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Current system
17561+2130
STT 339
HD 163609


Nearby doubles
17' : 17551+2137
KPP4067

29' : 17556+2102
TDT 577

45' : 17571+2047
RAO 382

45' : 17588+2155
HJ 2816

52' : 17534+2056
HO 562

54' : 17597+2110
TDT 618

61' : 17597+2204
FAL 59

63' : 18004+2112
A 1375

63' : 18003+2154
A 1374AB

64' : 18001+2201
BRT2440

64' : 17544+2030
BRT2837

71' : 17584+2233
TDS 893

72' : 18001+2215
TDT 622

76' : 18015+2136
STF2264

77' : 17547+2016
OSO 88

79' : 17572+2247
UC 3453

81' : 17555+2250
GRV 970

85' : 18019+2156
TDT 646

89' : 17506+2046
GRV 966

90' : 18022+2058
BUP 178AB

92' : 18022+2055
LOC 2

94' : 17595+2009
UC 3465

96' : 17546+2303
TDT 566

96' : 18024+2050
TOK 56

100' : 17589+2303
POU3332

104' : 17572+2312
POU3329



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

17561+2130 STT 339 (HD 163609)

 
 
17h 56m 08.80s +21° 29' 41.9" P.A. 169.00 sep 4.2 mag 8.37,10.76 Sp G5 dist. 47.37 pc (154.52 l.y.)
 
 
Coord 2000 17561+2130 Discov num STT 339 Comp Coord arcsec 2000 17 56 08.80 +21 29 41.9
Date first 1843 Date last 2018 Obs 47
Pa first 183 Pa last 169.4 P.A. Now (θ) 169.4°
Sep first 2.2 Sep last 4.21 Sep. Now (ρ) 4.21"
Mag pri 8.37 Mag sec 10.76 delta mag (ΔM) 2.39 Spectral class G5 (yellow)
Pri motion ra -016 Sec motion ra -017
Pri motion dec +071 Sec motion dec +067
Notes N (See Notes)
rPM=0.057 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 163609 Constellation Hercules SAO 85554 HIP 87800
Tycho2 1565-04314-1 Gaia DR2 4576847000373649920 HD 163609 BD BD+21 3253
Distance 47.37 Distance ly 154.52
 
 
WDS 17561+2130 STT 339 (HD 163609) : NOTES
 
 
discov_num notes refcode
STT 339 CfA: A or B is SB? Tok2014d
 
 
REFERENCES
 
 
refcode metd author reference
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17561+2130 STT 339 2000 28 169 4.1 8.37 10.76 G5 D 175608.80+212941.9
17561+2130 STT 339 2008 30 170 4.1 8.37 10.76 G5 D 175608.80+212941.9
17561+2130 STT 339 2015 33 171 4.1 8.37 10.76 G5 N 175608.80+212941.9
17561+2130 STT 339 2017 40 171 3.8 8.37 10.76 G5 N 175608.80+212941.9
17561+2130 STT 339 2018 44 169 4.2 8.37 10.76 G5 N 175608.80+212941.9

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

 
 
WDS 17561+2130 STT 339 (HD 163609) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17561+2130 STT 339 (HD 163609) : MEASURES
 
 
No records found.

 
 
WDS 17561+2130 (HD 163609) : VIRTUAL EYEPIECE
 
 

17561+2130 STT 339A mag 8.37 Sp G5 17561+2130 STT 339B sep 4.2 P.A. 170.10 mag 10.76 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17561+2130 (HD 163609) : ALADIN DSS IMAGE @ 17h 56m 08.80s +21° 29' 41.9"
 
 
 
