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Current system
17071+3106
STF 2127
HD 154917


Nearby doubles
13' : 17064+3114
TDT 214

14' : 17080+3112
STT 324

21' : 17055+3102
LEP 80

22' : 17065+3126
CVR 856

28' : 17076+3038
GRV1226

32' : 17091+3124
DAM 905AB

33' : 17075+3137
UC 3292

37' : 17097+3119
DAM 921

41' : 17077+3026
DAM 877

42' : 17041+3048
UC 3282

43' : 17094+3137
DAM 914

46' : 17104+3051
TDT 246

48' : 17106+3055
TDT 248

52' : 17094+3148
SLW1205

56' : 17111+3124
DAM 959

56' : 17097+3021
STF2131AB

61' : 17090+3010
DAM 900AB

62' : 17115+3043
DAM 970

62' : 17079+3206
SOZ 17

66' : 17042+3159
CVR1690

69' : 17109+3017
DAM 951AB

70' : 17066+3215
SLE 77

78' : 17039+3212
DAE 6

81' : 17108+3211
TOB 137

81' : 17120+3158
LOS 2AB

85' : 17084+3229
TDT 227



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.

17071+3106 STF 2127 (HD 154917)

 
 
17h 07m 04.42s +31° 05' 35.1" P.A. 281.00 sep 15.1 mag 8.70,12.30 Sp A3 dist. 3846.15 pc (12546.14 l.y.)
 
 
Coord 2000 17071+3106 Discov num STF2127 Comp Coord arcsec 2000 17 07 04.42 +31 05 35.1
Date first 1902 Date last 2015 Obs 26
Pa first 274 Pa last 280.5 P.A. Now (θ) 280.5°
Sep first 16.3 Sep last 15.137 Sep. Now (ρ) 15.137"
Mag pri 8.70 Mag sec 12.30 delta mag (ΔM) 3.6 Spectral class A3 (white)
Pri motion ra -006 Sec motion ra -007
Pri motion dec -034 Sec motion dec -035
Notes
rPM=0.04 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 154917 Constellation Hercules SAO 65797 HIP 83754
Tycho2 2591-00779-1 Gaia DR2 1310141776071058688 HD 154917 GC 23112
BD BD+31 2965 Distance 3846.15 Distance ly 12546.14
 
 
WDS 17071+3106 STF 2127 (HD 154917) : 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
17071+3106 STF2127 2006 9 281 15.3 8.70 12.30 A3 D 170704.42+310535.1
17071+3106 STF2127 2007 10 280 15.5 8.70 12.30 A3 D 170704.42+310535.1
17071+3106 STF2127 2008 12 281 15.9 8.70 12.30 A3 D 170704.42+310535.1
17071+3106 STF2127 2010 14 281 15.1 8.70 12.30 A3 170704.42+310535.1
17071+3106 STF2127 2011 16 276 14.8 8.70 12.30 A3 170704.42+310535.1
17071+3106 STF2127 2015 17 281 15.1 8.70 12.30 A3 170704.42+310535.1

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

 
 
WDS 17071+3106 STF 2127 (HD 154917) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17071+3106 STF 2127 (HD 154917) : MEASURES
 
 
No records found.

 
 
WDS 17071+3106 (HD 154917) : VIRTUAL EYEPIECE
 
 

17071+3106 STF2127A mag 8.7 Sp A3 17071+3106 STF2127B sep 13.0 P.A. 282.20 mag 12.3 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 17071+3106 (HD 154917) : ALADIN DSS IMAGE @ 17h 07m 04.42s +31° 05' 35.1"
 
 
 
