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Current system
18086-1823
GAU 9002
HD 165811


Nearby doubles
6' : 18089-1827
ARA 453

7' : 18090-1825
HJ 2819

9' : 18090-1815
ARA 454

10' : 18093-1827
ARA 455

11' : 18094-1822
FEN 26

26' : 18082-1847
ARA 452

27' : 18087-1756
ARA 266AB

32' : 18078-1852
ARA 451

34' : 18084-1856
I 625AB

39' : 18089-1901
ARA 731

44' : 18115-1807
ARA 457

45' : 18118-1825
HJ 2820AB

46' : 18067-1859
HJ 592

47' : 18105-1745
J 2197AB

53' : 18077-1913
ARA 729

56' : 18120-1852
OCC9177

57' : 18124-1840
KPP4092

60' : 18118-1903
I 1479

61' : 18125-1847
ARA 460

61' : 18126-1804
ARA 461

62' : 18130-1819
TDT 739

63' : 18125-1852
VAT 2

63' : 18055-1906
ARA 727

63' : 18081-1925
ARA 730AB

65' : 18069-1923
A 2258

67' : 18133-1817
ARA 462



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

18086-1823 GAU 9002 (HD 165811)

 
 
18h 08m 37.68s -18° 22' 36.7" P.A. 125.00 sep 26.8 mag 10.41,11.22 Sp B8/9Ib
 
 
Coord 2000 18086-1823 Discov num GAU9002 Comp Coord arcsec 2000 18 08 37.68 -18 22 36.7
Date first 1916 Date last 2018 Obs 11
Pa first 124 Pa last 124.6 P.A. Now (θ) 124.6°
Sep first 26.2 Sep last 26.754 Sep. Now (ρ) 26.754"
Mag pri 10.41 Mag sec 11.22 delta mag (ΔM) 0.81 Spectral class B8/9Ib (blue-white)
Pri motion ra +000 Sec motion ra -001
Pri motion dec +000 Sec motion dec -003
Notes
rPM=1
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 165811 Constellation Sagittarius Tycho2 6268-01423-1 Gaia DR2 4095772180305738752
HD 165811
 
 
WDS 18086-1823 GAU 9002 (HD 165811) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Gau1923 Ma - Gauchet, P.L. 1923JO......6...73G
Gau1923 J. Obs. 6, 73, 1923
Gau1925 Ma - Gauchet, P.L. 1925AJ.....36...67G
Gau1925 +Pa AJ 36, 67, 1925
Gau1925b Pa j Gauchet, P.L. 1925JO......8...65G
Gau1925b +Ma J. Obs. 8, 65, 1925
Gau1926a Pa - Gauchet, P.L. .
Gau1926a +Po Ann. Shanghai Obs. Zo-Se 14, 131, 1926
Gau1926b Ma - Gauchet, P.L. 1926AJ.....37...47G
Gau1926b AJ 37, 47, 1926
Gau1928 Pa - Gauchet, P.L. 1928JO.....11..112G
Gau1928 J. Obs. 11, 112, 1928
Gau1932A - Gauchet, P.L. 1932QB821.A43......
Gau1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18086-1823 GAU9002 2000 3 125 26.7 10.40 11.20 B8/9Ib 180837.68-182236.7
18086-1823 GAU9002 2017 10 125 26.7 10.41 11.22 B8/9Ib 180837.68-182236.7
18086-1823 GAU9002 2018 11 125 26.8 10.41 11.22 B8/9Ib 180837.68-182236.7

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

 
 
WDS 18086-1823 GAU 9002 (HD 165811) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18086-1823 GAU 9002 (HD 165811) : MEASURES
 
 
No records found.

