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Current system
20182+1820
HU 357
HD 193161


Nearby doubles
17' : 20204+1825
J 3076

17' : 20203+1826
J 3075

24' : 20177+1755
J 1340

28' : 20201+1823
DAM 211AB

28' : 20170+1805
J 2307

29' : 20188+1751
J 3314

30' : 20192+1753
BPM2106

32' : 20160+1819
BPMA243

35' : 20159+1822
J 2602

39' : 20200+1848
HU 359

43' : 20177+1739
BPMA245

43' : 20186+1905
J 835

44' : 20153+1807
BPM2079

44' : 20164+1745
J 1109AB

44' : 20160+1850
J 508

45' : 20158+1849
J 507

48' : 20181+1736
HJ 2946

50' : 20149+1808
BPM2075

54' : 20199+1733
HJ 2950

54' : 20146+1809
J 3064AB

54' : 20202+1734
BPM2116

58' : 20178+1917
TDT2146

58' : 20192+1723
J 1247

62' : 20184+1719
BPM2099

64' : 20139+1806
BPMA242

66' : 20147+1856
J 3065



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

20182+1820 HU 357 (HD 193161)

 
 
20h 18m 14.41s +18° 19' 41.5" P.A. 195.00 sep 1.8 mag 7.98,10.94 Sp A3III dist. 167.79 pc (547.33 l.y.)
 
 
Coord 2000 20182+1820 Discov num HU  357 Comp Coord arcsec 2000 20 18 14.41 +18 19 41.5
Date first 1901 Date last 2016 Obs 15
Pa first 195 Pa last 194.7 P.A. Now (θ) 194.7°
Sep first 1.8 Sep last 1.761 Sep. Now (ρ) 1.761"
Mag pri 7.98 Mag sec 10.94 delta mag (ΔM) 2.96 Spectral class A3III (white)
Pri motion ra +014 Sec motion ra +016
Pri motion dec +007 Sec motion dec +005
Notes
rPM=0.169 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 193161 Constellation Sagitta SAO 105940 HIP 100084
Tycho2 1635-00431-1 Gaia DR2 1810132796039657344 HD 193161 BD BD+17 4282
Distance 167.79 Distance ly 547.33
 
 
WDS 20182+1820 HU 357 (HD 193161) : 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
20182+1820 HU 357 1991 13 195 1.8 7.98 10.94 A3III D 201814.41+181941.5
20182+1820 HU 357 2016 14 195 1.8 7.98 10.94 A3III 201814.41+181941.5

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

 
 
WDS 20182+1820 HU 357 (HD 193161) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20182+1820 HU 357 (HD 193161) : MEASURES
 
 
No records found.

 
 
WDS 20182+1820 (HD 193161) : VIRTUAL EYEPIECE
 
 

20182+1820 HU 357A mag 7.98 Sp A3III 20182+1820 HU 357B sep 1.8 P.A. 194.00 mag 10.94 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 20182+1820 (HD 193161) : ALADIN DSS IMAGE @ 20h 18m 14.41s +18° 19' 41.5"
 
 
 