 
WDS 17071+3106 STF 2127 (HD 154917) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17071+3106 STF2127 distance=0' 17064+3114 TDT 214 distance=13' 17080+3112 STT 324 distance=14' 17055+3102 LEP 80 distance=21' 17065+3126 CVR 856 distance=22' 17076+3038 GRV1226 distance=28' 17091+3124 DAM 905AB distance=32' 17091+3124 DAM 905AC distance=32' 17075+3137 UC 3292 distance=33' 17097+3119 DAM 921 distance=37' 17077+3026 DAM 877 distance=41' 17041+3048 UC 3282 distance=42' 17094+3137 DAM 914 distance=43' 17104+3051 TDT 246 distance=46' 17106+3055 TDT 248 distance=48' 17094+3148 SLW1205 distance=52' 17111+3124 DAM 959 distance=56' 17097+3021 STF2131AB distance=56' 17097+3021 ARN 46AC distance=56' 17090+3010 DAM 900CD distance=61' 17090+3010 DAM 900AB distance=61' 17090+3010 DAM 900AC distance=61' 17115+3043 DAM 970 distance=62' 17079+3206 SOZ 17 distance=62' 17042+3159 CVR1690 distance=66' 17109+3017 DAM 951AB distance=69' 17109+3017 DAM 951AC distance=69' 17066+3215 SLE 77 distance=70' 17039+3212 DAE 6 distance=78' 17108+3211 TOB 137 distance=81' 17120+3158 LOS 2AB distance=81' 17120+3158 GYL 5AC distance=81' 17084+3229 TDT 227 distance=85' 17004+3058 HLM 8 distance=87' 17003+3056 ISO 3 distance=88' 17011+3016 FAR 19 distance=92' 17079+2931 DAM 881AB distance=96' 17079+2931 DAM 881AC distance=96' 17137+3020 TDT 269 distance=98' 17071+2923 COU 624 distance=102' 17033+3236 HO 66 distance=103' 17116+2941 NSN 687 distance=103' 17109+2934 SLW1206 distance=104' 17155+3053 NI 36 distance=109' 17014+3227 DAM 265 distance=110' 16591+3146 KPP 384 distance=110' 17084+2916 DAM 889 distance=111' 16583+3107 COU 989 distance=114' 16583+3117 GRV 944 distance=114' 17109+3249 DAM 950 distance=115' 17127+3235 WIS 313 distance=115' 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 17071+3106 STF2127 281 15.1
Show 17064+3114 TDT 214 354 0.7 13
Show 17080+3112 STT 324 222 3.6 14
Show 17055+3102 LEP 80 269 23.6 21
Show 17065+3126 CVR 856 172 18.7 22
Show 17076+3038 GRV1226 267 22.1 28
Show 17091+3124 DAM 905 AB 331 1.1 32
Show 17091+3124 DAM 905 AC 174 3.3 32
Show 17075+3137 UC 3292 37 18.7 33
Show 17097+3119 DAM 921 26 7.3 37
Show 17077+3026 DAM 877 138 2.7 41
Show 17041+3048 UC 3282 330 8.4 42
Show 17094+3137 DAM 914 287 6.0 43
Show 17104+3051 TDT 246 277 0.5 46
Show 17106+3055 TDT 248 257 1.9 48
Show 17094+3148 SLW1205 257 147.6 52
Show 17111+3124 DAM 959 199 1.9 56
Show 17097+3021 STF2131 AB 178 24.3 56
Show 17097+3021 ARN 46 AC 335 140.4 56
Show 17090+3010 DAM 900 CD 150 1.0 61
Show 17090+3010 DAM 900 AB 270 5.8 61
Show 17090+3010 DAM 900 AC 255 20.6 61
Show 17115+3043 DAM 970 298 3.8 62
Show 17079+3206 SOZ 17 197 6.5 62
Show 17042+3159 CVR1690 238 3.5 66
Show 17109+3017 DAM 951 AB 198 3.7 69
Show 17109+3017 DAM 951 AC 102 10.5 69
Show 17066+3215 SLE 77 268 19.7 70
Show 17039+3212 DAE 6 155 1.4 78
Show 17108+3211 TOB 137 262 40.9 81
Show 17120+3158 LOS 2 AB 44 11.6 81
Show 17120+3158 GYL 5 AC 321 16.9 81
Show 17084+3229 TDT 227 230 2.3 85
Show 17004+3058 HLM 8 347 19.8 87
Show 17003+3056 ISO 3 90 1.0 88
Show 17011+3016 FAR 19 330 149.0 92
Show 17079+2931 DAM 881 AB 26 2.8 96
Show 17079+2931 DAM 881 AC 306 5.1 96
Show 17137+3020 TDT 269 12 0.6 98
Show 17071+2923 COU 624 274 3.5 102
Show 17033+3236 HO 66 251 14.2 103
Show 17116+2941 NSN 687 117 11.9 103
Show 17109+2934 SLW1206 303 81.6 104
Show 17155+3053 NI 36 347 14.9 109
Show 17014+3227 DAM 265 215 8.1 110
Show 16591+3146 KPP 384 306 3.6 110
Show 17084+2916 DAM 889 264 2.2 111
Show 16583+3107 COU 989 195 0.3 114
Show 16583+3117 GRV 944 218 59.7 114
Show 17109+3249 DAM 950 341 2.9 115
Show 17127+3235 WIS 313 273 999.9 115

