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Current system
18448+5201
HU 755
HD 173845


Nearby doubles
17' : 18461+5212
MLR 637

26' : 18466+5142
HU 756

30' : 18459+5228
RAO 398

34' : 18414+5150
SLE 239

43' : 18456+5119
KPP4119AB

45' : 18495+5157
UC 3685

58' : 18389+5221
STF2368AB

60' : 18417+5108
HU 754

60' : 18512+5210
BEM 35

70' : 18387+5243
A 1379

72' : 18399+5106
ES 787

73' : 18515+5124
SMR 76

76' : 18526+5140
TDT1102

79' : 18527+5135
COU2517

79' : 18517+5116
ES 788

80' : 18372+5122
SLE 227

80' : 18521+5120
STF2416AB

82' : 18387+5300
SLE 232

85' : 18402+5048
COU2515

86' : 18516+5259
TRN 3AB

86' : 18496+5048
UC 3686

96' : 18345+5147
HDS2634

102' : 18339+5221
A 1377AB

102' : 18339+5144
ZUC 16

103' : 18344+5240
BEM 34

106' : 18525+5319
KPP4125



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.

18448+5201 HU 755 (HD 173845)

 
 
18h 44m 45.28s +52° 00' 32.9" P.A. 124.00 sep 0.6 mag 9.71,9.90 Sp F5 dist. 235.29 pc (767.52 l.y.)
 
 
Coord 2000 18448+5201 Discov num HU  755 Comp Coord arcsec 2000 18 44 45.28 +52 00 32.9
Date first 1904 Date last 2016 Obs 21
Pa first 118 Pa last 124.1 P.A. Now (θ) 124.1°
Sep first 0.6 Sep last 0.569 Sep. Now (ρ) 0.569"
Mag pri 9.71 Mag sec 9.90 delta mag (ΔM) 0.19 Spectral class F5 (yellow-white)
Pri motion ra +007 Sec motion ra +007
Pri motion dec +007 Sec motion dec +007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 173845 Constellation Draco SAO 31143 HIP 91969
Tycho2 3539-00777-1 Gaia DR2 2144782972564754816 HD 173845 BD BD+51 2419
Distance 235.29 Distance ly 767.52
 
 
WDS 18448+5201 HU 755 (HD 173845) : 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
18448+5201 HU 755 1992 15 121 0.5 9.71 9.90 F5 D 184445.28+520032.9
18448+5201 HU 755 2010 16 123 0.6 9.71 9.90 F5 D 184445.28+520032.9
18448+5201 HU 755 2015 18 127 0.6 9.71 9.90 F5 184445.28+520032.9
18448+5201 HU 755 2016 20 124 0.6 9.71 9.90 F5 184445.28+520032.9

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

 
 
WDS 18448+5201 HU 755 (HD 173845) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18448+5201 HU 755 (HD 173845) : MEASURES
 
 
No records found.

 
 
WDS 18448+5201 (HD 173845) : VIRTUAL EYEPIECE
 
 

18448+5201 HU 755A mag 9.71 Sp F5 18448+5201 HU 755B sep 0.4 P.A. 137.70 mag 9.9 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 18448+5201 (HD 173845) : ALADIN DSS IMAGE @ 18h 44m 45.28s +52° 00' 32.9"
 
 
 
