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Doubles in session


Current system
18108-1709
HJ 593 AC


Nearby doubles
11' : 18103-1700
ARA 268

13' : 18099-1710
ARA 267

16' : 18112-1723
RST3161

19' : 18095-1712
SKF 94AB

24' : 18106-1645
S 700AB

28' : 18112-1642
RST4000

37' : 18105-1745
J 2197AB

42' : 18079-1709
ARA 265

46' : 18107-1624
FEN 27

50' : 18093-1624
BRT 627

51' : 18080-1637
RST3996

54' : 18102-1616
ARA 98

56' : 18087-1756
ARA 266AB

59' : 18128-1618
HJ 2821AB

60' : 18115-1807
ARA 457

61' : 18066-1712
HJ 2818

62' : 18126-1804
ARA 461

64' : 18143-1631
J 1648

65' : 18146-1742
SKF 96

66' : 18117-1605
J 1620AB

70' : 18146-1750
ARA 269

70' : 18154-1648
HJ 2824

71' : 18140-1801
TDT 754

71' : 18152-1738
ARA 270

72' : 18090-1815
ARA 454

73' : 18157-1658
FOX 223



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.

18108-1709 HJ 593 AC

 
 
18h 10m 45.10s -17° 08' 38.5" P.A. 312.00 sep 19.8 mag 8.62,9.60 Sp G8/K0III
 
 
Coord 2000 18108-1709 Discov num HJ  593 Comp AC Coord arcsec 2000 18 10 45.10 -17 08 38.5
Date first 1890 Date last 2018 Obs 17
Pa first 301 Pa last 312 P.A. Now (θ) 312°
Sep first 17.3 Sep last 19.792 Sep. Now (ρ) 19.792"
Mag pri 8.62 Mag sec 9.60 delta mag (ΔM) 0.98 Spectral class G8/K0III (yellow)
Pri motion ra -006 Sec motion ra +001
Pri motion dec -036 Sec motion dec +000
Notes
rPM=1.005
This double is not physical.
 
 
18108-1709 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 166305 161146 18 10 45 -17 08 38 HU 195 AB 1991 4 71 1.3 8.62 10.79 2.17
Show 161146 18 10 45 -17 08 38 HJ 593 AC 2018 17 312 19.8 8.62 9.60 0.98 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 161146 Tycho2 6268-01365-1 Gaia DR2 4096020566859972608
HD 166305
 
 
WDS 18108-1709 HJ 593 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
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
18108-1709 HJ 593 AC 2004 14 310 19.3 8.62 9.60 D 181045.10-170838.5
18108-1709 HJ 593 AC 2017 17 313 19.9 8.62 9.60 G8/K0III 181045.10-170838.5
18108-1709 HJ 593 AC 2018 18 313 19.8 8.62 9.60 G8/K0III 181045.10-170838.5

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

 
 
WDS 18108-1709 HJ 593 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18108-1709 HJ 593 AC : MEASURES
 
 
No records found.

 
 
WDS 18108-1709 : VIRTUAL EYEPIECE
 
 

18108-1709 HU 195A mag 8.62 Sp G8/K0III 18108-1709 HU 195B sep 1.3 P.A. 69.70 mag 10.79 18108-1709 HJ 593C sep 19.3 P.A. 313.30 mag 9.6 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 18108-1709 : ALADIN DSS IMAGE @ 18h 10m 45.10s -17° 08' 38.5"
 
 
 