 
WDS 17561+2130 STT 339 (HD 163609) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17561+2130 STT 339 distance=0' 17551+2137 KPP4067 distance=17' 17556+2102 TDT 577 distance=29' 17571+2047 RAO 382 distance=45' 17588+2155 HJ 2816 distance=45' 17534+2056 HO 562 distance=52' 17597+2110 TDT 618 distance=54' 17597+2204 FAL 59 distance=61' 18004+2112 A 1375 distance=63' 18003+2154 A 1374AB distance=63' 18003+2154 LBU 6AB,C distance=63' 18003+2154 WSI 106Aa,Ab distance=63' 18001+2201 BRT2440 distance=64' 17544+2030 BRT2837 distance=64' 17584+2233 TDS 893 distance=71' 18001+2215 TDT 622 distance=72' 18015+2136 STF2264 distance=76' 17547+2016 OSO 88 distance=77' 17572+2247 UC 3453 distance=79' 17555+2250 GRV 970 distance=81' 18019+2156 TDT 646 distance=85' 17506+2046 GRV 966 distance=89' 18022+2058 BUP 178AB distance=90' 18022+2058 BUP 178AC distance=90' 18022+2055 LOC 2 distance=92' 17595+2009 UC 3465 distance=94' 17546+2303 TDT 566 distance=96' 18024+2050 TOK 56 distance=96' 17589+2303 POU3332 distance=100' 17572+2312 POU3329 distance=104' 17536+2307 HJ 2813 distance=104' 17496+2226 COU 502 distance=107' 17561+2319 TDT 581 distance=110' 17543+2317 POU3322 distance=110' 17481+2205 DAM 860 distance=117' 17527+1940 BRT2439 distance=121' 17550+2330 POU3324 distance=122' 17565+2331 POU3327 distance=122' 17520+2317 TDT 541 distance=122' 18016+1953 RAO 383 distance=123' 17526+2323 POU3317 distance=124' 18050+2127 STT 534 distance=124' 18024+2302 POU3342 distance=127' 17528+2328 POU3319 distance=128' 17579+1923 KPP 406 distance=130' 17599+2331 POU3338AB distance=132' 17556+2343 POU3325 distance=134' 18058+2127 STT 341AB distance=136' 18058+2127 STT 341AB,E distance=136' 18058+2127 STT 341AB,F distance=136' 18058+2127 STT 341AB,G distance=136' 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 17561+2130 STT 339 169 4.2
Show 17551+2137 KPP4067 301 31.9 17
Show 17556+2102 TDT 577 150 2.3 29
Show 17571+2047 RAO 382 196 1.0 45
Show 17588+2155 HJ 2816 140 9.2 45
Show 17534+2056 HO 562 257 3.6 52
Show 17597+2110 TDT 618 108 1.7 54
Show 17597+2204 FAL 59 332 16.6 61
Show 18004+2112 A 1375 92 1.8 63
Show 18003+2154 A 1374 AB 210 0.5 63
Show 18003+2154 LBU 6 AB,C 298 76.4 63
Show 18003+2154 WSI 106 Aa,Ab 267 0.0 63
Show 18001+2201 BRT2440 263 3.8 64
Show 17544+2030 BRT2837 281 2.8 64
Show 17584+2233 TDS 893 280 0.8 71
Show 18001+2215 TDT 622 280 1.0 72
Show 18015+2136 STF2264 255 6.4 76
Show 17547+2016 OSO 88 34 27.9 77
Show 17572+2247 UC 3453 56 14.2 79
Show 17555+2250 GRV 970 153 44.4 81
Show 18019+2156 TDT 646 193 0.4 85
Show 17506+2046 GRV 966 84 27.8 89
Show 18022+2058 BUP 178 AB 282 146.7 90
Show 18022+2058 BUP 178 AC 155 145.9 90
Show 18022+2055 LOC 2 13 14.4 92
Show 17595+2009 UC 3465 90 51.0 94
Show 17546+2303 TDT 566 78 2.8 96
Show 18024+2050 TOK 56 335 0.1 96
Show 17589+2303 POU3332 163 7.3 100
Show 17572+2312 POU3329 197 2.8 104
Show 17536+2307 HJ 2813 223 21.3 104
Show 17496+2226 COU 502 40 2.0 107
Show 17561+2319 TDT 581 20 0.4 110
Show 17543+2317 POU3322 302 13.2 110
Show 17481+2205 DAM 860 314 6.0 117
Show 17527+1940 BRT2439 181 4.7 121
Show 17550+2330 POU3324 152 12.2 122
Show 17565+2331 POU3327 43 14.2 122
Show 17520+2317 TDT 541 223 0.6 122
Show 18016+1953 RAO 383 223 0.6 123
Show 17526+2323 POU3317 164 13.5 124
Show 18050+2127 STT 534 269 2.3 124
Show 18024+2302 POU3342 194 3.6 127
Show 17528+2328 POU3319 331 16.0 128
Show 17579+1923 KPP 406 52 3.8 130
Show 17599+2331 POU3338 AB 318 9.5 132
Show 17556+2343 POU3325 344 6.6 134
Show 18058+2127 STT 341 AB 89 0.3 136
Show 18058+2127 STT 341 AB,E 38 66.5 136
Show 18058+2127 STT 341 AB,F 357 111.6 136
Show 18058+2127 STT 341 AB,G 239 132.5 136