 
 
WDS 18086-1823 (HD 165811) : VIRTUAL EYEPIECE
 
 

18086-1823 GAU9002A mag 10.41 Sp B8/9Ib 18086-1823 GAU9002B sep 25.8 P.A. 126.00 mag 11.22 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18086-1823 (HD 165811) : ALADIN DSS IMAGE @ 18h 08m 37.68s -18° 22' 36.7"
 
 
 
 
WDS 18086-1823 GAU 9002 (HD 165811) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18086-1823 GAU9002 distance=1' 18089-1827 ARA 453 distance=6' 18090-1825 HJ 2819 distance=7' 18090-1815 ARA 454 distance=9' 18093-1827 ARA 455 distance=10' 18094-1822 FEN 26 distance=11' 18082-1847 ARA 452 distance=26' 18087-1756 TDT 706Aa,Ab distance=27' 18087-1756 ARA 266AB distance=27' 18078-1852 ARA 451 distance=32' 18084-1856 AOT 70CD distance=34' 18084-1856 I 625AB distance=34' 18084-1856 AOT 69AB,C distance=34' 18084-1856 AOT 70AB,D distance=34' 18072-1854 STN 41A,BC distance=38' 18072-1854 A 2259BC distance=38' 18089-1901 ARA 731 distance=39' 18115-1807 ARA 457 distance=44' 18118-1825 HJ 2820BC distance=45' 18118-1825 HJ 2820AB distance=45' 18118-1825 HJ 2820AC distance=45' 18067-1859 HJ 592 distance=46' 18105-1745 J 2197AB distance=47' 18105-1745 J 2197BC distance=47' 18077-1913 ARA 729 distance=53' 18120-1852 OCC9177 distance=56' 18124-1840 KPP4092 distance=57' 18118-1903 I 1479 distance=60' 18125-1847 ARA 460 distance=61' 18126-1804 ARA 461 distance=61' 18130-1819 TDT 739 distance=62' 18125-1852 VAT 2 distance=63' 18081-1925 AOT 68BC distance=63' 18055-1906 ARA 727 distance=63' 18081-1925 ARA 730AB distance=63' 18081-1925 AOT 68AC distance=63' 18069-1923 A 2258 distance=65' 18133-1817 ARA 462 distance=67' 18125-1901 SKF 95 distance=68' 18048-1902 OCC 536 distance=68' 18039-1832 ARA 450 distance=68' 18047-1903 B 2852 distance=70' 18101-1929 SKF 934 distance=70' 18112-1723 RST3161 distance=70' 18095-1712 SKF 94AB distance=72' 18095-1712 SKF 94AC distance=72' 18079-1709 ARA 265 distance=75' 18137-1845 FEN 28 distance=76' 18099-1710 ARA 267 distance=76' 18066-1712 HJ 2818 distance=77' 18138-1847 HJ 594AB distance=78' 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 18086-1823 GAU9002 125 26.8 1
Show 18089-1827 ARA 453 57 8.8 6
Show 18090-1825 HJ 2819 113 23.3 7
Show 18090-1815 ARA 454 349 14.6 9
Show 18093-1827 ARA 455 97 11.5 10
Show 18094-1822 FEN 26 46 5.0 11
Show 18082-1847 ARA 452 263 12.5 26
Show 18087-1756 TDT 706 Aa,Ab 98 0.8 27
Show 18087-1756 ARA 266 AB 125 11.9 27
Show 18078-1852 ARA 451 182 7.7 32
Show 18084-1856 AOT 70 CD 286 35.5 34
Show 18084-1856 I 625 AB 44 1.8 34
Show 18084-1856 AOT 69 AB,C 92 16.8 34
Show 18084-1856 AOT 70 AB,D 299 19.6 34
Show 18072-1854 STN 41 A,BC 211 29.8 38
Show 18072-1854 A 2259 BC 202 1.3 38
Show 18089-1901 ARA 731 224 6.3 39
Show 18115-1807 ARA 457 3 14.3 44
Show 18118-1825 HJ 2820 BC 87 18.5 45
Show 18118-1825 HJ 2820 AB 279 5.8 45
Show 18118-1825 HJ 2820 AC 82 12.9 45
Show 18067-1859 HJ 592 206 36.6 46
Show 18105-1745 J 2197 AB 109 72.6 47
Show 18105-1745 J 2197 BC 82 6.2 47
Show 18077-1913 ARA 729 343 13.1 53
Show 18120-1852 OCC9177 -1 0.0 56
Show 18124-1840 KPP4092 335 1.6 57
Show 18118-1903 I 1479 237 2.0 60
Show 18125-1847 ARA 460 86 13.7 61
Show 18126-1804 ARA 461 313 10.8 61
Show 18130-1819 TDT 739 253 2.2 62
Show 18125-1852 VAT 2 86 7.6 63
Show 18081-1925 AOT 68 BC 298 11.9 63
Show 18055-1906 ARA 727 24 9.9 63
Show 18081-1925 ARA 730 AB 330 12.6 63
Show 18081-1925 AOT 68 AC 314 23.6 63
Show 18069-1923 A 2258 138 0.4 65
Show 18133-1817 ARA 462 343 14.8 67
Show 18125-1901 SKF 95 122 5.9 68
Show 18048-1902 OCC 536 -1 0.1 68
Show 18039-1832 ARA 450 66 8.0 68
Show 18047-1903 B 2852 144 4.1 70
Show 18101-1929 SKF 934 352 2.4 70
Show 18112-1723 RST3161 241 0.4 70
Show 18095-1712 SKF 94 AB 243 4.6 72
Show 18095-1712 SKF 94 AC 279 6.2 72
Show 18079-1709 ARA 265 326 14.2 75
Show 18137-1845 FEN 28 256 3.6 76
Show 18099-1710 ARA 267 348 14.7 76
Show 18066-1712 HJ 2818 139 17.7 77
Show 18138-1847 HJ 594 AB 121 7.6 78

