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Current system
17511+5523
HO 71


Nearby doubles
41' : 17469+5503
UC 3403

42' : 17461+5526
UC 3400

48' : 17556+5458
CVR 866

52' : 17554+5558
HJL1097

65' : 17462+5613
STI2357

70' : 17504+5414
OL 89

74' : 17562+5621
LDS4768

90' : 18007+5453
ES 640

91' : 17543+5357
A 1885

92' : 17535+5652
LDS1457
Grumium

96' : 17462+5357
HDS2511

100' : 17521+5344
TOI1261

103' : 17598+5416
ES 780

104' : 18027+5552
ES 79AB

104' : 18005+5624
SZM 1

106' : 17510+5709
STI2360

107' : 17480+5707
MLB1077AB

107' : 17380+5521
GRV1137

107' : 17585+5359
KPP 697

107' : 17386+5546
STF2199

111' : 17530+5713
MLB 75

116' : 17376+5508
KPP1235

117' : 17402+5411
ES 638

118' : 18029+5626
STF2278AB

120' : 17433+5703
LDS1450

124' : 18025+5638
LDS4772



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17511+5523 HO 71

 
 
17h 50m 58.05s +55° 23' 20.6" P.A. 226.00 sep 3.8 mag 11.50,11.50
 
 
Coord 2000 17511+5523 Discov num HO   71 Comp Coord arcsec 2000 17 50 58.05 +55 23 20.6
Date first 1885 Date last 2019 Obs 23
Pa first 227 Pa last 226.4 P.A. Now (θ) 226.4°
Sep first 3.7 Sep last 3.77 Sep. Now (ρ) 3.77"
Mag pri 11.50 Mag sec 11.50 delta mag (ΔM) 0 Spectral class
Pri motion ra +015 Sec motion ra -021
Pri motion dec +015 Sec motion dec +013
Notes
rPM=1.46
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Gaia DR2 1418186145167282432
 
 
WDS 17511+5523 HO 71 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17511+5523 HO 71 2000 13 228 3.7 9.20 9.60 D 175057.76+552317.9
17511+5523 HO 71 2011 14 227 3.7 9.20 9.60 D 175057.76+552317.9
17511+5523 HO 71 2015 17 230 4.1 9.20 9.60 175057.76+552317.9
17511+5523 HO 71 2017 18 228 3.8 11.50 11.50 175058.05+552320.6
17511+5523 HO 71 2019 22 226 3.8 11.50 11.50 175058.05+552320.6

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

 
 
WDS 17511+5523 HO 71 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17511+5523 HO 71 : MEASURES
 
 
No records found.

 
 
WDS 17511+5523 : VIRTUAL EYEPIECE
 
 

17511+5523 HO 71A mag 11.5 17511+5523 HO 71B sep 3.0 P.A. 210.80 mag 11.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17511+5523 : ALADIN DSS IMAGE @ 17h 50m 58.05s +55° 23' 20.6"
 
 
 