 
WDS 20182+1820 HU 357 (HD 193161) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20182+1820 HU 357 distance=0' 20204+1825 J 3076 distance=17' 20203+1826 J 3075 distance=17' 20177+1755 J 1340 distance=24' 20201+1823 DAM 211AB distance=28' 20201+1823 DAM 211AC distance=28' 20170+1805 J 2307 distance=28' 20188+1751 J 3314 distance=29' 20192+1753 BPM2106 distance=30' 20160+1819 BPMA243 distance=32' 20159+1822 J 2602 distance=35' 20200+1848 HU 359 distance=39' 20177+1739 BPMA245 distance=43' 20186+1905 J 835 distance=43' 20153+1807 BPM2079 distance=44' 20164+1745 J 1109AB distance=44' 20164+1745 J 1109AC distance=44' 20160+1850 J 508 distance=44' 20158+1849 J 507 distance=45' 20181+1736 HJ 2946 distance=48' 20149+1808 BPM2075 distance=50' 20199+1733 HJ 2950 distance=54' 20146+1809 J 3064AB distance=54' 20146+1809 J 3064BC distance=54' 20202+1734 BPM2116 distance=54' 20178+1917 TDT2146 distance=58' 20192+1723 J 1247 distance=58' 20184+1719 BPM2099 distance=62' 20139+1806 BPMA242 distance=64' 20147+1856 J 3065 distance=66' 20170+1716 OSO 123AB distance=67' 20170+1716 OSO 123AC distance=67' 20170+1716 OSO 123AD distance=67' 20170+1716 OSO 123AE distance=67' 20196+1925 BRT2525 distance=68' 20167+1923 J 3068 distance=68' 20139+1751 BPM2067 distance=69' 20167+1925 GCB 52 distance=69' 20186+1711 BPM2101 distance=69' 20224+1745 BPM2132 distance=70' 20218+1729 BPM2128 distance=73' 20162+1927 FMR 158 distance=74' 20159+1714 KPP 465 distance=75' 20231+1844 LDS5905 distance=75' 20215+1721 KPP1798 distance=75' 20193+1705 BPM2109 distance=76' 20235+1811 J 839 distance=77' 20127+1806 J 2303BC distance=79' 20127+1806 J 2303AB (Sansuna) distance=79' 20137+1904 J 3062 distance=79' 20229+1728 BPMA246 distance=85' 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 20182+1820 HU 357 195 1.8
Show 20204+1825 J 3076 209 5.9 17
Show 20203+1826 J 3075 104 4.9 17
Show 20177+1755 J 1340 312 1.8 24
Show 20201+1823 DAM 211 AB 166 7.0 28
Show 20201+1823 DAM 211 AC 233 7.6 28
Show 20170+1805 J 2307 117 6.1 28
Show 20188+1751 J 3314 70 3.4 29
Show 20192+1753 BPM2106 39 22.5 30
Show 20160+1819 BPMA243 320 256.2 32
Show 20159+1822 J 2602 348 2.8 35
Show 20200+1848 HU 359 179 0.2 39
Show 20177+1739 BPMA245 202 257.4 43
Show 20186+1905 J 835 45 3.4 43
Show 20153+1807 BPM2079 251 47.7 44
Show 20164+1745 J 1109 AB 331 6.4 44
Show 20164+1745 J 1109 AC 9 8.4 44
Show 20160+1850 J 508 146 2.9 44
Show 20158+1849 J 507 56 6.1 45
Show 20181+1736 HJ 2946 237 13.9 48
Show 20149+1808 BPM2075 80 115.1 50
Show 20199+1733 HJ 2950 282 14.6 54
Show 20146+1809 J 3064 AB 192 28.8 54
Show 20146+1809 J 3064 BC 220 4.4 54
Show 20202+1734 BPM2116 71 70.5 54
Show 20178+1917 TDT2146 307 0.7 58
Show 20192+1723 J 1247 155 3.1 58
Show 20184+1719 BPM2099 127 114.8 62
Show 20139+1806 BPMA242 194 288.2 64
Show 20147+1856 J 3065 343 6.6 66
Show 20170+1716 OSO 123 AB 264 10.0 67
Show 20170+1716 OSO 123 AC 349 17.9 67
Show 20170+1716 OSO 123 AD 99 21.1 67
Show 20170+1716 OSO 123 AE 44 26.2 67
Show 20196+1925 BRT2525 60 1.9 68
Show 20167+1923 J 3068 133 2.6 68
Show 20139+1751 BPM2067 214 113.1 69
Show 20167+1925 GCB 52 53 4.3 69
Show 20186+1711 BPM2101 265 58.6 69
Show 20224+1745 BPM2132 278 95.1 70
Show 20218+1729 BPM2128 283 75.4 73
Show 20162+1927 FMR 158 41 22.1 74
Show 20159+1714 KPP 465 12 3.7 75
Show 20231+1844 LDS5905 116 3.5 75
Show 20215+1721 KPP1798 235 13.9 75
Show 20193+1705 BPM2109 198 100.7 76
Show 20235+1811 J 839 347 2.1 77
Show 20127+1806 J 2303 BC 322 4.5 79
Show Sansuna 20127+1806 J 2303 AB 50 23.6 79
Show 20137+1904 J 3062 9 5.7 79
Show 20229+1728 BPMA246 219 171.9 85