 
 
WDS 17071+3106 : COMPONENTS
 
 
  A
B pa=282.2°
sep=13.04"
 
 
17071+3106 A
 
 
Componente originario normalizzato AB Name HD 154917 Coord arcsec 2000 170704.42+310535.1 Mag 8.7
Spectral class A3 (white) PmRA -6.00 PmDE -34.0 SAO 65797
HIP 83754 Tycho2 2591-00779-1 HD 154917 GC 23112
BD BD+31 2965
Tycho2
Tycho2 2591-00779-1 Pflag RAmdeg 256.76840810 DEmdeg 31.09309374
PmRA -4.2 PmDE -33.9 E RAmdeg 7 E DEmdeg 6
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.35 EpDEm 1991.54
Num 7 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 0.9 BTmag 8.920 E BTmag 0.017 VTmag 8.701
E VTmag 0.013 Prox 191 TYC T HIP 83754
CCDM A RAdeg 256.76841972 DEdeg 31.09317111 EpRA 1990 1.61
EpDE 1990 1.76 E RAdeg 6.7 E DEdeg 6.0 Posflg
Corr -0.1
SAO
SAO 65797 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 -0.037 Vmag 8.7 SpType A3
Double code Source 70 CatNum 23112 DM BD+31 2965
DMcomp BDsup HD 154917 M HD 0
GC 23112 RA1950rad 4.47312461 DE1950rad 0.54381677 PmRA2000 -0.0008
PmDE2000 -0.036
Hipparcos
Catalog H HIP 83754 Proxy RAhms 17 07 04.42
DEdms +31 05 35.4 Vmag 8.68 VarFlag R Vmag H
RAdeg 256.768 DEdeg 31.0932 AstroRef A Plx 2.71
CCDM 17071+3106 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 272 Rho 19.079 HD 154917 BD BD+31 2965
CD CP Dm number +31 2965 VIred 0.17
SpType A3 R SpType Coord arcsec 2000 170704.42+310535.4
Hipparcos 2
HIP 83754 Sn 15 So 3 Nc 2
RArad 4.4814543128 DErad 0.5426783415 Plx 0.26 PmRA -7.05
PmDE -35.46 E RArad 0.86 E DErad 1.05 E Plx 1.33
E pmRA 1.03 E pmDE 1.41 Hpmag 8.7412 E Hpmag 0.0209
SHp 0.021 VA 0 BV 0.191 E BV 0.016
VI 0.21
CCDM
Ccdm 17071+3106 RComp Comp A Note1
Note2 Discov num DRAs -1.64 DDEs -25.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.8 Sp A3 PmNote *
PmRA -17 PmDE -37 Dm number +31 2965 Cat1 BD
Name2 +31 1484 Cat2 AGK2/3 HD 154917 M HD
ADS BDS B 7876 M ADS BDS N IDS IDS 17033N3112A
HIC 83754
 
 
17071+3106 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 170703.43+310537.9 Mag 12.3 PmRA -7.00
PmDE -35.0 Calc delta mag 3.6 Calc coord yes
CCDM
Ccdm 17071+3106 RComp Comp B Note1
Note2 Discov num STF2127 DRAs DDEs
R dRAs Year 1904 Theta 274 Rho 16.4
Obs 3 Vmag 11.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 7876 M ADS BDS N N IDS IDS 17033N3112B
HIC