 
 
WDS 17561+2130 : COMPONENTS
 
 
  A
B pa=170.1°
sep=4.20"
 
 
17561+2130 A
 
 
Componente originario normalizzato AB Name HD 163609 Coord arcsec 2000 175608.80+212941.9 Mag 8.37
Spectral class G5 (yellow) PmRA -16.00 PmDE 71.0 SAO 85554
HIP 87800 Tycho2 1565-04314-1 HD 163609 BD BD+21 3253
Tycho2
Tycho2 1565-04314-1 Pflag RAmdeg 269.03667200 DEmdeg 21.49497750
PmRA -16.3 PmDE 71.4 E RAmdeg 6 E DEmdeg 6
E pmRA 1.0 E pmDE 0.9 EpRAm 1991.09 EpDEm 1991.08
Num 10 Q RAmdeg 1.3 Q DEmdeg 2.5 Q pmRA 1.3
Q pmDE 2.4 BTmag 9.060 E BTmag 0.016 VTmag 8.373
E VTmag 0.012 Prox 40 TYC T HIP 87800
CCDM A RAdeg 269.03671222 DEdeg 21.49481306 EpRA 1990 1.65
EpDE 1990 1.67 E RAdeg 6.3 E DEdeg 6.2 Posflg
Corr 0.1
SAO
SAO 85554 DelFlag RA1950 PmRA1950 -0.0017
DE1950 PmDE1950 0.075 Vmag 8.3 SpType G5
Double code Source 35 CatNum 6203 DM BD+21 3253
DMcomp BDsup HD 163609 M HD 0
GC RA1950rad 4.68631045 DE1950rad 0.375246 PmRA2000 -0.0016
PmDE2000 0.075
Hipparcos
Catalog H HIP 87800 Proxy H RAhms 17 56 08.81
DEdms +21 29 41.3 Vmag 8.21 VarFlag R Vmag G
RAdeg 269.037 DEdeg 21.4948 AstroRef A Plx 20.12
CCDM 17561+2130 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 171 Rho 4.053 HD 163609 BD BD+21 3253
CD CP Dm number +21 3253 VIred 0.71
SpType G5 R SpType Coord arcsec 2000 175608.81+212941.3
Hipparcos 2
HIP 87800 Sn 15 So 3 Nc 2
RArad 4.6955764179 DErad 0.3751551567 Plx 21.11 PmRA -17.93
PmDE 67.18 E RArad 0.69 E DErad 0.73 E Plx 1.15
E pmRA 1.02 E pmDE 0.9 Hpmag 8.3187 E Hpmag 0.0013
SHp 0.014 VA 0 BV 0.65 E BV 0.015
VI 0.71
CCDM
Ccdm 17561+2130 RComp Comp A Note1
Note2 Discov num DRAs 2.79 DDEs -19.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp G5 PmNote *
PmRA -21 PmDE 46 Dm number +21 3253 Cat1 BD
Name2 +21 1759 Cat2 AGK2/3 HD 163609 M HD
ADS BDS A10904 M ADS BDS N IDS IDS 17519N2130A
HIC 87800
 
 
17561+2130 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175608.85+212937.8 Mag 10.76 PmRA -17.00
PmDE 67.0 Calc delta mag 2.39 Calc coord yes
CCDM
Ccdm 17561+2130 RComp Comp B Note1
Note2 Discov num STT 339 DRAs DDEs
R dRAs Year 1960 Theta 174 Rho 3.7
Obs 13 Vmag 10.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10904 M ADS BDS N IDS IDS 17519N2130B
HIC 87800