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Doubles in session


Current system
17176+1025
HDS 2445
V2369 Oph


Nearby doubles
38' : 17167+1100
BPM 678

41' : 17155+1052
HDS2440

48' : 17148+1000
STF2143

49' : 17148+1051
GRV 948

49' : 17173+0937
UC 3318

49' : 17174+1113
HU 172

55' : 17183+0931
STT 326

75' : 17138+1114
A 2785

77' : 17125+1035
B 2826

87' : 17119+1044
TDS 856

89' : 17122+0946
HU 170

90' : 17116+1008
DAM 974

97' : 17199+1155
UC 227

99' : 17233+0936
HEI 797

101' : 17173+0845
KPP4031

101' : 17218+0905
WIS 317

118' : 17096+1013
CVR 857

121' : 17217+1209
GWP2704

122' : 17159+0826
LDS4732

132' : 17219+0830
KPP3315

133' : 17245+0901
BRT3223

137' : 17086+0951
HU 167

138' : 17150+1238
HDS2439

140' : 17140+1234
TDT 275

141' : 17219+1230
HDS2451

147' : 17092+0907
DAM 910



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.

17176+1025 HDS 2445 (V2369 Oph)

 
 
17h 17m 34.67s +10° 24' 59.3" P.A. 242.00 sep 0.1 mag 8.86,10.25 Sp G5 dist. 69.49 pc (226.68 l.y.)
 
 
Coord 2000 17176+1025 Discov num HDS2445 Comp Coord arcsec 2000 17 17 34.67 +10 24 59.3
Date first 1991 Date last 2021 Obs 15
Pa first 86 Pa last 241.6 P.A. Now (θ) 212.8°
Sep first 0.3 Sep last 0.082 Sep. Now (ρ) 0.047"
Mag pri 8.86 Mag sec 10.25 delta mag (ΔM) 1.39 Spectral class G5 (yellow)
Pri motion ra +025 Sec motion ra
Pri motion dec -041 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V2369 Oph Constellation Ophiuchus SAO 102718 HIP 84595
Tycho2 0982-02178-1 Gaia DR2 4539777137632191744 HD 156498 BD BD+10 3177
Distance 69.49 Distance ly 226.68
 
 
ORBITAL ELEMENTS
 
 
Period (P)45.8y± 3.44 Periastron (T)2009.14y± 2.7 Semi-major axis (a)0.2781a± 0.0063
Eccentricity (e)0.149± 0.07 Inclination (i)97.2°± 0.5 Longitude of periastron (ω)140.4°± 23.7
Node (Ω)84.7°± 0.9 Notesn ReferenceTok2017b
Equinox2000 Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 75.7 0.171
2001 72.5 0.136
2002 66.9 0.099
2003 54.7 0.062
2004 15.8 0.034
2005 310.1 0.043
2006 286.8 0.077
2007 278.2 0.114
2008 273.8 0.149
2009 270.9 0.179
2010 268.9 0.205
2011 267.3 0.225
2012 265.9 0.238
2013 264.6 0.244
2014 263.3 0.244
2015 262.0 0.237
2016 260.6 0.225
2017 259.0 0.208
2018 257.1 0.186
2019 254.5 0.160
2020 251.0 0.132
2021 245.5 0.102
2022 235.3 0.073
2023 212.8 0.047
2024 165.8 0.038
2025 127.7 0.056
2026 111.3 0.084
2027 103.5 0.114
2028 98.9 0.144
2029 95.9 0.173
2030 93.7 0.200


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


 
  


wds17176%2B1025e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17176+1025 HDS 2445 (V2369 Oph) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2017b orb j Tokovinin, A. 2017AJ....154..110T
Tok2017b AJ 154, 110, 2017
 
 
DISCOVERER
 
 
idgroup discov author
1 HDS Hipparcos Double Star (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17176+1025 HDS2445 1991 1 86 0.3 8.86 10.25 G5 D 171734.67+102459.3
17176+1025 HDS2445 2008 3 272 0.2 8.86 10.25 G5 D 171734.67+102459.3
17176+1025 HDS2445 2010 4 268 0.2 8.86 10.25 G5 D 171734.67+102459.3
17176+1025 HDS2445 2017 9 258 0.2 8.86 10.25 G5 O 171734.67+102459.3
17176+1025 HDS2445 2018 10 256 0.2 8.86 10.25 G5 O 171734.67+102459.3
17176+1025 HDS2445 2021 14 242 0.1 8.86 10.25 G5 O 171734.67+102459.3

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

 
 
WDS 17176+1025 HDS 2445 (V2369 Oph) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17176+1025 HDS 2445 (V2369 Oph) : MEASURES
 
 
No records found.

