stampa
Login

Create your personal custom set of columns with all data you need.
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
18084-1856
I 625 AB
HD 165744


Nearby doubles
10' : 18082-1847
ARA 452

10' : 18078-1852
ARA 451

10' : 18089-1901
ARA 731

20' : 18077-1913
ARA 729

24' : 18067-1859
HJ 592

29' : 18081-1925
ARA 730AB

30' : 18089-1827
ARA 453

32' : 18093-1827
ARA 455

33' : 18090-1825
HJ 2819

34' : 18086-1823
GAU9002

34' : 18069-1923
A 2258

37' : 18094-1822
FEN 26

42' : 18101-1929
SKF 934

42' : 18090-1815
ARA 454

43' : 18055-1906
ARA 727

49' : 18118-1903
I 1479

51' : 18048-1902
OCC 536

52' : 18120-1852
OCC9177

53' : 18047-1903
B 2852

54' : 18063-1941
J 1619

59' : 18118-1825
HJ 2820AB

60' : 18125-1852
VAT 2

60' : 18125-1901
SKF 95

60' : 18124-1840
KPP4092

61' : 18087-1756
ARA 266AB

61' : 18125-1847
ARA 460



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.

18084-1856 I 625 AB (HD 165744)

 
 
18h 08m 20.97s -18° 55' 50.9" P.A. 44.00 sep 1.8 mag 10.46,10.94 Sp B9III
 
 
Coord 2000 18084-1856 Discov num I   625 Comp AB Coord arcsec 2000 18 08 20.97 -18 55 50.9
Date first 1910 Date last 2015 Obs 11
Pa first 43 Pa last 43.6 P.A. Now (θ) 43.6°
Sep first 1.4 Sep last 1.753 Sep. Now (ρ) 1.753"
Mag pri 10.46 Mag sec 10.94 delta mag (ΔM) 0.48 Spectral class B9III (blue-white)
Pri motion ra -001 Sec motion ra -001
Pri motion dec -008 Sec motion dec -008
Notes
Nature of this double is uncertain.
 
 
18084-1856 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 165744 18 08 21 -18 55 51 I 625 AB 2015 11 44 1.8 10.46 10.94 0.48 <===
Show 18 08 21 -18 55 51 AOT 69 AB,C 1999 4 92 16.8 9.90 12.90 3.00
Show 18 08 21 -18 55 51 AOT 70 AB,D 1999 3 299 19.6 9.90 13.90 4.00
Show 18 08 22 -18 55 52 AOT 70 CD 2015 5 286 35.5 12.90 13.90 1.00
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 165744 Constellation Sagittarius Tycho2 6272-00130-1 Gaia DR2 4095178478403317888
HD 165744
 
