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Doubles in session


Current system
18067-1859
HJ 592
HD 165421


Nearby doubles
17' : 18078-1852
ARA 451

20' : 18055-1906
ARA 727

20' : 18077-1913
ARA 729

24' : 18084-1856
I 625AB

25' : 18069-1923
A 2258

25' : 18082-1847
ARA 452

28' : 18048-1902
OCC 536

29' : 18047-1903
B 2852

32' : 18089-1901
ARA 731

33' : 18081-1925
ARA 730AB

42' : 18063-1941
J 1619

43' : 18039-1913
B 2431

45' : 18036-1859
TSN 185

45' : 18089-1827
ARA 453

46' : 18086-1823
GAU9002

48' : 18046-1936
HJ 2817

48' : 18039-1832
ARA 450

48' : 18090-1825
HJ 2819

49' : 18093-1827
ARA 455

52' : 18033-1919
BRT1512

53' : 18094-1822
FEN 26

55' : 18090-1815
ARA 454

57' : 18063-1955
OCC9174

57' : 18101-1929
SKF 934

62' : 18025-1916
BHA 22

63' : 18023-1903
ARA 722



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.

18067-1859 HJ 592 (HD 165421)

 
 
18h 06m 42.78s -18° 59' 02.8" P.A. 206.00 sep 36.6 mag 8.06,10.16 Sp A3III dist. 163.67 pc (533.89 l.y.)
 
 
Coord 2000 18067-1859 Discov num HJ  592 Comp Coord arcsec 2000 18 06 42.78 -18 59 02.8
Date first 1830 Date last 2017 Obs 15
Pa first 206 Pa last 206.4 P.A. Now (θ) 206.4°
Sep first 32.5 Sep last 36.647 Sep. Now (ρ) 36.647"
Mag pri 8.06 Mag sec 10.16 delta mag (ΔM) 2.1 Spectral class A3III (white)
Pri motion ra +004 Sec motion ra +002
Pri motion dec +001 Sec motion dec +000
Notes
rPM=0.542
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 165421 Constellation Sagittarius SAO 161077 HIP 88718
Tycho2 6259-02536-1 Gaia DR2 4095361444011528576 HD 165421 BD BD-18 4789
Distance 163.67 Distance ly 533.89
 
 
WDS 18067-1859 HJ 592 (HD 165421) : 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.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18067-1859 HJ 592 2003 11 207 36.5 8.06 10.16 A3III D 180642.78-185902.8
18067-1859 HJ 592 2010 13 207 36.7 8.06 10.16 A3III 180642.78-185902.8
18067-1859 HJ 592 2017 14 207 36.6 8.06 10.16 A3III 180642.78-185902.8

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

 
 
WDS 18067-1859 HJ 592 (HD 165421) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18067-1859 HJ 592 (HD 165421) : MEASURES
 
 
No records found.

 
 
WDS 18067-1859 (HD 165421) : VIRTUAL EYEPIECE
 
 

18067-1859 HJ 592A mag 8.06 Sp A3III 18067-1859 HJ 592B sep 36.3 P.A. 205.10 mag 10.16 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 18067-1859 (HD 165421) : ALADIN DSS IMAGE @ 18h 06m 42.78s -18° 59' 02.8"
 
 
 