 
 
WDS 17176+1025 (V2369 Oph) : VIRTUAL EYEPIECE
 
 

17176+1025 HDS2445A mag 8.86 Sp G5 17176+1025 HDS2445B mag 10.25 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 17176+1025 (V2369 Oph) : ALADIN DSS IMAGE @ 17h 17m 34.67s +10° 24' 59.3"
 
 
 
 
WDS 17176+1025 HDS 2445 (V2369 Oph) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17176+1025 HDS2445 distance=0' 17167+1100 BPM 678 distance=38' 17155+1052 HDS2440 distance=41' 17148+1000 STF2143 distance=48' 17148+1051 GRV 948 distance=49' 17173+0937 UC 3318 distance=49' 17174+1113 HU 172 distance=49' 17183+0931 STT 326 distance=55' 17138+1114 A 2785 distance=75' 17125+1035 B 2826 distance=77' 17119+1044 TDS 856 distance=87' 17122+0946 HU 170 distance=89' 17116+1008 DAM 974 distance=90' 17199+1155 UC 227 distance=97' 17233+0936 HEI 797 distance=99' 17173+0845 KPP4031 distance=101' 17218+0905 WIS 317 distance=101' 17096+1013 CVR 857 distance=118' 17217+1209 GWP2704 distance=121' 17159+0826 LDS4732 distance=122' 17219+0830 KPP3315 distance=132' 17245+0901 BRT3223 distance=133' 17086+0951 HU 167 distance=137' 17150+1238 HDS2439 distance=138' 17140+1234 TDT 275 distance=140' 17219+1230 HDS2451 distance=141' 17092+0907 DAM 910 distance=147' 17263+1137 KPP1265 distance=148' 17230+1231 GWP2706 distance=150' 17088+0911 RAO 510 distance=150' 17134+1249 DAM 990BC distance=157' 17134+1249 DAM 990AB distance=158' 17164+1303 LDS 990 distance=162' 17279+1123 STF2166 distance=163' 17287+1029 STF2170AB distance=165' 17287+1029 GUI 18AC distance=165' 17278+1137 BRT1285 distance=166' 17099+1229 GWP2692 distance=168' 17113+1246 JNN 152 distance=169' 17178+0733 J 450 distance=173' 17174+1319 HDS2444 distance=174' 17130+0745 STT 325 distance=174' 17294+1032 UC 3352 distance=174' 17286+1132 BPM 682 distance=176' 17055+1033 BU 357 distance=178' 17171+0726 A 1148 distance=180' 17098+0804 OSO 77AB distance=182' 17098+0804 OSO 77AC distance=182' 17098+0804 OSO 77AD distance=182' 17098+0804 OSO 77AE distance=182' 17098+0804 OSO 77AF distance=182' 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 17176+1025 HDS2445 242 0.1
Show 17167+1100 BPM 678 201 111.2 38
Show 17155+1052 HDS2440 82 0.2 41
Show 17148+1000 STF2143 120 28.5 48
Show 17148+1051 GRV 948 66 34.0 49
Show 17173+0937 UC 3318 245 29.0 49
Show 17174+1113 HU 172 345 1.2 49
Show 17183+0931 STT 326 223 18.6 55
Show 17138+1114 A 2785 51 4.1 75
Show 17125+1035 B 2826 31 31.6 77
Show 17119+1044 TDS 856 349 2.0 87
Show 17122+0946 HU 170 269 1.8 89
Show 17116+1008 DAM 974 77 5.7 90
Show 17199+1155 UC 227 107 18.8 97
Show 17233+0936 HEI 797 335 1.3 99
Show 17173+0845 KPP4031 181 1.7 101
Show 17218+0905 WIS 317 352 492.4 101
Show 17096+1013 CVR 857 4 21.6 118
Show 17217+1209 GWP2704 134 25.4 121
Show 17159+0826 LDS4732 278 19.7 122
Show 17219+0830 KPP3315 141 8.9 132
Show 17245+0901 BRT3223 272 4.6 133
Show 17086+0951 HU 167 93 0.8 137
Show 17150+1238 HDS2439 169 0.5 138
Show 17140+1234 TDT 275 167 2.2 140
Show 17219+1230 HDS2451 81 0.4 141
Show 17092+0907 DAM 910 73 4.2 147
Show 17263+1137 KPP1265 324 9.7 148
Show 17230+1231 GWP2706 68 19.6 150
Show 17088+0911 RAO 510 -1 0.2 150
Show 17134+1249 DAM 990 BC 32 1.7 157
Show 17134+1249 DAM 990 AB 136 25.6 158
Show 17164+1303 LDS 990 359 4.4 162
Show 17279+1123 STF2166 282 27.0 163
Show 17287+1029 STF2170 AB 58 3.3 165
Show 17287+1029 GUI 18 AC 19 190.4 165
Show 17278+1137 BRT1285 13 2.8 166
Show 17099+1229 GWP2692 251 5.6 168
Show 17113+1246 JNN 152 162 34.5 169
Show 17178+0733 J 450 60 4.7 173
Show 17174+1319 HDS2444 291 0.2 174
Show 17130+0745 STT 325 306 0.4 174
Show 17294+1032 UC 3352 90 37.4 174
Show 17286+1132 BPM 682 62 21.1 176
Show 17055+1033 BU 357 308 1.5 178
Show 17171+0726 A 1148 347 2.0 180
Show 17098+0804 OSO 77 AB 275 6.4 182
Show 17098+0804 OSO 77 AC 56 9.1 182
Show 17098+0804 OSO 77 AD 353 10.3 182
Show 17098+0804 OSO 77 AE 101 10.8 182
Show 17098+0804 OSO 77 AF 268 15.8 182