 
WDS 17511+5523 HO 71 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17511+5523 HO 71 distance=0' 17469+5503 UC 3403 distance=41' 17461+5526 UC 3400 distance=42' 17556+5458 CVR 866 distance=48' 17554+5558 HJL1097 distance=52' 17462+5613 STI2357 distance=65' 17504+5414 OL 89 distance=70' 17562+5621 LDS4768 distance=74' 18007+5453 ES 640 distance=90' 17543+5357 A 1885 distance=91' 17535+5652 LDS1457 (Grumium) distance=92' 17462+5357 HDS2511 distance=96' 17521+5344 TOI1261 distance=100' 17598+5416 ES 780 distance=103' 18027+5552 ES 79AB distance=104' 18027+5552 ES 79AC distance=104' 18005+5624 SZM 1 distance=104' 17510+5709 STI2360 distance=106' 17480+5707 MLB1077AB distance=107' 17480+5707 MLB1077AC distance=107' 17380+5521 GRV1137 distance=107' 17585+5359 KPP 697 distance=107' 17386+5546 STF2199 distance=107' 17530+5713 MLB 75 distance=111' 17376+5508 KPP1235 distance=116' 18029+5626 STF2278DS distance=116' 17402+5411 ES 638 distance=117' 18029+5626 STF2278AB distance=118' 18029+5626 STF2278AD distance=118' 18029+5626 SLE 128AE distance=118' 18029+5626 SLE 128AF distance=118' 18029+5626 SLE 128AG distance=118' 18029+5626 STF2278AC distance=118' 18029+5626 STF2278BC distance=119' 17433+5703 LDS1450 distance=120' 18025+5638 LDS4772 distance=124' 18053+5550 SLE 137 distance=125' 18004+5704 STI2364 distance=125' 17437+5336 KPP 399 distance=125' 17458+5326 MLR 605BC distance=126' 18048+5435 ES 641 distance=129' 17388+5406 HDS2493 distance=131' 18026+5358 ES 781 distance=133' 17563+5731 ES 1744 distance=137' 17373+5640 STI2354 distance=138' 17362+5425 ES 637 distance=140' 18075+5514 STI2369 distance=142' 17571+5313 TDT 595 distance=142' 17337+5545 GRV1152 distance=148' 18077+5608 SLE 140 distance=149' 18000+5316 A 1886 distance=150' 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 17511+5523 HO 71 226 3.8
Show 17469+5503 UC 3403 93 12.1 41
Show 17461+5526 UC 3400 151 7.4 42
Show 17556+5458 CVR 866 359 11.8 48
Show 17554+5558 HJL1097 49 351.6 52
Show 17462+5613 STI2357 171 11.9 65
Show 17504+5414 OL 89 173 0.8 70
Show 17562+5621 LDS4768 55 24.1 74
Show 18007+5453 ES 640 77 8.4 90
Show 17543+5357 A 1885 81 0.4 91
Show Grumium 17535+5652 LDS1457 290 315.7 92
Show 17462+5357 HDS2511 97 0.4 96
Show 17521+5344 TOI1261 317 1.7 100
Show 17598+5416 ES 780 124 4.0 103
Show 18027+5552 ES 79 AB 56 6.3 104
Show 18027+5552 ES 79 AC 93 24.6 104
Show 18005+5624 SZM 1 87 20.4 104
Show 17510+5709 STI2360 232 9.9 106
Show 17480+5707 MLB1077 AB 215 4.3 107
Show 17480+5707 MLB1077 AC 28 23.5 107
Show 17380+5521 GRV1137 59 41.7 107
Show 17585+5359 KPP 697 94 6.2 107
Show 17386+5546 STF2199 53 2.0 107
Show 17530+5713 MLB 75 324 2.9 111
Show 17376+5508 KPP1235 123 9.5 116
Show 18029+5626 STF2278 DS 213 6.7 116
Show 17402+5411 ES 638 185 2.5 117
Show 18029+5626 STF2278 AB 31 35.1 118
Show 18029+5626 STF2278 AD 189 197.9 118
Show 18029+5626 SLE 128 AE 279 46.4 118
Show 18029+5626 SLE 128 AF 278 85.2 118
Show 18029+5626 SLE 128 AG 250 127.2 118
Show 18029+5626 STF2278 AC 38 33.6 118
Show 18029+5626 STF2278 BC 146 6.0 119
Show 17433+5703 LDS1450 95 18.6 120
Show 18025+5638 LDS4772 346 9.9 124
Show 18053+5550 SLE 137 171 9.3 125
Show 18004+5704 STI2364 299 16.8 125
Show 17437+5336 KPP 399 264 3.7 125
Show 17458+5326 MLR 605 BC 45 10.8 126
Show 18048+5435 ES 641 64 2.1 129
Show 17388+5406 HDS2493 253 0.5 131
Show 18026+5358 ES 781 281 4.3 133
Show 17563+5731 ES 1744 266 7.4 137
Show 17373+5640 STI2354 85 4.4 138
Show 17362+5425 ES 637 295 4.0 140
Show 18075+5514 STI2369 188 15.4 142
Show 17571+5313 TDT 595 77 0.5 142
Show 17337+5545 GRV1152 225 23.8 148
Show 18077+5608 SLE 140 166 6.8 149
Show 18000+5316 A 1886 339 4.7 150

 
 
WDS 17511+5523 : COMPONENTS
 
 
  A
B pa=210.8°
sep=3.03"
 
 
17511+5523 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 175058.05+552320.6 Mag 11.5 PmRA 15.00
PmDE 15.0
 
 
17511+5523 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175057.87+552318.0 Mag 11.5 PmRA -21.00
PmDE 13.0 Calc coord yes