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Current system
18417+5108
HU 754
HD 173287


Nearby doubles
18' : 18399+5106
ES 787

25' : 18402+5048
COU2515

38' : 18456+5119
KPP4119AB

43' : 18414+5150
SLE 239

46' : 18372+5122
SLE 227

57' : 18466+5142
HU 756

60' : 18448+5201
HU 755

74' : 18340+5058
ES 785AB

76' : 18461+5212
MLR 637

77' : 18340+5045
ES 786

77' : 18496+5048
UC 3686

78' : 18389+5221
STF2368AB

79' : 18345+5147
HDS2634

82' : 18339+5144
ZUC 16

89' : 18495+5157
UC 3685

89' : 18459+5228
RAO 398

94' : 18319+5110
ES 784

94' : 18515+5124
SMR 76

94' : 18517+5116
ES 788

98' : 18323+5149
SLE 205

99' : 18521+5120
STF2416AB

100' : 18387+5243
A 1379

104' : 18339+5221
A 1377AB

104' : 18314+5144
SLE 194AB

105' : 18436+4925
TDT1018

107' : 18526+5140
TDT1102



Selections
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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.

18417+5108 HU 754 (HD 173287)

 
 
18h 41m 44.99s +51° 07' 33.6" P.A. 93.00 sep 1.3 mag 8.36,11.53 Sp A2 dist. 318.47 pc (1038.85 l.y.)
 
 
Coord 2000 18417+5108 Discov num HU  754 Comp Coord arcsec 2000 18 41 44.99 +51 07 33.6
Date first 1904 Date last 1991 Obs 4
Pa first 91 Pa last 92.5 P.A. Now (θ) 92.5°
Sep first 1.4 Sep last 1.31 Sep. Now (ρ) 1.31"
Mag pri 8.36 Mag sec 11.53 delta mag (ΔM) 3.17 Spectral class A2 (white)
Pri motion ra +001 Sec motion ra +003
Pri motion dec +003 Sec motion dec +002
Notes
rPM=0.62
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 173287 Constellation Draco SAO 31111 HIP 91680
Tycho2 3539-00690-1 Gaia DR2 2144275273070236544 HD 173287 BD BD+50 2651
Distance 318.47 Distance ly 1038.85
 
 
WDS 18417+5108 HU 754 (HD 173287) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 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
18417+5108 HU 754 1991 4 93 1.3 8.36 11.53 A2 D 184144.99+510733.6

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

 
 
WDS 18417+5108 HU 754 (HD 173287) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18417+5108 HU 754 (HD 173287) : MEASURES
 
 
No records found.

 
 
WDS 18417+5108 (HD 173287) : VIRTUAL EYEPIECE
 
 

18417+5108 HU 754A mag 8.36 Sp A2 18417+5108 HU 754B sep 0.8 P.A. 94.00 mag 11.53 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 18417+5108 (HD 173287) : ALADIN DSS IMAGE @ 18h 41m 44.99s +51° 07' 33.6"
 
 
 