 
 
WDS 17176+1025 : COMPONENTS
 
 
  A
B pa=241.2°
sep=0.08"
 
 
17176+1025 A
 
 
Componente originario normalizzato AB Name V2369 Oph Coord arcsec 2000 171734.67+102459.3 Mag 8.86
Spectral class G5 (yellow) PmRA 25.00 PmDE -41.0 SAO 102718
HIP 84595 Tycho2 0982-02178-1 HD 156498 BD BD+10 3177
Tycho2
Tycho2 0982-02178-1 Pflag RAmdeg 259.39453983 DEmdeg 10.41637277
PmRA 22.7 PmDE -38.3 E RAmdeg 8 E DEmdeg 10
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.55 EpDEm 1990.15
Num 13 Q RAmdeg 1.2 Q DEmdeg 0.7 Q pmRA 1.2
Q pmDE 0.7 BTmag 9.358 E BTmag 0.022 VTmag 8.543
E VTmag 0.015 Prox 748 TYC T HIP 84595
CCDM AB RAdeg 259.39448583 DEdeg 10.41646194 EpRA 1990 1.67
EpDE 1990 1.60 E RAdeg 8.2 E DEdeg 9.5 Posflg P
Corr -0.2
SAO
SAO 102718 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 -0.035 Vmag 8.5 SpType G5
Double code Source 29 CatNum 6052 DM BD+10 3177
DMcomp BDsup HD 156498 M HD 0
GC RA1950rad 4.51697695 DE1950rad 0.18272796 PmRA2000 0.0012
PmDE2000 -0.034
Hipparcos
Catalog H HIP 84595 Proxy H RAhms 17 17 34.67
DEdms +10 24 59.3 Vmag 8.45 VarFlag 2 R Vmag H
RAdeg 259.394 DEdeg 10.4165 AstroRef A Plx 12.03
CCDM 17176+1025 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 86 Rho 0.308 HD 156498 BD BD+10 3177
CD CP Dm number +10 3177 VIred 0.77
SpType G5 R SpType Coord arcsec 2000 171734.67+102459.3
Hipparcos 2
HIP 84595 Sn 15 So 3 Nc 2
RArad 4.5272875605 DErad 0.1818015693 Plx 14.39 PmRA 25.36
PmDE -40.42 E RArad 1 E DErad 0.73 E Plx 1.08
E pmRA 1.04 E pmDE 0.84 Hpmag 8.5927 E Hpmag 0.0036
SHp 0.034 VA 2 BV 0.729 E BV 0.02
VI 0.78
CCDM
Ccdm 17176+1025 RComp Comp A Note1
Note2 Discov num DRAs -1.31 DDEs -1.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.9 Sp G5 PmNote *
PmRA 25 PmDE -41 Dm number +10 3177 Cat1 BD
Name2 +10 2032 Cat2 AGK2/3 HD 156498 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 84595
 
 
17176+1025 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 171734.67+102459.3 Mag 10.25 Calc delta mag 1.39
Calc coord yes
CCDM
Ccdm 17176+1025 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.29 DDEs -1.1
R dRAs 82 Year 1991 Theta 86 Rho 0.3
Obs 1 Vmag 10.3 Sp PmNote *
PmRA 25 PmDE -41 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 84595