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Doubles in session


Current system
16446-2938
I 991
HD 150817


Nearby doubles
23' : 16433-2923
TDT 47

33' : 16442-2906
RST1898

36' : 16463-3006
BRT3032

43' : 16437-2858
RST1897

46' : 16449-3024
B 315

49' : 16455-2850
B 316

68' : 16450-2831
RST1901

70' : 16446-2829
I 570

70' : 16418-2839
RST1896

72' : 16483-2845
HJ 4887

81' : 16434-2819
LSC 67

82' : 16470-2822
HDS2381

83' : 16496-2848
BRT3034

97' : 16517-3009
B 320

104' : 16518-3022
RST3048

108' : 16459-2752
B 317

115' : 16402-2800
VOU 44AB

115' : 16533-2959
RSS 422

115' : 16360-3004
WFC 177

120' : 16377-3057
HJ 4869

121' : 16369-3046
RST1890

122' : 16461-3140
PRO 137

126' : 16538-3016
TDT 133

126' : 16539-2905
TVB 290

127' : 16448-3144
BRT3031AB

128' : 16509-2758
B 2820



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.

16446-2938 I 991 (HD 150817)

 
 
16h 44m 36.89s -29° 38' 08.8" P.A. 258.00 sep 0.9 mag 9.96,10.05 Sp F6V dist. 221.73 pc (723.28 l.y.)
 
 
Coord 2000 16446-2938 Discov num I   991 Comp Coord arcsec 2000 16 44 36.89 -29 38 08.8
Date first 1911 Date last 2016 Obs 11
Pa first 278 Pa last 257.8 P.A. Now (θ) 257.8°
Sep first 0.6 Sep last 0.924 Sep. Now (ρ) 0.924"
Mag pri 9.96 Mag sec 10.05 delta mag (ΔM) 0.09 Spectral class F6V (yellow-white)
Pri motion ra -008 Sec motion ra -008
Pri motion dec -037 Sec motion dec -037
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 150817 Constellation Scorpius SAO 184595 HIP 81964
Tycho2 6808-00390-1 Gaia DR2 6031284073985640192 HD 150817 ADS 10177
CD CD-2912796 CP CP-29 4484 Distance 221.73 Distance ly 723.28
 
 
WDS 16446-2938 I 991 (HD 150817) : 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
16446-2938 I 991 1991 11 260 0.9 9.96 10.05 F6V D 164436.89-293808.8
16446-2938 I 991 2016 11 258 0.9 9.96 10.05 F6V 164436.89-293808.8

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

 
 
WDS 16446-2938 I 991 (HD 150817) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16446-2938 I 991 (HD 150817) : MEASURES
 
 
No records found.

 
 
WDS 16446-2938 (HD 150817) : VIRTUAL EYEPIECE
 
 

16446-2938 I 991A mag 9.96 Sp F6V 16446-2938 I 991B sep 0.8 P.A. 256.00 mag 10.05 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 16446-2938 (HD 150817) : ALADIN DSS IMAGE @ 16h 44m 36.89s -29° 38' 08.8"
 
 
 
