17475-1806 HU 186 (HD 161643)

 
 
17h 47m 27.09s -18° 06' 25.6" P.A. 317.00 sep 1.0 mag 7.58,10.26 Sp A7V dist. 153.85 pc (501.86 l.y.)
 
 
Coord 2000 17475-1806 Discov num HU  186 Comp Coord arcsec 2000 17 47 27.09 -18 06 25.6
Date first 1900 Date last 1991 Obs 10
Pa first 340 Pa last 316.9 P.A. Now (θ) 316.9°
Sep first 1.0 Sep last 0.98 Sep. Now (ρ) 0.98"
Mag pri 7.58 Mag sec 10.26 delta mag (ΔM) 2.68 Spectral class A7V (white)
Pri motion ra +008 Sec motion ra +002
Pri motion dec -004 Sec motion dec -005
Notes
rPM=0.68
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 161643 Constellation Sagittarius SAO 160819 HIP 87061
Tycho2 6253-01604-1 Gaia DR2 4120575547751234432 HD 161643 GC 24140
BD BD-18 4645 Distance 153.85 Distance ly 501.86
 
 
WDS 17475-1806 HU 186 (HD 161643) : 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
17475-1806 HU 186 1991 10 317 1.0 7.58 10.26 A7V D 174727.09-180625.6

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WDS 17475-1806 HU 186 (HD 161643) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17475-1806 HU 186 (HD 161643) : MEASURES
 
 
No records found.

 
 
WDS 17475-1806 (HD 161643) : VIRTUAL EYEPIECE
 
 

17475-1806 HU  186A mag 7.58 Sp A7V 17475-1806 HU  186B sep 1.0 P.A. 318.30 mag 10.26 virtual eyepiece
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Radius:
Components only
 
 
WDS 17475-1806 (HD 161643) : ALADIN DSS IMAGE @ 17h 47m 27.09s -18° 06' 25.6"
 
 
 
 
WDS 17475-1806 HU 186 (HD 161643) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


17475-1806  HU  186 distance=1' 17457-1832  A  2251 distance=36' 17445-1751  ARA 262 distance=45' 17449-1839  A  2250 distance=49' 17486-1854  A  2252 distance=51' 17460-1706  ARA 263 distance=64' 17517-1742  TDT 537 distance=66' 17460-1909  VVV  48 distance=66' 17420-1751  OCC 535 distance=80' 17413-1757  HLD 138 distance=88' 17450-1646  VOU  42 distance=89' 17413-1838  DON 858 distance=94' 17413-1839  SEE 336 distance=94' 17435-1649  HU  185 distance=96' 17536-1726  HDO 147AB distance=98' 17536-1726  SKF  85AC distance=98' 17405-1806  KPP 593 distance=99' 17543-1828  A  2253 distance=100' 17520-1651  TDT 543 distance=101' 17424-1924  B  2413 distance=106' 17551-1818  ARA 448 distance=110' 17516-1633  WSI  63AB distance=112' 17516-1633  WSI  63AC distance=112' 17425-1638  CRC  25AB distance=113' 17425-1638  CRC  25AC distance=113' 17490-1615  HU  187 distance=114' 17496-2000  BU 1460DC distance=117' 17496-2000  BU 1460DE distance=117' 17496-2000  HJ 2810AB distance=118' 17496-2000  BU 1460AD distance=118' 17554-1843  RST3136 distance=120' 17546-1911  HJ 2812 distance=121' 17397-1712  LDS 607 distance=123' 17406-1653  BRT 624 distance=123' 17543-1927  DOO  69 distance=127' 17546-1924  TDT 567 distance=129' 17434-1612  ARA  95 distance=129' 17388-1722  ARA 261 distance=132' 17535-1623  WSI  64 distance=136' 17425-2006  OCC  37 distance=139' 17574-1804  A  2254 distance=142' 17384-1904  HLD 137 distance=142' 17527-1603  ARA  96 distance=144' 17506-1550  HJ 2811 distance=144' 17399-1947  CON  31AB distance=147' 17399-1947  CON  31AC distance=147' 17399-1947  CON  31AD distance=147' 17569-1903  FEN  25 distance=147' 17571-1906  ARA 719 distance=150' 17369-1757  HDS2486 distance=152' 17569-1920  B  2846 distance=154' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 17475-1806 HU 186 317 1.0 1
Show 17457-1832 A 2251 257 2.5 36
Show 17445-1751 ARA 262 70 9.9 45
Show 17449-1839 A 2250 220 2.1 49
Show 17486-1854 A 2252 219 3.7 51
Show 17460-1706 ARA 263 42 12.2 64
Show 17517-1742 TDT 537 231 0.5 66
Show 17460-1909 VVV 48 1 3.1 66
Show 17420-1751 OCC 535 -1 0.1 80
Show 17413-1757 HLD 138 272 2.2 88
Show 17450-1646 VOU 42 311 0.2 89
Show 17413-1838 DON 858 261 2.6 94
Show 17413-1839 SEE 336 94 3.5 94
Show 17435-1649 HU 185 278 2.7 96
Show 17536-1726 HDO 147 AB 205 12.2 98
Show 17536-1726 SKF 85 AC 284 3.1 98
Show 17405-1806 KPP 593 281 5.5 99
Show 17543-1828 A 2253 75 0.4 100
Show 17520-1651 TDT 543 185 0.5 101
Show 17424-1924 B 2413 198 11.2 106
Show 17551-1818 ARA 448 68 7.6 110
Show 17516-1633 WSI 63 AB 51 5.1 112
Show 17516-1633 WSI 63 AC 8 3.0 112
Show 17425-1638 CRC 25 AB 123 8.9 113
Show 17425-1638 CRC 25 AC 276 3.2 113
Show 17490-1615 HU 187 84 4.2 114
Show 17496-2000 BU 1460 DC 302 34.6 117
Show 17496-2000 BU 1460 DE 148 30.5 117
Show 17496-2000 HJ 2810 AB 187 44.0 118
Show 17496-2000 BU 1460 AD 270 297.0 118
Show 17554-1843 RST3136 353 1.9 120
Show 17546-1911 HJ 2812 134 12.5 121
Show 17397-1712 LDS 607 49 14.5 123
Show 17406-1653 BRT 624 279 3.2 123
Show 17543-1927 DOO 69 88 11.6 127
Show 17546-1924 TDT 567 176 1.7 129
Show 17434-1612 ARA 95 123 10.3 129
Show 17388-1722 ARA 261 79 12.5 132
Show 17535-1623 WSI 64 102 2.1 136
Show 17425-2006 OCC 37 -1 0.1 139
Show 17574-1804 A 2254 171 0.3 142
Show 17384-1904 HLD 137 263 1.2 142
Show 17527-1603 ARA 96 108 13.6 144
Show 17506-1550 HJ 2811 117 14.4 144
Show 17399-1947 CON 31 AB 78 1.5 147
Show 17399-1947 CON 31 AC 31 1.6 147
Show 17399-1947 CON 31 AD 357 3.5 147
Show 17569-1903 FEN 25 14 5.1 147
Show 17571-1906 ARA 719 150 15.0 150
Show 17369-1757 HDS2486 125 0.2 152
Show 17569-1920 B 2846 141 10.9 154

