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Doubles in session


Current system
17491-3631
I 616
HD 161791


Nearby doubles
12' : 17498-3623
B 922AB

14' : 17492-3618
JSP 734

14' : 17500-3621
JSP 736

16' : 17485-3617
JSP 733

17' : 17482-3644
I 615

26' : 17504-3652
JSP 737

33' : 17499-3703
SEE 340AB
Fuyue

38' : 17465-3652
JSP 729

43' : 17477-3552
KPP 400

44' : 17527-3623
JSP 739

45' : 17468-3706
B 919

50' : 17499-3719
SHN 225

55' : 17482-3725
B 920

62' : 17499-3732
B 921AB

67' : 17483-3525
JSP 732

68' : 17533-3547
BRT3324AB

70' : 17436-3612
DAW 149AB

72' : 17468-3525
JSP 730

72' : 17542-3710
JSP 744

73' : 17542-3553
B 1346

75' : 17535-3540
JSP 742

75' : 17438-3709
JSP 725

76' : 17551-3652
JSP 746

77' : 17482-3515
B 2415

77' : 17472-3518
TDS 882

78' : 17552-3658
JSP 747



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.

17491-3631 I 616 (HD 161791)

 
 
17h 49m 07.99s -36° 31' 23.9" P.A. 179.00 sep 1.4 mag 8.61,10.52 Sp B3V dist. 909.09 pc (2965.45 l.y.)
 
 
Coord 2000 17491-3631 Discov num I   616 Comp Coord arcsec 2000 17 49 07.99 -36 31 23.9
Date first 1909 Date last 1991 Obs 6
Pa first 180 Pa last 179.1 P.A. Now (θ) 179.1°
Sep first 0.7 Sep last 1.404 Sep. Now (ρ) 1.404"
Mag pri 8.61 Mag sec 10.52 delta mag (ΔM) 1.91 Spectral class B3V (blue-white)
Pri motion ra +000 Sec motion ra +000
Pri motion dec -001 Sec motion dec -001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 161791 Constellation Scorpius SAO 209297 HIP 87218
Tycho2 7389-01049-1 Gaia DR2 4040205297883907456 HD 161791 CD CD-3611908
CP CP-36 7624 Distance 909.09 Distance ly 2965.45
 
 
WDS 17491-3631 I 616 (HD 161791) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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
17491-3631 I 616 1991 6 179 1.4 8.61 10.52 B3V D 174907.99-363123.9

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

 
 
WDS 17491-3631 I 616 (HD 161791) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17491-3631 I 616 (HD 161791) : MEASURES
 
 
No records found.

 
 
WDS 17491-3631 (HD 161791) : VIRTUAL EYEPIECE
 
 

17491-3631 I 616A mag 8.61 Sp B3V 17491-3631 I 616B sep 1.4 P.A. 179.30 mag 10.52 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 17491-3631 (HD 161791) : ALADIN DSS IMAGE @ 17h 49m 07.99s -36° 31' 23.9"
 
 
 