 
 
WDS 20182+1820 : COMPONENTS
 
 
  A
B pa=194.0°
sep=1.76"
 
 
20182+1820 A
 
 
Componente originario normalizzato AB Name HD 193161 Coord arcsec 2000 201814.41+181941.5 Mag 7.98
Spectral class A3III (white) PmRA 14.00 PmDE 7.0 SAO 105940
HIP 100084 Tycho2 1635-00431-1 HD 193161 BD BD+17 4282
Tycho2
Tycho2 1635-00431-1 Pflag RAmdeg 304.56005360 DEmdeg 18.32820417
PmRA 13.5 PmDE 7.4 E RAmdeg 6 E DEmdeg 6
E pmRA 1.0 E pmDE 1.0 EpRAm 1990.98 EpDEm 1990.85
Num 13 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.0 BTmag 8.140 E BTmag 0.017 VTmag 7.982
E VTmag 0.012 Prox 18 TYC T HIP 100084
CCDM A RAdeg 304.56002056 DEdeg 18.32818694 EpRA 1990 1.65
EpDE 1990 1.46 E RAdeg 5.5 E DEdeg 6.2 Posflg
Corr 0.0
SAO
SAO 105940 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 0.018 Vmag 7.7 SpType A0
Double code Source 28 CatNum 8090 DM BD+17 4282
DMcomp BDsup HD 193161 M HD 0
GC RA1950rad 5.30571143 DE1950rad 0.31714793 PmRA2000 0.0003
PmDE2000 0.016
Hipparcos
Catalog H HIP 100084 Proxy H RAhms 20 18 14.40
DEdms +18 19 41.5 Vmag 7.92 VarFlag R Vmag G
RAdeg 304.56 DEdeg 18.3282 AstroRef A Plx 3.93
CCDM 20182+1820 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 194 Rho 1.801 HD 193161 BD BD+17 4282
CD CP Dm number +17 4282 VIred 0.15
SpType Am... R SpType Coord arcsec 2000 201814.40+181941.5
Hipparcos 2
HIP 100084 Sn 15 So 3 Nc 2
RArad 5.3155750855 DErad 0.3198872683 Plx 5.96 PmRA 15.06
PmDE 2.73 E RArad 0.71 E DErad 0.73 E Plx 1.06
E pmRA 0.73 E pmDE 0.82 Hpmag 7.9742 E Hpmag 0.0013
SHp 0.012 VA 0 BV 0.133 E BV 0.013
VI 0.15
CCDM
Ccdm 20182+1820 RComp Comp A Note1
Note2 Discov num DRAs 2.37 DDEs -18.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp A0 PmNote *
PmRA 6 PmDE 9 Dm number +17 4282 Cat1 BD
Name2 +18 2013 Cat2 AGK2/3 HD 193161 M HD
ADS BDS A13662 M ADS BDS N IDS IDS 20137N1801A
HIC 100084
 
 
20182+1820 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201814.38+181939.8 Mag 10.94 PmRA 16.00
PmDE 5.0 Calc delta mag 2.96 Calc coord yes
CCDM
Ccdm 20182+1820 RComp Comp B Note1
Note2 Discov num HU 357 DRAs DDEs
R dRAs Year 1901 Theta 196 Rho 1.8
Obs 6 Vmag 12.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13662 M ADS BDS N IDS IDS 20137N1801B
HIC 100084