 
WDS 18448+5201 HU 755 (HD 173845) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18448+5201 HU 755 distance=0' 18461+5212 MLR 637 distance=17' 18466+5142 HU 756 distance=26' 18459+5228 RAO 398 distance=30' 18414+5150 SLE 239 distance=34' 18456+5119 KPP4119AB distance=43' 18495+5157 UC 3685 distance=45' 18389+5221 STF2368AB distance=58' 18389+5221 STF2368AC distance=58' 18417+5108 HU 754 distance=60' 18512+5210 BEM 35 distance=60' 18387+5243 A 1379 distance=70' 18399+5106 ES 787 distance=72' 18515+5124 SMR 76 distance=73' 18526+5140 TDT1102 distance=76' 18527+5135 COU2517 distance=79' 18517+5116 ES 788 distance=79' 18372+5122 SLE 227 distance=80' 18521+5120 STF2416AB distance=80' 18521+5120 STF2416AC distance=80' 18387+5300 SLE 232 distance=82' 18402+5048 COU2515 distance=85' 18516+5259 TRN 3AB distance=86' 18516+5259 LEP 90AC distance=86' 18496+5048 UC 3686 distance=86' 18345+5147 HDS2634 distance=96' 18339+5221 A 1377AB distance=102' 18339+5221 STF2348AB,C distance=102' 18339+5221 SLE 216AB,D distance=102' 18339+5221 SLE 216AB,E distance=102' 18339+5144 ZUC 16 distance=102' 18344+5240 BEM 34 distance=103' 18525+5319 KPP4125 distance=106' 18558+5240 ES 650AB distance=109' 18558+5240 ES 650AC distance=109' 18323+5149 SLE 205 distance=116' 18571+5143 SHY 749 distance=116' 18471+5356 A 1382 distance=118' 18340+5058 ES 785AB distance=119' 18340+5058 ES 785AC distance=119' 18340+5058 ABH 102AD distance=119' 18314+5144 SLE 194AB distance=125' 18314+5144 SLE 194AC distance=125' 18340+5045 ES 786 distance=126' 18383+5353 A 1378AB distance=127' 18383+5353 A 1378AB,C distance=127' 18586+5210 MLR 638 distance=128' 18540+5027 AZC 178 distance=129' 18319+5110 ES 784 distance=131' 18583+5114 KPP 430 distance=135' 18577+5100 RAO 402 distance=135' 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 18448+5201 HU 755 124 0.6
Show 18461+5212 MLR 637 102 0.8 17
Show 18466+5142 HU 756 263 1.0 26
Show 18459+5228 RAO 398 190 2.7 30
Show 18414+5150 SLE 239 98 13.2 34
Show 18456+5119 KPP4119 AB 24 18.5 43
Show 18495+5157 UC 3685 147 73.5 45
Show 18389+5221 STF2368 AB 321 1.9 58
Show 18389+5221 STF2368 AC 125 36.6 58
Show 18417+5108 HU 754 93 1.3 60
Show 18512+5210 BEM 35 156 17.2 60
Show 18387+5243 A 1379 211 2.1 70
Show 18399+5106 ES 787 38 8.3 72
Show 18515+5124 SMR 76 315 5.0 73
Show 18526+5140 TDT1102 95 2.0 76
Show 18527+5135 COU2517 109 0.9 79
Show 18517+5116 ES 788 317 3.3 79
Show 18372+5122 SLE 227 228 5.7 80
Show 18521+5120 STF2416 AB 157 20.3 80
Show 18521+5120 STF2416 AC 39 122.5 80
Show 18387+5300 SLE 232 219 14.6 82
Show 18402+5048 COU2515 276 0.3 85
Show 18516+5259 TRN 3 AB 101 1.1 86
Show 18516+5259 LEP 90 AC 327 206.5 86
Show 18496+5048 UC 3686 24 48.1 86
Show 18345+5147 HDS2634 351 0.1 96
Show 18339+5221 A 1377 AB 134 0.2 102
Show 18339+5221 STF2348 AB,C 271 25.7 102
Show 18339+5221 SLE 216 AB,D 338 93.7 102
Show 18339+5221 SLE 216 AB,E 232 109.1 102
Show 18339+5144 ZUC 16 47 17.0 102
Show 18344+5240 BEM 34 26 10.5 103
Show 18525+5319 KPP4125 267 1.7 106
Show 18558+5240 ES 650 AB 329 4.6 109
Show 18558+5240 ES 650 AC 197 26.7 109
Show 18323+5149 SLE 205 59 9.7 116
Show 18571+5143 SHY 749 208 999.9 116
Show 18471+5356 A 1382 226 4.6 118
Show 18340+5058 ES 785 AB 98 9.4 119
Show 18340+5058 ES 785 AC 293 10.9 119
Show 18340+5058 ABH 102 AD 17 54.2 119
Show 18314+5144 SLE 194 AB 213 7.8 125
Show 18314+5144 SLE 194 AC 109 16.1 125
Show 18340+5045 ES 786 323 5.9 126
Show 18383+5353 A 1378 AB 119 0.4 127
Show 18383+5353 A 1378 AB,C 273 14.1 127
Show 18586+5210 MLR 638 132 0.3 128
Show 18540+5027 AZC 178 224 18.8 129
Show 18319+5110 ES 784 65 7.1 131
Show 18583+5114 KPP 430 144 4.7 135
Show 18577+5100 RAO 402 62 1.6 135