 
WDS 16446-2938 I 991 (HD 150817) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16446-2938 I 991 distance=0' 16433-2923 TDT 47 distance=23' 16442-2906 RST1898 distance=33' 16463-3006 BRT3032 distance=36' 16437-2858 RST1897 distance=43' 16449-3024 B 315 distance=46' 16455-2850 B 316 distance=49' 16450-2831 RST1901 distance=68' 16446-2829 I 570 distance=70' 16418-2839 RST1896 distance=70' 16483-2845 HJ 4887 distance=72' 16434-2819 LSC 67 distance=81' 16470-2822 HDS2381 distance=82' 16496-2848 BRT3034 distance=83' 16517-3009 B 320 distance=97' 16518-3022 RST3048 distance=104' 16459-2752 B 317 distance=108' 16402-2800 VOU 44AB distance=115' 16402-2800 HJ 4878AB,C distance=115' 16533-2959 RSS 422 distance=115' 16360-3004 WFC 177 distance=115' 16377-3057 HJ 4869 distance=120' 16369-3046 RST1890 distance=121' 16461-3140 PRO 137 distance=122' 16538-3016 TDT 133 distance=126' 16539-2905 TVB 290 distance=126' 16448-3144 BRT3031AB distance=127' 16448-3144 BRT3031AC distance=127' 16509-2758 B 2820 distance=128' 16540-2857 HJ 4895 distance=130' 16542-3013 RST1906 distance=130' 16472-2733 BRT3033 distance=130' 16443-2727 BU 1116AB distance=131' 16443-2727 BU 1116AC distance=131' 16460-3148 RSS 416 distance=131' 16397-2745 TDT 25 distance=131' 16514-2801 B 319 distance=132' 16443-2726 SEE 285 distance=133' 16547-2920 RSS 424 distance=134' 16352-2846 TOK 784 distance=134' 16496-3139 I 993 distance=137' 16383-2749 HJ 4872 distance=137' 16385-2747 HJ 4875 distance=138' 16494-2734 RSS 418 distance=139' 16369-2801 RST1891 distance=140' 16359-2813 RIZ 18 (Paikauhale) distance=143' 16545-3043 B 2399 distance=144' 16388-2735 USD1590 distance=145' 16346-2836 USD1569 distance=145' 16459-3205 PRO 136 distance=146' 16551-2843 TOI1049 distance=148' 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 16446-2938 I 991 258 0.9
Show 16433-2923 TDT 47 316 0.6 23
Show 16442-2906 RST1898 68 0.4 33
Show 16463-3006 BRT3032 204 4.5 36
Show 16437-2858 RST1897 219 1.0 43
Show 16449-3024 B 315 309 4.9 46
Show 16455-2850 B 316 72 4.5 49
Show 16450-2831 RST1901 193 4.7 68
Show 16446-2829 I 570 195 2.0 70
Show 16418-2839 RST1896 264 3.0 70
Show 16483-2845 HJ 4887 96 20.3 72
Show 16434-2819 LSC 67 333 0.0 81
Show 16470-2822 HDS2381 17 0.2 82
Show 16496-2848 BRT3034 116 3.3 83
Show 16517-3009 B 320 237 1.3 97
Show 16518-3022 RST3048 306 0.8 104
Show 16459-2752 B 317 71 1.8 108
Show 16402-2800 VOU 44 AB 2 0.2 115
Show 16402-2800 HJ 4878 AB,C 359 8.1 115
Show 16533-2959 RSS 422 159 11.6 115
Show 16360-3004 WFC 177 326 8.0 115
Show 16377-3057 HJ 4869 23 10.2 120
Show 16369-3046 RST1890 267 0.5 121
Show 16461-3140 PRO 137 127 4.8 122
Show 16538-3016 TDT 133 58 1.4 126
Show 16539-2905 TVB 290 141 4.1 126
Show 16448-3144 BRT3031 AB 237 3.2 127
Show 16448-3144 BRT3031 AC 198 7.8 127
Show 16509-2758 B 2820 151 5.9 128
Show 16540-2857 HJ 4895 97 23.0 130
Show 16542-3013 RST1906 87 0.3 130
Show 16472-2733 BRT3033 313 5.0 130
Show 16443-2727 BU 1116 AB 20 2.4 131
Show 16443-2727 BU 1116 AC 196 24.4 131
Show 16460-3148 RSS 416 62 9.4 131
Show 16397-2745 TDT 25 198 2.5 131
Show 16514-2801 B 319 224 1.3 132
Show 16443-2726 SEE 285 260 16.2 133
Show 16547-2920 RSS 424 346 11.1 134
Show 16352-2846 TOK 784 236 0.1 134
Show 16496-3139 I 993 98 3.3 137
Show 16383-2749 HJ 4872 262 10.7 137
Show 16385-2747 HJ 4875 267 8.5 138
Show 16494-2734 RSS 418 152 10.7 139
Show 16369-2801 RST1891 184 0.7 140
Show Paikauhale 16359-2813 RIZ 18 71 0.0 143
Show 16545-3043 B 2399 289 5.9 144
Show 16388-2735 USD1590 62 0.3 145
Show 16346-2836 USD1569 212 1.8 145
Show 16459-3205 PRO 136 86 11.9 146
Show 16551-2843 TOI1049 154 1.3 148

 
 
WDS 16446-2938 : COMPONENTS
 
 
  A
B pa=256.0°
sep=0.81"
 