 
WDS 18108-1709 HJ 593 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18108-1709 HJ 593AC distance=0' 18103-1700 ARA 268 distance=11' 18099-1710 ARA 267 distance=13' 18112-1723 RST3161 distance=16' 18095-1712 SKF 94AB distance=19' 18095-1712 SKF 94AC distance=19' 18106-1645 S 700AB distance=24' 18106-1645 S 700AC distance=24' 18106-1645 ABH 94AD distance=24' 18106-1645 ABH 94AE distance=24' 18106-1645 ABH 94AF distance=24' 18106-1645 S 700AG distance=24' 18112-1642 RST4000 distance=28' 18105-1745 J 2197AB distance=37' 18105-1745 J 2197BC distance=38' 18079-1709 ARA 265 distance=42' 18107-1624 FEN 27 distance=46' 18093-1624 BRT 627 distance=50' 18080-1637 RST3996 distance=51' 18102-1616 ARA 98 distance=54' 18087-1756 TDT 706Aa,Ab distance=56' 18087-1756 ARA 266AB distance=56' 18128-1618 HJ 2821AB distance=59' 18128-1618 BU 1463AC distance=59' 18115-1807 ARA 457 distance=60' 18066-1712 HJ 2818 distance=61' 18126-1804 ARA 461 distance=62' 18143-1631 J 1648 distance=64' 18146-1742 SKF 96 distance=65' 18117-1605 J 1620BC distance=66' 18117-1605 J 1620BD distance=66' 18117-1605 J 1620AB distance=66' 18117-1605 ABH 95AE distance=66' 18117-1605 ABH 95AF distance=66' 18146-1750 ARA 269 distance=70' 18154-1648 HJ 2824 distance=70' 18140-1801 TDT 754 distance=71' 18152-1738 ARA 270 distance=71' 18090-1815 ARA 454 distance=72' 18157-1658 FOX 223 distance=73' 18155-1738 ARA 271 distance=75' 18159-1706 FOX 224 distance=75' 18118-1825 HJ 2820BC distance=76' 18118-1825 HJ 2820AB distance=76' 18118-1825 HJ 2820AC distance=76' 18160-1713 ARA 273 distance=76' 18094-1822 FEN 26 distance=77' 18130-1819 TDT 739 distance=77' 18133-1817 ARA 462 distance=78' 18160-1736 OCC9064 distance=80' 18090-1825 HJ 2819 distance=80' 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 18108-1709 HU 195 AB 71 1.3
Show 18108-1709 HJ 593 AC 312 19.8
Show 18103-1700 ARA 268 304 14.0 11
Show 18099-1710 ARA 267 348 14.7 13
Show 18112-1723 RST3161 241 0.4 16
Show 18095-1712 SKF 94 AB 243 4.6 19
Show 18095-1712 SKF 94 AC 279 6.2 19
Show 18106-1645 S 700 AB 291 18.8 24
Show 18106-1645 S 700 AC 353 28.6 24
Show 18106-1645 ABH 94 AD 348 47.7 24
Show 18106-1645 ABH 94 AE 65 58.0 24
Show 18106-1645 ABH 94 AF 49 99.2 24
Show 18106-1645 S 700 AG 297 35.6 24
Show 18112-1642 RST4000 292 0.5 28
Show 18105-1745 J 2197 AB 109 72.6 37
Show 18105-1745 J 2197 BC 82 6.2 38
Show 18079-1709 ARA 265 326 14.2 42
Show 18107-1624 FEN 27 21 4.6 46
Show 18093-1624 BRT 627 220 4.6 50
Show 18080-1637 RST3996 90 0.2 51
Show 18102-1616 ARA 98 76 9.0 54
Show 18087-1756 TDT 706 Aa,Ab 98 0.8 56
Show 18087-1756 ARA 266 AB 125 11.9 56
Show 18128-1618 HJ 2821 AB 278 7.8 59
Show 18128-1618 BU 1463 AC 12 53.1 59
Show 18115-1807 ARA 457 3 14.3 60
Show 18066-1712 HJ 2818 139 17.7 61
Show 18126-1804 ARA 461 313 10.8 62
Show 18143-1631 J 1648 90 6.2 64
Show 18146-1742 SKF 96 50 3.3 65
Show 18117-1605 J 1620 BC 235 7.3 66
Show 18117-1605 J 1620 BD 11 8.0 66
Show 18117-1605 J 1620 AB 272 27.8 66
Show 18117-1605 ABH 95 AE 346 46.8 66
Show 18117-1605 ABH 95 AF 300 120.2 66
Show 18146-1750 ARA 269 68 14.6 70
Show 18154-1648 HJ 2824 74 21.9 70
Show 18140-1801 TDT 754 91 0.5 71
Show 18152-1738 ARA 270 333 15.0 71
Show 18090-1815 ARA 454 349 14.6 72
Show 18157-1658 FOX 223 325 5.6 73
Show 18155-1738 ARA 271 255 8.9 75
Show 18159-1706 FOX 224 42 6.5 75
Show 18118-1825 HJ 2820 BC 87 18.5 76
Show 18118-1825 HJ 2820 AB 279 5.8 76
Show 18118-1825 HJ 2820 AC 82 12.9 76
Show 18160-1713 ARA 273 271 8.7 76
Show 18094-1822 FEN 26 46 5.0 77
Show 18130-1819 TDT 739 253 2.2 77
Show 18133-1817 ARA 462 343 14.8 78
Show 18160-1736 OCC9064 295 0.0 80

 
 
WDS 18108-1709 : COMPONENTS
 
 
  A B
B pa=69.7°
sep=1.26"
 
C pa=313.3°
sep=19.31"
pa=310.0°
sep=19.90"
 