 
WDS 17491-3631 I 616 (HD 161791) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17491-3631 I 616 distance=0' 17498-3623 B 922AB distance=12' 17498-3623 B 922AC distance=12' 17492-3618 JSP 734 distance=14' 17500-3621 JSP 736 distance=14' 17485-3617 JSP 733 distance=16' 17482-3644 I 615 distance=17' 17504-3652 JSP 737 distance=26' 17499-3703 SEE 340AB (Fuyue) distance=33' 17499-3703 SEE 340AC (Fuyue) distance=33' 17465-3652 JSP 729 distance=38' 17477-3552 KPP 400 distance=43' 17527-3623 JSP 739 distance=44' 17468-3706 B 919 distance=45' 17499-3719 SHN 225 distance=50' 17482-3725 B 920 distance=55' 17499-3732 B 921AB distance=62' 17499-3732 B 921AB,C distance=62' 17483-3525 JSP 732 distance=67' 17533-3547 BRT3324AB distance=68' 17533-3547 BRT3325CD distance=68' 17436-3612 DAW 149AB distance=70' 17436-3612 DAW 149AC distance=70' 17468-3525 JSP 730 distance=72' 17542-3710 JSP 744 distance=72' 17542-3553 B 1346 distance=73' 17535-3540 JSP 742 distance=75' 17438-3709 JSP 725 distance=75' 17551-3652 JSP 746 distance=76' 17482-3515 B 2415 distance=77' 17472-3518 TDS 882 distance=77' 17552-3658 JSP 747 distance=78' 17501-3509 B 2418 distance=84' 17530-3748 TDT 554 distance=90' 17514-3506 VVV 2 distance=90' 17566-3645 JSP 750 distance=91' 17564-3703 B 923 distance=93' 17519-3505 B 1343 distance=93' 17485-3458 BRT3321 distance=94' 17466-3504 B 918 distance=94' 17487-3457 B 1340 distance=95' 17570-3619 JSP 752 distance=95' 17471-3807 I 1336 distance=99' 17511-3809 HDS2518 distance=101' 17467-3808 RST1987 distance=102' 17522-3454 TDT 548 distance=105' 17565-3536 JSP 749 distance=106' 17450-3459 JSP 728 distance=106' 17530-3458 B 1345 distance=106' 17490-3817 KPP4064 distance=106' 17577-3558 HDS2531 distance=109' 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 17491-3631 I 616 179 1.4
Show 17498-3623 B 922 AB 121 0.9 12
Show 17498-3623 B 922 AC 158 4.9 12
Show 17492-3618 JSP 734 205 0.9 14
Show 17500-3621 JSP 736 186 3.6 14
Show 17485-3617 JSP 733 285 2.9 16
Show 17482-3644 I 615 28 1.3 17
Show 17504-3652 JSP 737 172 1.2 26
Show Fuyue 17499-3703 SEE 340 AB 205 30.8 33
Show Fuyue 17499-3703 SEE 340 AC 110 39.5 33
Show 17465-3652 JSP 729 68 2.1 38
Show 17477-3552 KPP 400 138 3.9 43
Show 17527-3623 JSP 739 240 2.2 44
Show 17468-3706 B 919 190 0.2 45
Show 17499-3719 SHN 225 -1 0.1 50
Show 17482-3725 B 920 305 1.4 55
Show 17499-3732 B 921 AB 135 0.9 62
Show 17499-3732 B 921 AB,C 96 34.8 62
Show 17483-3525 JSP 732 230 3.8 67
Show 17533-3547 BRT3324 AB 260 1.8 68
Show 17533-3547 BRT3325 CD 248 1.6 68
Show 17436-3612 DAW 149 AB 58 1.4 70
Show 17436-3612 DAW 149 AC 296 17.8 70
Show 17468-3525 JSP 730 238 3.9 72
Show 17542-3710 JSP 744 130 0.6 72
Show 17542-3553 B 1346 158 0.6 73
Show 17535-3540 JSP 742 359 0.3 75
Show 17438-3709 JSP 725 144 1.6 75
Show 17551-3652 JSP 746 290 5.8 76
Show 17482-3515 B 2415 173 8.3 77
Show 17472-3518 TDS 882 181 1.9 77
Show 17552-3658 JSP 747 2 1.3 78
Show 17501-3509 B 2418 31 7.0 84
Show 17530-3748 TDT 554 85 10.5 90
Show 17514-3506 VVV 2 22 35.1 90
Show 17566-3645 JSP 750 247 3.7 91
Show 17564-3703 B 923 84 0.5 93
Show 17519-3505 B 1343 167 3.4 93
Show 17485-3458 BRT3321 270 1.4 94
Show 17466-3504 B 918 136 4.9 94
Show 17487-3457 B 1340 214 0.8 95
Show 17570-3619 JSP 752 262 0.7 95
Show 17471-3807 I 1336 146 0.1 99
Show 17511-3809 HDS2518 62 0.3 101
Show 17467-3808 RST1987 144 0.9 102
Show 17522-3454 TDT 548 140 2.5 105
Show 17565-3536 JSP 749 246 3.8 106
Show 17450-3459 JSP 728 154 0.6 106
Show 17530-3458 B 1345 43 0.2 106
Show 17490-3817 KPP4064 219 1.7 106
Show 17577-3558 HDS2531 211 0.6 109

 
 