 
16446-2938 A
 
 
Componente originario normalizzato AB Name HD 150817 Coord arcsec 2000 164436.89-293808.8 Mag 9.96
Spectral class F6V (yellow-white) PmRA -8.00 PmDE -37.0 SAO 184595
HIP 81964 Tycho2 6808-00390-1 HD 150817 ADS 10177
CD CD-2912796 CP CP-29 4484
Tycho2
Tycho2 6808-00390-1 Pflag P RAmdeg 251.15370359 DEmdeg -29.63578969
PmRA -8.0 PmDE -37.2 E RAmdeg 25 E DEmdeg 30
E pmRA 2.7 E pmDE 2.6 EpRAm 1990.26 EpDEm 1989.54
Num 5 Q RAmdeg 1.7 Q DEmdeg 0.8 Q pmRA 1.7
Q pmDE 0.8 BTmag 10.469 E BTmag 0.047 VTmag 9.958
E VTmag 0.043 Prox 9 TYC T HIP 81964
CCDM A RAdeg 251.15384583 DEdeg -29.63568417 EpRA 1990 1.77
EpDE 1990 1.76 E RAdeg 26.2 E DEdeg 31.4 Posflg D
Corr 0.2
SAO
SAO 184595 DelFlag RA1950 PmRA1950 0.0043
DE1950 PmDE1950 -0.082 Vmag 8.7 SpType G0
Double code Source 24 CatNum 10482 DM CD-2912796
DMcomp BDsup HD 150817 M HD 0
GC RA1950rad 4.36967872 DE1950rad -0.51563667 PmRA2000 0.0042
PmDE2000 -0.08
Hipparcos
Catalog H HIP 81964 Proxy H RAhms 16 44 36.93
DEdms -29 38 08.5 Vmag 9.21 VarFlag R Vmag H
RAdeg 251.154 DEdeg -29.6357 AstroRef A Plx 3.51
CCDM 16446-2938 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 261 Rho 0.907 HD 150817 BD
CD CD-2912796 CP CP-29 4484 Dm number -2912796 VIred 0.53
SpType F6V R SpType Coord arcsec 2000 164436.93-293808.5
Hipparcos 2
HIP 81964 Sn 15 So 3 Nc 2
RArad 4.3834617168 DErad -0.5172402499 Plx 4.51 PmRA -3.71
PmDE -39.05 E RArad 3.28 E DErad 1.69 E Plx 3.56
E pmRA 4.44 E pmDE 2.25 Hpmag 9.3235 E Hpmag 0.0038
SHp 0.021 VA 0 BV 0.496 E BV 0.041
VI 0.57
CCDM
Ccdm 16446-2938 RComp Comp A Note1
Note2 Discov num DRAs 1.20 DDEs -12.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp G0 PmNote *
PmRA 56 PmDE -82 Dm number -2912796 Cat1 CD
Name2 184595 Cat2 SAO HD 150817 M HD
ADS BDS A10177 M ADS BDS N IDS IDS 16383S2927A
HIC 81964
 
 
16446-2938 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 164436.83-293809.0 Mag 10.05 PmRA -8.00
PmDE -37.0 HIP 81964 Tycho2 6808-00390-2 Calc delta mag 0.09
Calc coord yes
Tycho2
Tycho2 6808-00390-2 Pflag P RAmdeg 251.15370359 DEmdeg -29.63578969
PmRA -8.0 PmDE -37.2 E RAmdeg 25 E DEmdeg 30
E pmRA 2.7 E pmDE 2.6 EpRAm 1990.26 EpDEm 1989.54
Num 5 Q RAmdeg 1.7 Q DEmdeg 0.8 Q pmRA 1.7
Q pmDE 0.8 BTmag 10.613 E BTmag 0.054 VTmag 10.047
E VTmag 0.046 Prox 9 TYC T HIP 81964
CCDM B RAdeg 251.15357139 DEdeg -29.63572528 EpRA 1990 1.78
EpDE 1990 1.76 E RAdeg 29.6 E DEdeg 35.6 Posflg D
Corr 0.2
Hipparcos
Catalog H HIP 81964 Proxy H RAhms 16 44 36.93
DEdms -29 38 08.5 Vmag 9.21 VarFlag R Vmag H
RAdeg 251.154 DEdeg -29.6357 AstroRef A Plx 3.51
CCDM 16446-2938 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 261 Rho 0.907 HD 150817 BD
CD CD-2912796 CP CP-29 4484 Dm number -2912796 VIred 0.53
SpType F6V R SpType Coord arcsec 2000 164436.93-293808.5
Hipparcos 2
HIP 81964 Sn 15 So 3 Nc 2
RArad 4.3834617168 DErad -0.5172402499 Plx 4.51 PmRA -3.71
PmDE -39.05 E RArad 3.28 E DErad 1.69 E Plx 3.56
E pmRA 4.44 E pmDE 2.25 Hpmag 9.3235 E Hpmag 0.0038
SHp 0.021 VA 0 BV 0.496 E BV 0.041
VI 0.57
CCDM
Ccdm 16446-2938 RComp Comp B Note1
Note2 Discov num I 991 DRAs DDEs
R dRAs Year 1911 Theta 271 Rho 0.8
Obs 5 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10177 M ADS BDS N IDS IDS 16383S2927B
HIC 81964