 
18108-1709 A
 
 
Name HD 166305 Coord arcsec 2000 181045.10-170838.5 Mag 8.62 Spectral class G8/K0III (yellow)
PmRA -3.00 PmDE -41.0 SAO 161146 Tycho2 6268-01365-1
HD 166305 DM BD-17 5052
Tycho2
Tycho2 6268-01365-1 Pflag P RAmdeg 272.68794144 DEmdeg -17.14405118
PmRA -2.9 PmDE -40.9 E RAmdeg 9 E DEmdeg 12
E pmRA 2.7 E pmDE 2.6 EpRAm 1991.72 EpDEm 1991.51
Num 4 Q RAmdeg 1.1 Q DEmdeg 1.8 Q pmRA 1.1
Q pmDE 1.8 BTmag 9.933 E BTmag 0.027 VTmag 8.620
E VTmag 0.015 Prox 13 TYC T HIP
CCDM RAdeg 272.68790556 DEdeg -17.14397250 EpRA 1990 1.88
EpDE 1990 1.81 E RAdeg 8.6 E DEdeg 11.6 Posflg D
Corr -0.1
SAO
SAO 161146 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 -0.038 Vmag 8.8 SpType G5
Double code Source 21 CatNum 6573 DM BD-17 5052
DMcomp BDsup HD 166305 M HD 0
GC RA1950rad 4.7466238 DE1950rad -0.2994089 PmRA2000 0.0009
PmDE2000 -0.036
CCDM
Ccdm 18108-1709 RComp Comp A Note1
Note2 Discov num DRAs -2.87 DDEs 21.2
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.5 Sp G5 PmNote *
PmRA 10 PmDE -38 Dm number -17 5052 Cat1 BD
Name2 161146 Cat2 SAO HD 166305 M HD
ADS BDS A11120 M ADS BDS N IDS IDS 18049S1710A
HIC
 
 
18108-1709 B
 
 
Coord arcsec 2000 181045.18-170838.1 Mag 10.79 PmRA -3.00 PmDE -41.0
Tycho2 6268-01365-2 Calc delta mag 2.17 Calc coord yes
Tycho2
Tycho2 6268-01365-2 Pflag P RAmdeg 272.68794144 DEmdeg -17.14405118
PmRA -2.9 PmDE -40.9 E RAmdeg 9 E DEmdeg 12
E pmRA 2.7 E pmDE 2.6 EpRAm 1991.72 EpDEm 1991.51
Num 4 Q RAmdeg 1.1 Q DEmdeg 1.8 Q pmRA 1.1
Q pmDE 1.8 BTmag 11.485 E BTmag 0.083 VTmag 10.789
E VTmag 0.075 Prox 13 TYC HIP
CCDM RAdeg 272.68826500 DEdeg -17.14385083 EpRA 1990 1.88
EpDE 1990 1.80 E RAdeg 43.5 E DEdeg 59.4 Posflg D
Corr -0.1
CCDM
Ccdm 18108-1709 RComp Comp B Note1
Note2 Discov num HU 195 DRAs DDEs
R dRAs Year 1900 Theta 074 Rho 1.1
Obs 3 Vmag 12.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11120 M ADS BDS N IDS IDS 18049S1710B
HIC
 
 
18108-1709 C
 
 
Coord arcsec 2000 181044.12-170825.3 Mag 9.6 PmRA 1.00 PmDE 0.0
Tycho2 6268-02535-1 Calc delta mag 0.98 Calc coord yes
Tycho2
Tycho2 6268-02535-1 Pflag RAmdeg 272.68363764 DEmdeg -17.14050311
PmRA 2.9 PmDE 0.1 E RAmdeg 15 E DEmdeg 19
E pmRA 1.8 E pmDE 1.6 EpRAm 1990.33 EpDEm 1986.77
Num 6 Q RAmdeg 1.2 Q DEmdeg 1.1 Q pmRA 1.2
Q pmDE 1.1 BTmag 10.046 E BTmag 0.031 VTmag 9.601
E VTmag 0.028 Prox 193 TYC T HIP
CCDM RAdeg 272.68363028 DEdeg -17.14050139 EpRA 1990 1.89
EpDE 1990 1.79 E RAdeg 15.2 E DEdeg 20.6 Posflg
Corr -0.2
CCDM
Ccdm 18108-1709 RComp Comp C Note1
Note2 Discov num HJ 593 DRAs -3.85 DDEs 35.2
R dRAs 10 Year 1890 Theta 302 Rho 17.9
Obs 6 Vmag 9.5 Sp PmNote *
PmRA 27 PmDE 10 Dm number -17 5051 Cat1 BD
Name2 161145 Cat2 SAO HD M HD
ADS BDS A11120 M ADS BDS N IDS IDS 18049S1710C
HIC