 
 
WDS 18448+5201 : COMPONENTS
 
 
  A
B pa=137.7°
sep=0.43"
 
 
18448+5201 A
 
 
Componente originario normalizzato AB Name HD 173845 Coord arcsec 2000 184445.28+520032.9 Mag 9.71
Spectral class F5 (yellow-white) PmRA 7.00 PmDE 7.0 SAO 31143
HIP 91969 Tycho2 3539-00777-1 HD 173845 BD BD+51 2419
Tycho2
Tycho2 3539-00777-1 Pflag RAmdeg 281.18874883 DEmdeg 52.00910802
PmRA 7.2 PmDE 7.0 E RAmdeg 9 E DEmdeg 10
E pmRA 1.1 E pmDE 1.2 EpRAm 1990.49 EpDEm 1990.50
Num 9 Q RAmdeg 0.9 Q DEmdeg 0.9 Q pmRA 1.0
Q pmDE 0.9 BTmag 9.474 E BTmag 0.019 VTmag 9.157
E VTmag 0.017 Prox 800 TYC T HIP 91969
CCDM AB RAdeg 281.18872306 DEdeg 52.00909194 EpRA 1990 1.67
EpDE 1990 1.70 E RAdeg 9.4 E DEdeg 9.7 Posflg P
Corr 0.0
SAO
SAO 31143 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 0.018 Vmag 8.7 SpType F5
Double code Source 37 CatNum 5715 DM BD+51 2419
DMcomp BDsup HD 173845 M HD 0
GC RA1950rad 4.90258227 DE1950rad 0.90679757 PmRA2000 0
PmDE2000 0.018
Hipparcos
Catalog H HIP 91969 Proxy H RAhms 18 44 45.28
DEdms +52 00 32.8 Vmag 9.07 VarFlag R Vmag H
RAdeg 281.189 DEdeg 52.0091 AstroRef A Plx 2.04
CCDM 18448+5201 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 122 Rho 0.582 HD 173845 BD BD+51 2419
CD CP Dm number +51 2419 VIred 0.32
SpType F5 R SpType Coord arcsec 2000 184445.28+520032.8
Hipparcos 2
HIP 91969 Sn 15 So 3 Nc 2
RArad 4.907667871 DErad 0.9077303031 Plx 4.25 PmRA 5.79
PmDE 9.22 E RArad 1.38 E DErad 0.97 E Plx 1.11
E pmRA 1.62 E pmDE 1.15 Hpmag 9.1493 E Hpmag 0.0022
SHp 0.016 VA 0 BV 0.299 E BV 0.022
VI 0.34
CCDM
Ccdm 18448+5201 RComp Comp A Note1
Note2 Discov num DRAs -2.71 DDEs -27.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp F5 PmNote *
PmRA 2 PmDE 3 Dm number +51 2419 Cat1 BD
Name2 +51 1256 Cat2 AGK2/3 HD 173845 M HD
ADS BDS A11659 M ADS BDS N IDS IDS 18424N5154A
HIC 91969
 
 
18448+5201 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184445.31+520032.6 Mag 9.9 PmRA 7.00
PmDE 7.0 Calc delta mag 0.19 Calc coord yes
CCDM
Ccdm 18448+5201 RComp Comp B Note1
Note2 Discov num HU 755 DRAs DDEs
R dRAs Year 1904 Theta 120 Rho 0.6
Obs 8 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11659 M ADS BDS N IDS IDS 18424N5154B
HIC 91969