 
WDS 18084-1856 I 625 AB (HD 165744) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
AOT Astronomical Obs. Torino (from additional DD list) ...................
I__1895 Ma - Innes, R.T.A. 1895MNRAS..55..312I
I__1895 +Mb MNRAS 55, 312,544, 1895
I__1896 Mb - Innes, R.T.A. 1896JBAA....6..261I
I__1896 J. British Astron. Assoc. 6, 261, 1896
I__1897a Ma - Innes, R.T.A. 1897MNRAS..57..533I
I__1897a MNRAS 57, 533, 1897 (data also in I__1897b, 1897AN....143..171I
I__1897a I__1897c) 1897AN....144...89I
I__1897b Ma - Innes, R.T.A. 1897AN....143..171I
I__1897b AN 143, 171, 1897
I__1897c Ma - Innes, R.T.A. 1897AN....144...89I
I__1897c AN 144, 89, 1897
I__1897d Ma - Innes, R.T.A. 1897AN....145...93I
I__1897d AN 145, 93, 1897
I__1897e Ma - Innes, R.T.A. 1897MNRAS..57..456I
I__1897e +Mb MNRAS 57, 456, 1897
I__1897f Ma - Innes, R.T.A. 1897MNRAS..58...48I
I__1897f MNRAS 58, 48, 1897
I__1897g Ma - Innes, R.T.A. 1897AJ.....18...65I
I__1897g AJ 18, 65, 1897
I__1898 Ma - Innes, R.T.A. 1898AN....146..369I
I__1898 AN 146, 369, 1898
I__1899 Ma - Innes, R.T.A. 1899QB4.C22v2......
I__1899 Ann. Cape Obs. 2, Pt.2, 1899 (Innes Reference Catalog)
I__1901 Ma - Innes, R.T.A. 1901MNRAS..61..575.
I__1901 MNRAS 61, 575, 1901 (data also in I__1905) 1905AnCap...2....4I
I__1902a Ma - Innes, R.T.A. 1902MNRAS..62..470I
I__1902a MNRAS 62, 470, 1902 (data also in I__1905) 1905AnCap...2....4I
I__1902b Ma - Innes, R.T.A. 1902MNRAS..63...76I
I__1902b MNRAS 63, 76, 1902 (some data also in I__1905) 1905AnCap...2....4I
I__1903 - Innes, R.T.A. 1903MNRAS..64..130I
I__1903 MNRAS 64, 130, 1903 (data also in I__1905) 1905AnCap...2....4I
I__1903b Ma - Innes, R.T.A. 1903Obs....26..285I
I__1903b Obs 26, 285, 1903 (some data also in I__1905) 1905AnCap...2....4I
I__1905 Ma - Innes, R.T.A. 1905AnCap...2....4I
I__1905 Ann. Cape Obs. 2, Pt.4, 1905
I__1907 Ma - Innes, R.T.A. 1907Obs....30...61I
I__1907 Obs 30, 61, 1907
I__1908 - Innes, R.T.A. 1908Obs....31..289I
I__1908 Obs 31, 289, 1908 (measures also in I__1909)
I__1909 Ma - Innes, R.T.A. .
I__1909 Transvaal Obs. Circ. 1, 1, 1909
I__1910 Ma - Innes, R.T.A. .
I__1910 Transvaal Obs. Circ. 1, 21, 1910
I__1911 Ma - Innes, R.T.A. .
I__1911 Transvaal Obs. Circ. 1, 61, 1911
I__1912 Ma - Innes, R.T.A. .
I__1912 Transvaal Obs. Circ. 1, 111, 1912
I__1913a Ma - Innes, R.T.A. 1913CiUO....4...31.
I__1913a Union Obs. Johannesburg Circ. 4, 31, 1913
I__1913b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1913CiUO....4...31.
I__1913b Union Obs. Johannesburg Circ. 4, 31, 1913
I__1914 Ma - Innes, R.T.A. 1914CiUO...14...97.
I__1914 Union Obs. Johannesburg Circ. 14, 97, 1914
I__1915a Ma - Innes, R.T.A. 1915CiUO...24..185.
I__1915a Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915b Ma - Innes, R.T.A. (measure by Cox, G.W.) 1915CiUO...24..185.
I__1915b Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915c Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1915CiUO...24..185.
I__1915c Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915d Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1915CiUO...24..185.
I__1915d Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915e - Innes, R.T.A. 1915Obs....38..221I
I__1915e Obs 38, 221, 1915 (measures also in I__1916) 1916CiUO...33..249I
I__1915f - Innes, R.T.A. 1915Obs....38..333I
I__1915f Obs 38, 333, 1915 (measures also in I__1915) 1915CiUO...24..185I
I__1916a Ma - Innes, R.T.A. 1916CiUO...33..249I
I__1916a Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1916CiUO...33..249I
I__1916b Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1916CiUO...33..249I
I__1916c Union Obs. Johannesburg Circ. 33, 249, 1916
I__1917a Ma - Innes, R.T.A. 1917CiUO...37..285I
I__1917a Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917b Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1917CiUO...37..285I
I__1917b Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1917CiUO...37..285I
I__1917c Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917d Ma - Innes, R.T.A. (measure by Worssell, W.M.) 1917CiUO...37..285I
I__1917d Union Obs. Johannesburg Circ. 37, 285, 1917
I__1918 Ma - Innes, R.T.A. 1918CiUO...41..339I
I__1918 Union Obs. Johannesburg Circ. 41, 339, 1918
I__1927a Ma - Innes, R.T.A. 1927sdsc.book.....I
I__1927a +Po Southern Double Star Cat. 1927
I__1927b Ma - Innes, R.T.A. & van den Bos, W.H. 1927sdsc.book.....I
I__1927b Southern Double Star Cat. 1927
I__1932A Ma - Innes, R.T.A. 1932QB821.A43......
I__1932A cited in ADS (Aitken Double Star Cat.), 1932
I__1948a Ma - Innes, R.T.A. 1948CiUO..106..193I
I__1948a +Po Union Obs. Johannesburg Circ. 106, 193, 1948
I__1948b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1948CiUO..106..193I
I__1948b Union Obs. Johannesburg Circ. 106, 193, 1948
I__9999 Ma - Innes, R.T.A. ...................
I__9999 +Mb 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
18084-1856 I 625 AB 1991 9 49 1.9 10.46 10.94 B9III 180820.97-185550.9
18084-1856 I 625 AB 2008 10 44 1.7 10.46 10.94 B9III 180820.97-185550.9
18084-1856 I 625 AB 2015 11 44 1.8 10.46 10.94 B9III 180820.97-185550.9

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

 
 
WDS 18084-1856 I 625 AB (HD 165744) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18084-1856 I 625 AB (HD 165744) : MEASURES
 
 
No records found.