 
 
WDS 17475-1806 : COMPONENTS
 
 
  A
B pa=318.3°
sep=0.96"
 
 
17475-1806 A
 
 
Componente originario normalizzato AB Name HD 161643 Coord arcsec 2000 174727.09-180625.6 Mag 7.58
Spectral class A7V (white) PmRA 8.00 PmDE -4.0 SAO 160819
HIP 87061 Tycho2 6253-01604-1 HD 161643 GC 24140
BD BD-18 4645
Tycho2
Tycho2 6253-01604-1 Pflag RAmdeg 266.86289389 DEmdeg -18.10711782
PmRA 7.8 PmDE -4.0 E RAmdeg 5 E DEmdeg 6
E pmRA 0.8 E pmDE 0.9 EpRAm 1991.03 EpDEm 1990.78
Num 22 Q RAmdeg 1.6 Q DEmdeg 1.3 Q pmRA 1.8
Q pmDE 1.3 BTmag 7.888 E BTmag 0.015 VTmag 7.582
E VTmag 0.011 Prox 10 TYC T HIP 87061
CCDM A RAdeg 266.86287583 DEdeg -18.10710917 EpRA 1990 1.84
EpDE 1990 1.82 E RAdeg 4.6 E DEdeg 5.6 Posflg
Corr 0.2
SAO
SAO 160819 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 -0.011 Vmag 7.5 SpType F0
Double code Source 70 CatNum 24140 DM BD-18 4645
DMcomp BDsup HD 161643 M HD 0
GC 24140 RA1950rad 4.64486924 DE1950rad -0.31573224 PmRA2000 0.0017
PmDE2000 -0.009
Hipparcos
Catalog H HIP 87061 Proxy H RAhms 17 47 27.09
DEdms -18 06 25.6 Vmag 7.45 VarFlag R Vmag G
RAdeg 266.863 DEdeg -18.1071 AstroRef A Plx 7.28
CCDM 17475-1806 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 317 Rho 0.985 HD 161643 BD BD-18 4645
CD CP Dm number -18 4645 VIred 0.37
SpType A7V R SpType Coord arcsec 2000 174727.09-180625.6
Hipparcos 2
HIP 87061 Sn 15 So 3 Nc 2
RArad 4.6576358279 DErad -0.3160286442 Plx 6.5 PmRA 2.52
PmDE -4.45 E RArad 0.95 E DErad 0.55 E Plx 0.99
E pmRA 1.1 E pmDE 0.59 Hpmag 7.5246 E Hpmag 0.0013
SHp 0.01 VA 0 BV 0.317 E BV 0.024
VI 0.37
CCDM
Ccdm 17475-1806 RComp Comp A Note1
Note2 Discov num DRAs -2.80 DDEs -26.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.5 Sp F0 PmNote *
PmRA 24 PmDE -10 Dm number -18 4645 Cat1 BD
Name2 160819 Cat2 SAO HD 161643 M HD
ADS BDS A10788 M ADS BDS N IDS IDS 17416S1804A
HIC 87061
 
 
17475-1806 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 174727.05-180624.9 Mag 10.26 PmRA 2.00
PmDE -5.0 Calc delta mag 2.68 Calc coord yes
CCDM
Ccdm 17475-1806 RComp Comp B Note1
Note2 Discov num HU 186 DRAs DDEs
R dRAs Year 1952 Theta 331 Rho 0.9
Obs 5 Vmag 11.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10788 M ADS BDS N IDS IDS 17416S1804B
HIC 87061