 
WDS 18417+5108 HU 754 (HD 173287) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18417+5108 HU 754 distance=0' 18399+5106 ES 787 distance=18' 18402+5048 COU2515 distance=25' 18456+5119 KPP4119AB distance=38' 18414+5150 SLE 239 distance=43' 18372+5122 SLE 227 distance=46' 18466+5142 HU 756 distance=57' 18448+5201 HU 755 distance=60' 18340+5058 ES 785AB distance=74' 18340+5058 ES 785AC distance=74' 18340+5058 ABH 102AD distance=74' 18461+5212 MLR 637 distance=76' 18340+5045 ES 786 distance=77' 18496+5048 UC 3686 distance=77' 18389+5221 STF2368AB distance=78' 18389+5221 STF2368AC distance=78' 18345+5147 HDS2634 distance=79' 18339+5144 ZUC 16 distance=82' 18495+5157 UC 3685 distance=89' 18459+5228 RAO 398 distance=89' 18319+5110 ES 784 distance=94' 18515+5124 SMR 76 distance=94' 18517+5116 ES 788 distance=94' 18323+5149 SLE 205 distance=98' 18521+5120 STF2416AB distance=99' 18521+5120 STF2416AC distance=99' 18387+5243 A 1379 distance=100' 18339+5221 A 1377AB distance=104' 18339+5221 STF2348AB,C distance=104' 18339+5221 SLE 216AB,D distance=104' 18339+5221 SLE 216AB,E distance=104' 18314+5144 SLE 194AB distance=104' 18314+5144 SLE 194AC distance=104' 18436+4925 TDT1018 distance=105' 18526+5140 TDT1102 distance=107' 18527+5135 COU2517 distance=107' 18512+5210 BEM 35 distance=108' 18344+5240 BEM 34 distance=115' 18475+4926 BU 971AB distance=116' 18475+4926 FOX 235AB,D distance=116' 18475+4926 BU 971AB,C distance=116' 18387+5300 SLE 232 distance=117' 18405+4906 COU2394 distance=123' 18540+5027 AZC 178 distance=124' 18472+4909 COU2516 distance=130' 18386+4901 CBL 171 distance=131' 18477+4904 HEI 72AB distance=136' 18410+4848 COU2395 distance=139' 18277+5016 LEP 158 distance=144' 18516+5259 TRN 3AB distance=144' 18516+5259 LEP 90AC distance=144' 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 18417+5108 HU 754 93 1.3
Show 18399+5106 ES 787 38 8.3 18
Show 18402+5048 COU2515 276 0.3 25
Show 18456+5119 KPP4119 AB 24 18.5 38
Show 18414+5150 SLE 239 98 13.2 43
Show 18372+5122 SLE 227 228 5.7 46
Show 18466+5142 HU 756 263 1.0 57
Show 18448+5201 HU 755 124 0.6 60
Show 18340+5058 ES 785 AB 98 9.4 74
Show 18340+5058 ES 785 AC 293 10.9 74
Show 18340+5058 ABH 102 AD 17 54.2 74
Show 18461+5212 MLR 637 102 0.8 76
Show 18340+5045 ES 786 323 5.9 77
Show 18496+5048 UC 3686 24 48.1 77
Show 18389+5221 STF2368 AB 321 1.9 78
Show 18389+5221 STF2368 AC 125 36.6 78
Show 18345+5147 HDS2634 351 0.1 79
Show 18339+5144 ZUC 16 47 17.0 82
Show 18495+5157 UC 3685 147 73.5 89
Show 18459+5228 RAO 398 190 2.7 89
Show 18319+5110 ES 784 65 7.1 94
Show 18515+5124 SMR 76 315 5.0 94
Show 18517+5116 ES 788 317 3.3 94
Show 18323+5149 SLE 205 59 9.7 98
Show 18521+5120 STF2416 AB 157 20.3 99
Show 18521+5120 STF2416 AC 39 122.5 99
Show 18387+5243 A 1379 211 2.1 100
Show 18339+5221 A 1377 AB 134 0.2 104
Show 18339+5221 STF2348 AB,C 271 25.7 104
Show 18339+5221 SLE 216 AB,D 338 93.7 104
Show 18339+5221 SLE 216 AB,E 232 109.1 104
Show 18314+5144 SLE 194 AB 213 7.8 104
Show 18314+5144 SLE 194 AC 109 16.1 104
Show 18436+4925 TDT1018 266 0.6 105
Show 18526+5140 TDT1102 95 2.0 107
Show 18527+5135 COU2517 109 0.9 107
Show 18512+5210 BEM 35 156 17.2 108
Show 18344+5240 BEM 34 26 10.5 115
Show 18475+4926 BU 971 AB 215 0.5 116
Show 18475+4926 FOX 235 AB,D 131 91.4 116
Show 18475+4926 BU 971 AB,C 113 104.4 116
Show 18387+5300 SLE 232 219 14.6 117
Show 18405+4906 COU2394 219 0.6 123
Show 18540+5027 AZC 178 224 18.8 124
Show 18472+4909 COU2516 121 0.1 130
Show 18386+4901 CBL 171 260 47.5 131
Show 18477+4904 HEI 72 AB 236 0.6 136
Show 18410+4848 COU2395 137 0.6 139
Show 18277+5016 LEP 158 238 5.1 144
Show 18516+5259 TRN 3 AB 101 1.1 144
Show 18516+5259 LEP 90 AC 327 206.5 144

 
 
WDS 18417+5108 : COMPONENTS
 
 
  A
B pa=94.0°
sep=0.82"
 
 
18417+5108 A
 
 
Componente originario normalizzato AB Name HD 173287 Coord arcsec 2000 184144.99+510733.6 Mag 8.36
Spectral class A2 (white) PmRA 1.00 PmDE 3.0 SAO 31111
HIP 91680 Tycho2 3539-00690-1 HD 173287 BD BD+50 2651
Tycho2
Tycho2 3539-00690-1 Pflag RAmdeg 280.43747290 DEmdeg 51.12598923
PmRA 1.2 PmDE 2.8 E RAmdeg 6 E DEmdeg 6
E pmRA 1.0 E pmDE 1.1 EpRAm 1990.81 EpDEm 1990.96
Num 13 Q RAmdeg 1.2 Q DEmdeg 1.5 Q pmRA 1.1
Q pmDE 1.5 BTmag 8.378 E BTmag 0.016 VTmag 8.356
E VTmag 0.012 Prox 13 TYC T HIP 91680
CCDM A RAdeg 280.43746750 DEdeg 51.12598361 EpRA 1990 1.63
EpDE 1990 1.58 E RAdeg 5.6 E DEdeg 5.7 Posflg
Corr 0.1
SAO
SAO 31111 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.004 Vmag 8 SpType A2
Double code Source 37 CatNum 5697 DM BD+50 2651
DMcomp BDsup HD 173287 M HD 0
GC RA1950rad 4.88929829 DE1950rad 0.89144742 PmRA2000 0.0009
PmDE2000 0.004
Hipparcos
Catalog H HIP 91680 Proxy H RAhms 18 41 44.99
DEdms +51 07 33.5 Vmag 8.31 VarFlag R Vmag H
RAdeg 280.437 DEdeg 51.126 AstroRef A Plx 3.43
CCDM 18418+5108 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 92 Rho 1.304 HD 173287 BD BD+50 2651
CD CP Dm number +50 2651 VIred 0.03
SpType A2 R SpType Coord arcsec 2000 184144.99+510733.5
Hipparcos 2
HIP 91680 Sn 15 So 3 Nc 2
RArad 4.8945571846 DErad 0.8923167443 Plx 3.14 PmRA 2.05
PmDE 2.2 E RArad 0.61 E DErad 0.64 E Plx 0.67
E pmRA 0.68 E pmDE 0.85 Hpmag 8.3219 E Hpmag 0.0016
SHp 0.015 VA 0 BV 0.6 E BV 0.495
VI 0.03
 
 
18417+5108 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184145.08+510733.5 Mag 11.53 PmRA 3.00
PmDE 2.0 Calc delta mag 3.17 Calc coord yes