 
 
WDS 18084-1856 (HD 165744) : VIRTUAL EYEPIECE
 
 

18084-1856 I 625A mag 10.46 Sp B9III 18084-1856 I 625B sep 1.7 P.A. 42.00 mag 10.94 18084-1856 AOT 70C sep 16.9 P.A. 92.00 mag 12.9 18084-1856 AOT 70D sep 18.8 P.A. 300.20 mag 13.9 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 18084-1856 (HD 165744) : ALADIN DSS IMAGE @ 18h 08m 20.97s -18° 55' 50.9"
 
 
 
 
WDS 18084-1856 I 625 AB (HD 165744) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18084-1856 I 625AB distance=0' 18084-1856 AOT 70CD distance=1' 18082-1847 ARA 452 distance=10' 18078-1852 ARA 451 distance=10' 18089-1901 ARA 731 distance=10' 18072-1854 STN 41A,BC distance=16' 18072-1854 A 2259BC distance=17' 18077-1913 ARA 729 distance=20' 18067-1859 HJ 592 distance=24' 18081-1925 AOT 68BC distance=29' 18081-1925 ARA 730AB distance=29' 18081-1925 AOT 68AC distance=29' 18089-1827 ARA 453 distance=30' 18093-1827 ARA 455 distance=32' 18090-1825 HJ 2819 distance=33' 18086-1823 GAU9002 distance=34' 18069-1923 A 2258 distance=34' 18094-1822 FEN 26 distance=37' 18101-1929 SKF 934 distance=42' 18090-1815 ARA 454 distance=42' 18055-1906 ARA 727 distance=43' 18118-1903 I 1479 distance=49' 18048-1902 OCC 536 distance=51' 18120-1852 OCC9177 distance=52' 18047-1903 B 2852 distance=53' 18063-1941 J 1619 distance=54' 18118-1825 HJ 2820BC distance=59' 18118-1825 HJ 2820AB distance=59' 18118-1825 HJ 2820AC distance=59' 18125-1852 VAT 2 distance=60' 18125-1901 SKF 95 distance=60' 18124-1840 KPP4092 distance=60' 18087-1756 TDT 706Aa,Ab distance=61' 18087-1756 ARA 266AB distance=61' 18125-1847 ARA 460 distance=61' 18126-1917 ARA 732 distance=64' 18063-1955 OCC9174 distance=66' 18039-1913 B 2431 distance=66' 18039-1913 OCC 537Aa,Ab distance=66' 18046-1936 HJ 2817 distance=67' 18115-1807 ARA 457 distance=67' 18039-1832 ARA 450 distance=68' 18036-1859 TSN 185 distance=68' 18112-1951 OCC9175Ba,Bb distance=69' 18112-1951 BU 132AB distance=69' 18112-1951 TOK 57Aa,Ab distance=69' 18130-1914 LDS 629 distance=69' 18070-2005 ARA1134 distance=72' 18116-1952 OCC9176 distance=73' 18097-2007 BRT1514 distance=74' 18135-1903 ARA 734 distance=74' 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 18084-1856 I 625 AB 44 1.8
Show 18084-1856 AOT 69 AB,C 92 16.8
Show 18084-1856 AOT 70 AB,D 299 19.6
Show 18084-1856 AOT 70 CD 286 35.5 1
Show 18082-1847 ARA 452 263 12.5 10
Show 18078-1852 ARA 451 182 7.7 10
Show 18089-1901 ARA 731 224 6.3 10
Show 18072-1854 STN 41 A,BC 211 29.8 16
Show 18072-1854 A 2259 BC 202 1.3 17
Show 18077-1913 ARA 729 343 13.1 20
Show 18067-1859 HJ 592 206 36.6 24
Show 18081-1925 AOT 68 BC 298 11.9 29
Show 18081-1925 ARA 730 AB 330 12.6 29
Show 18081-1925 AOT 68 AC 314 23.6 29
Show 18089-1827 ARA 453 57 8.8 30
Show 18093-1827 ARA 455 97 11.5 32
Show 18090-1825 HJ 2819 113 23.3 33
Show 18086-1823 GAU9002 125 26.8 34
Show 18069-1923 A 2258 138 0.4 34
Show 18094-1822 FEN 26 46 5.0 37
Show 18101-1929 SKF 934 352 2.4 42
Show 18090-1815 ARA 454 349 14.6 42
Show 18055-1906 ARA 727 24 9.9 43
Show 18118-1903 I 1479 237 2.0 49
Show 18048-1902 OCC 536 -1 0.1 51
Show 18120-1852 OCC9177 -1 0.0 52
Show 18047-1903 B 2852 144 4.1 53
Show 18063-1941 J 1619 188 6.8 54
Show 18118-1825 HJ 2820 BC 87 18.5 59
Show 18118-1825 HJ 2820 AB 279 5.8 59
Show 18118-1825 HJ 2820 AC 82 12.9 59
Show 18125-1852 VAT 2 86 7.6 60
Show 18125-1901 SKF 95 122 5.9 60
Show 18124-1840 KPP4092 335 1.6 60
Show 18087-1756 TDT 706 Aa,Ab 98 0.8 61
Show 18087-1756 ARA 266 AB 125 11.9 61
Show 18125-1847 ARA 460 86 13.7 61
Show 18126-1917 ARA 732 93 9.3 64
Show 18063-1955 OCC9174 -1 0.0 66
Show 18039-1913 B 2431 285 9.7 66
Show 18039-1913 OCC 537 Aa,Ab 104 0.9 66
Show 18046-1936 HJ 2817 275 13.4 67
Show 18115-1807 ARA 457 3 14.3 67
Show 18039-1832 ARA 450 66 8.0 68
Show 18036-1859 TSN 185 325 0.2 68
Show 18112-1951 OCC9175 Ba,Bb -1 0.0 69
Show 18112-1951 BU 132 AB 187 1.4 69
Show 18112-1951 TOK 57 Aa,Ab 16 0.0 69
Show 18130-1914 LDS 629 132 48.2 69
Show 18070-2005 ARA1134 280 11.7 72
Show 18116-1952 OCC9176 -1 0.0 73

