pmDE 2.62 Hpmag 9.0676 E Hpmag 0.0418
SHp 0.076 VA 0 BV 1.152 E BV 0.016
VI 1.25
CCDM
Ccdm 17102+5430 RComp Comp A Note1
Note2 Discov num DRAs -1.55 DDEs -20.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp K0 PmNote *
PmRA 70 PmDE -117 Dm number +54 1861 Cat1 BD
Name2 +54 1084 Cat2 AGK2/3 HD 155674 M HD
ADS BDS A10386 M ADS BDS N IDS IDS 17081N5437A
HIC 83988
 
 
17102+5430 B
 
 
Coord arcsec 2000 171011.59+542924.8 Mag 9.36 Spectral class K6V (yellow-orange) PmRA 86.00
PmDE -103.0 HIP 83996 Tycho2 3891-01294-1 BD BD+54 1862
Calc delta mag 0.37 Calc coord yes
Tycho2
Tycho2 3891-01294-1 Pflag RAmdeg 257.55149629 DEmdeg 54.49013472
PmRA 86.9 PmDE -106.1 E RAmdeg 16 E DEmdeg 16
E pmRA 1.4 E pmDE 1.5 EpRAm 1988.68 EpDEm 1988.91
Num 9 Q RAmdeg 2.4 Q DEmdeg 1.2 Q pmRA 2.4
Q pmDE 1.2 BTmag 10.939 E BTmag 0.052 VTmag 9.360
E VTmag 0.022 Prox 223 TYC T HIP 83996
CCDM B RAdeg 257.55115972 DEdeg 54.49038056 EpRA 1990 1.67
EpDE 1990 1.70 E RAdeg 18.1 E DEdeg 17.6 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 83996 Proxy RAhms 17 10 12.27
DEdms +54 29 25.4 Vmag 9.34 VarFlag R Vmag G
RAdeg 257.551 DEdeg 54.4904 AstroRef B Plx 47.86
CCDM 17102+5430 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD BD+54 1862
CD CP Dm number +54 1862 VIred 1.42
SpType K8 R SpType Coord arcsec 2000 171012.27+542925.4
Hipparcos 2
HIP 83996 Sn 95 So 3 Nc 1
RArad 4.49511491 DErad 0.9510367432 Plx 49.46 PmRA 73.76
PmDE -100.01 E RArad 3.61 E DErad 3.89 E Plx 4.03
E pmRA 4.06 E pmDE 5.37 Hpmag 9.4661 E Hpmag 0.0542
SHp 0 VA 0 BV 1.257 E BV 0.004
VI 1.42
CCDM
Ccdm 17102+5430 RComp Comp B Note1
Note2 Discov num STF2138 DRAs 0.40 DDEs -34.9
R dRAs 10 Year 1949 Theta 135 Rho 22.3
Obs 10 Vmag 9.3 Sp PmNote *
PmRA 89 PmDE -101 Dm number +54 1862 Cat1 BD
Name2 +54 1085 Cat2 AGK2/3 HD M HD
ADS BDS A10386 M ADS BDS N IDS IDS 17081N5437B
HIC 83996
 
 
17102+5430 C
 
 
Coord arcsec 2000 171201.69+571359.8 Mag 8.67 Spectral class K4V (yellow-orange) PmRA 91.00
PmDE -37.0 Calc delta mag 0.32 Calc coord yes