 
 
WDS 18086-1823 : COMPONENTS
 
 
  A
B pa=126.0°
sep=25.84"
 
 
18086-1823 A
 
 
Componente originario normalizzato AB Name HD 165811 Coord arcsec 2000 180837.68-182236.7 Mag 10.41
Spectral class B8/9Ib (blue-white) PmRA 0.00 PmDE 0.0 Tycho2 6268-01423-1
HD 165811
Tycho2
Tycho2 6268-01423-1 Pflag RAmdeg 272.15699649 DEmdeg -18.37687214
PmRA -1.0 PmDE 0.0 E RAmdeg 23 E DEmdeg 31
E pmRA 2.5 E pmDE 2.6 EpRAm 1990.82 EpDEm 1989.91
Num 3 Q RAmdeg 1.2 Q DEmdeg 0.6 Q pmRA 1.2
Q pmDE 0.6 BTmag 10.588 E BTmag 0.041 VTmag 10.411
E VTmag 0.046 Prox 266 TYC T HIP
CCDM RAdeg 272.15699861 DEdeg -18.37687222 EpRA 1990 1.92
EpDE 1990 1.86 E RAdeg 23.0 E DEdeg 30.5 Posflg
Corr -0.1
 
 
18086-1823 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180839.15-182251.9 Mag 11.22 PmRA -1.00
PmDE -3.0 Tycho2 6268-00809-1 HD 312628 Calc delta mag 0.81
Calc coord yes
Tycho2
Tycho2 6268-00809-1 Pflag RAmdeg 272.16342116 DEmdeg -18.38108269
PmRA -0.9 PmDE -5.0 E RAmdeg 46 E DEmdeg 61
E pmRA 2.7 E pmDE 2.9 EpRAm 1987.98 EpDEm 1985.37
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.9 Q pmRA 0.1
Q pmDE 0.9 BTmag 11.565 E BTmag 0.081 VTmag 11.216
E VTmag 0.098 Prox 266 TYC T HIP
CCDM RAdeg 272.16342333 DEdeg -18.38107139 EpRA 1990 1.92
EpDE 1990 1.85 E RAdeg 47.1 E DEdeg 63.6 Posflg
Corr -0.1