WDS 17491-3631 : COMPONENTS
 
 
  A
B pa=179.3°
sep=1.40"
 
 
17491-3631 A
 
 
Componente originario normalizzato AB Name HD 161791 Coord arcsec 2000 174907.99-363123.9 Mag 8.61
Spectral class B3V (blue-white) PmRA 0.00 PmDE -1.0 SAO 209297
HIP 87218 Tycho2 7389-01049-1 HD 161791 CD CD-3611908
CP CP-36 7624
Tycho2
Tycho2 7389-01049-1 Pflag P RAmdeg 267.28329160 DEmdeg -36.52329873
PmRA 0.1 PmDE -0.6 E RAmdeg 6 E DEmdeg 8
E pmRA 2.4 E pmDE 2.4 EpRAm 1991.53 EpDEm 1990.98
Num 6 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.1 BTmag 8.594 E BTmag 0.017 VTmag 8.612
E VTmag 0.015 Prox 14 TYC T HIP 87218
CCDM A RAdeg 267.28329083 DEdeg -36.52326972 EpRA 1990 1.64
EpDE 1990 1.17 E RAdeg 6.2 E DEdeg 8.0 Posflg D
Corr -0.2
SAO
SAO 209297 DelFlag RA1950 PmRA1950 -0.0022
DE1950 PmDE1950 -0.042 Vmag 8.5 SpType B8
Double code Source 41 CatNum 8987 DM CD-3611908
DMcomp BDsup HD 161791 M HD 0
GC RA1950rad 4.65019259 DE1950rad -0.63718615 PmRA2000 -0.0022
PmDE2000 -0.042
Hipparcos
Catalog H HIP 87218 Proxy H RAhms 17 49 07.99
DEdms -36 31 23.8 Vmag 8.4 VarFlag R Vmag G
RAdeg 267.283 DEdeg -36.5233 AstroRef A Plx 0.44
CCDM 17491-3631 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 179 Rho 1.356 HD 161791 BD
CD CD-3611908 CP CP-36 7624 Dm number -3611908 VIred 0
SpType B3V R SpType Coord arcsec 2000 174907.99-363123.8
Hipparcos 2
HIP 87218 Sn 15 So 3 Nc 2
RArad 4.664973453 DErad -0.6374513242 Plx 1.1 PmRA 0.21
PmDE -4.53 E RArad 0.94 E DErad 0.66 E Plx 0.99
E pmRA 1.15 E pmDE 0.67 Hpmag 8.4471 E Hpmag 0.0021
SHp 0.012 VA 0 BV -0.006 E BV 0.024
VI 0
CCDM
Ccdm 17491-3631 RComp Comp A Note1
Note2 Discov num DRAs 1.88 DDEs -24.8
R dRAs 41 Year Theta Rho
Obs 2 Vmag 8.7 Sp B8 PmNote *
PmRA -27 PmDE -42 Dm number -3611908 Cat1 CD
Name2 209297 Cat2 SAO HD 161791 M HD
ADS BDS M ADS BDS N IDS IDS 17424S3629A
HIC 87218
 
 
17491-3631 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 174907.99-363125.3 Mag 10.52 PmRA 0.00
PmDE -1.0 Tycho2 7389-01049-2 Calc delta mag 1.91 Calc coord yes
Tycho2
Tycho2 7389-01049-2 Pflag P RAmdeg 267.28329160 DEmdeg -36.52329873
PmRA 0.1 PmDE -0.6 E RAmdeg 6 E DEmdeg 8
E pmRA 2.4 E pmDE 2.4 EpRAm 1991.53 EpDEm 1990.98
Num 6 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.1 BTmag 10.744 E BTmag 0.048 VTmag 10.521
E VTmag 0.059 Prox 14 TYC HIP 87218
CCDM B RAdeg 267.28329889 DEdeg -36.52365972 EpRA 1990 1.66
EpDE 1990 1.18 E RAdeg 29.2 E DEdeg 39.9 Posflg D
Corr -0.3
CCDM
Ccdm 17491-3631 RComp Comp B Note1
Note2 Discov num I 616 DRAs DDEs
R dRAs Year 1913 Theta 180 Rho 1.3
Obs 2 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17424S3629B
HIC 87218