 
WDS 18067-1859 HJ 592 (HD 165421) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18067-1859 HJ 592 distance=0' 18072-1854 A 2259BC distance=9' 18072-1854 STN 41A,BC distance=9' 18078-1852 ARA 451 distance=17' 18055-1906 ARA 727 distance=20' 18077-1913 ARA 729 distance=20' 18084-1856 I 625AB distance=24' 18084-1856 AOT 69AB,C distance=24' 18084-1856 AOT 70AB,D distance=24' 18084-1856 AOT 70CD distance=24' 18069-1923 A 2258 distance=25' 18082-1847 ARA 452 distance=25' 18048-1902 OCC 536 distance=28' 18047-1903 B 2852 distance=29' 18089-1901 ARA 731 distance=32' 18081-1925 AOT 68BC distance=33' 18081-1925 ARA 730AB distance=33' 18081-1925 AOT 68AC distance=33' 18063-1941 J 1619 distance=42' 18039-1913 B 2431 distance=43' 18039-1913 OCC 537Aa,Ab distance=43' 18036-1859 TSN 185 distance=45' 18089-1827 ARA 453 distance=45' 18086-1823 GAU9002 distance=46' 18046-1936 HJ 2817 distance=48' 18039-1832 ARA 450 distance=48' 18090-1825 HJ 2819 distance=48' 18093-1827 ARA 455 distance=49' 18033-1919 BRT1512 distance=52' 18094-1822 FEN 26 distance=53' 18090-1815 ARA 454 distance=55' 18063-1955 OCC9174 distance=57' 18101-1929 SKF 934 distance=57' 18025-1916 BHA 22 distance=62' 18023-1903 ARA 722 distance=63' 18070-2005 ARA1134 distance=67' 18087-1756 TDT 706Aa,Ab distance=69' 18087-1756 ARA 266AB distance=69' 18118-1903 I 1479 distance=72' 18062-2012 J 1618 distance=73' 18120-1852 OCC9177 distance=75' 18097-2007 BRT1514 distance=80' 18118-1825 HJ 2820BC distance=81' 18118-1825 HJ 2820AB distance=81' 18118-1825 HJ 2820AC distance=81' 18068-2021 DON 882 distance=83' 18112-1951 OCC9175Ba,Bb distance=83' 18112-1951 BU 132AB distance=83' 18112-1951 TOK 57Aa,Ab distance=83' 18125-1901 SKF 95 distance=83' 18125-1852 VAT 2 distance=83' 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 18067-1859 HJ 592 206 36.6
Show 18072-1854 A 2259 BC 202 1.3 9
Show 18072-1854 STN 41 A,BC 211 29.8 9
Show 18078-1852 ARA 451 182 7.7 17
Show 18055-1906 ARA 727 24 9.9 20
Show 18077-1913 ARA 729 343 13.1 20
Show 18084-1856 I 625 AB 44 1.8 24
Show 18084-1856 AOT 69 AB,C 92 16.8 24
Show 18084-1856 AOT 70 AB,D 299 19.6 24
Show 18084-1856 AOT 70 CD 286 35.5 24
Show 18069-1923 A 2258 138 0.4 25
Show 18082-1847 ARA 452 263 12.5 25
Show 18048-1902 OCC 536 -1 0.1 28
Show 18047-1903 B 2852 144 4.1 29
Show 18089-1901 ARA 731 224 6.3 32
Show 18081-1925 AOT 68 BC 298 11.9 33
Show 18081-1925 ARA 730 AB 330 12.6 33
Show 18081-1925 AOT 68 AC 314 23.6 33
Show 18063-1941 J 1619 188 6.8 42
Show 18039-1913 B 2431 285 9.7 43
Show 18039-1913 OCC 537 Aa,Ab 104 0.9 43
Show 18036-1859 TSN 185 325 0.2 45
Show 18089-1827 ARA 453 57 8.8 45
Show 18086-1823 GAU9002 125 26.8 46
Show 18046-1936 HJ 2817 275 13.4 48
Show 18039-1832 ARA 450 66 8.0 48
Show 18090-1825 HJ 2819 113 23.3 48
Show 18093-1827 ARA 455 97 11.5 49
Show 18033-1919 BRT1512 34 3.8 52
Show 18094-1822 FEN 26 46 5.0 53
Show 18090-1815 ARA 454 349 14.6 55
Show 18063-1955 OCC9174 -1 0.0 57
Show 18101-1929 SKF 934 352 2.4 57
Show 18025-1916 BHA 22 63 3.8 62
Show 18023-1903 ARA 722 269 7.2 63
Show 18070-2005 ARA1134 280 11.7 67
Show 18087-1756 TDT 706 Aa,Ab 98 0.8 69
Show 18087-1756 ARA 266 AB 125 11.9 69
Show 18118-1903 I 1479 237 2.0 72
Show 18062-2012 J 1618 359 8.9 73
Show 18120-1852 OCC9177 -1 0.0 75
Show 18097-2007 BRT1514 22 4.6 80
Show 18118-1825 HJ 2820 BC 87 18.5 81
Show 18118-1825 HJ 2820 AB 279 5.8 81
Show 18118-1825 HJ 2820 AC 82 12.9 81
Show 18068-2021 DON 882 119 1.8 83
Show 18112-1951 OCC9175 Ba,Bb -1 0.0 83
Show 18112-1951 BU 132 AB 187 1.4 83
Show 18112-1951 TOK 57 Aa,Ab 16 0.0 83
Show 18125-1901 SKF 95 122 5.9 83
Show 18125-1852 VAT 2 86 7.6 83