 
 
WDS 18084-1856 : COMPONENTS
 
 
  A B C
B pa=42.0°
sep=1.71"
 
C pa=92.0°
sep=16.90"
pa=96.8°
sep=15.85"
 
D pa=300.2°
sep=18.77"
pa=295.2°
sep=19.19"
pa=286.9°
sep=34.60"
 
 
18084-1856 A
 
 
Name HD 165744 Coord arcsec 2000 180820.97-185550.9 Mag 10.46 Spectral class B9III (blue-white)
PmRA -1.00 PmDE -8.0 Tycho2 6272-00130-1 HD 165744
Tycho2
Tycho2 6272-00130-1 Pflag P RAmdeg 272.08741086 DEmdeg -18.93081611
PmRA -0.9 PmDE -7.9 E RAmdeg 30 E DEmdeg 38
E pmRA 2.7 E pmDE 2.7 EpRAm 1990.09 EpDEm 1989.16
Num 4 Q RAmdeg 1.4 Q DEmdeg 0.7 Q pmRA 1.4
Q pmDE 0.7 BTmag 10.740 E BTmag 0.049 VTmag 10.457
E VTmag 0.057 Prox 19 TYC T HIP
CCDM RAdeg 272.08727444 DEdeg -18.93091361 EpRA 1990 1.81
EpDE 1990 1.91 E RAdeg 30.0 E DEdeg 38.8 Posflg D
Corr -0.1
 
 
18084-1856 B
 
 
Coord arcsec 2000 180821.05-185549.6 Mag 10.94 PmRA -1.00 PmDE -8.0
Tycho2 6272-00130-2 Calc delta mag 0.48 Calc coord yes
Tycho2
Tycho2 6272-00130-2 Pflag P RAmdeg 272.08741086 DEmdeg -18.93081611
PmRA -0.9 PmDE -7.9 E RAmdeg 30 E DEmdeg 38
E pmRA 2.7 E pmDE 2.7 EpRAm 1990.09 EpDEm 1989.16
Num 4 Q RAmdeg 1.4 Q DEmdeg 0.7 Q pmRA 1.4
Q pmDE 0.7 BTmag 11.184 E BTmag 0.071 VTmag 10.939
E VTmag 0.094 Prox 19 TYC HIP
CCDM RAdeg 272.08768889 DEdeg -18.93056833 EpRA 1990 1.81
EpDE 1990 1.90 E RAdeg 44.9 E DEdeg 58.2 Posflg D
Corr -0.1
 
 
18084-1856 C
 
 
Coord arcsec 2000 180822.16-185551.5 Coord calc 180822.16-185551.5 Mag 12.9 PmRA 6.00
PmDE 1.0 Calc delta mag 2.44
 
 
18084-1856 D
 
 
Coord arcsec 2000 180819.83-185541.5 Mag 13.9 PmRA 3.00 PmDE 8.0
Calc delta mag 3.44 Calc coord yes