 
 
WDS 18067-1859 : COMPONENTS
 
 
  A
B pa=205.1°
sep=36.26"
 
 
18067-1859 A
 
 
Componente originario normalizzato AB Name HD 165421 Coord arcsec 2000 180642.78-185902.8 Mag 8.06
Spectral class A3III (white) PmRA 4.00 PmDE 1.0 SAO 161077
HIP 88718 Tycho2 6259-02536-1 HD 165421 BD BD-18 4789
Tycho2
Tycho2 6259-02536-1 Pflag RAmdeg 271.67826590 DEmdeg -18.98410283
PmRA 4.3 PmDE 1.0 E RAmdeg 6 E DEmdeg 7
E pmRA 0.8 E pmDE 0.8 EpRAm 1990.62 EpDEm 1990.38
Num 21 Q RAmdeg 0.7 Q DEmdeg 0.9 Q pmRA 0.8
Q pmDE 0.9 BTmag 8.420 E BTmag 0.017 VTmag 8.057
E VTmag 0.013 Prox 366 TYC T HIP 88718
CCDM RAdeg 271.67825611 DEdeg -18.98410528 EpRA 1990 1.87
EpDE 1990 1.87 E RAdeg 5.7 E DEdeg 6.9 Posflg
Corr 0.0
SAO
SAO 161077 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 0.012 Vmag 7.3 SpType A0
Double code Source 22 CatNum 7467 DM BD-18 4789
DMcomp BDsup HD 165421 M HD 0
GC RA1950rad 4.7288256 DE1950rad -0.33144477 PmRA2000 0.0012
PmDE2000 0.013
Hipparcos
Catalog H HIP 88718 Proxy RAhms 18 06 42.78
DEdms -18 59 02.8 Vmag 8.01 VarFlag R Vmag H
RAdeg 271.678 DEdeg -18.9841 AstroRef Plx 5.66
CCDM 18067-1859 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 165421 BD BD-18 4789
CD CP Dm number -18 4789 VIred 0.49
SpType A3III R SpType Coord arcsec 2000 180642.78-185902.8
Hipparcos 2
HIP 88718 Sn 5 So 0 Nc 1
RArad 4.7416800542 DErad -0.3313351758 Plx 6.11 PmRA 3.2
PmDE 2.68 E RArad 0.95 E DErad 0.67 E Plx 1.22
E pmRA 1.17 E pmDE 0.75 Hpmag 8.0944 E Hpmag 0.0021
SHp 0.013 VA 0 BV 0.358 E BV 0.015
VI 0.42
CCDM
Ccdm 18067-1859 RComp Comp A Note1
Note2 Discov num DRAs 0.79 DDEs -2.8
R dRAs 56 Year Theta Rho
Obs 2 Vmag 7.8 Sp A0 PmNote *
PmRA 20 PmDE -11 Dm number -18 4789 Cat1 BD
Name2 161077 Cat2 SAO HD 165421 M HD
ADS BDS B 8342 M ADS BDS N IDS IDS 18008S1900A
HIC 88718
 
 
18067-1859 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180641.69-185935.6 Mag 10.16 PmRA 2.00
PmDE 0.0 Tycho2 6259-02543-1 Calc delta mag 2.1 Calc coord yes
Tycho2
Tycho2 6259-02543-1 Pflag RAmdeg 271.67346141 DEmdeg -18.99318956
PmRA 7.5 PmDE 0.1 E RAmdeg 28 E DEmdeg 37
E pmRA 1.8 E pmDE 1.9 EpRAm 1988.61 EpDEm 1986.80
Num 5 Q RAmdeg 0.9 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.0 BTmag 10.944 E BTmag 0.065 VTmag 10.156
E VTmag 0.043 Prox 366 TYC T HIP
CCDM RAdeg 271.67344361 DEdeg -18.99318972 EpRA 1990 1.93
EpDE 1990 1.93 E RAdeg 28.5 E DEdeg 38.0 Posflg
Corr 0.0
CCDM
Ccdm 18067-1859 RComp Comp B Note1
Note2 Discov num HJ 592 DRAs -0.43 DDEs -35.1
R dRAs 56 Year 1890 Theta 207 Rho 36.4
Obs 5 Vmag 11.3 Sp PmNote
PmRA 20 PmDE -11 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8342 M ADS BDS N IDS IDS 18008S1900B
HIC