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Doubles in session


Current system
17301-3343
HO 646 AC


Nearby doubles
20' : 17287-3335
B 911

22' : 17313-3327
BRT1722

34' : 17310-3414
BRT1721

37' : 17277-3324
RST3097

37' : 17323-3320
RST3108

47' : 17300-3256
TSN 94

48' : 17337-3357
BRT1726

55' : 17258-3352
RST3095AB

55' : 17344-3352
BRT1727

61' : 17265-3305
PRO 160

63' : 17266-3258
TOK 416

65' : 17251-3326
KPP3009

65' : 17316-3446
BRT1724

66' : 17344-3421
BRT1728

67' : 17309-3239
PRO 169

71' : 17298-3233
TDT 380

72' : 17298-3232
PRO 166

73' : 17247-3412
HJ 4946AB

74' : 17322-3233
PRO 171

78' : 17362-3330
B 914

80' : 17251-3434
I 595

90' : 17285-3216
RST3099

90' : 17347-3235
HJ 4962AB

90' : 17346-3235
PRO 173

91' : 17231-3407
DAW 73

91' : 17342-3230
PRO 172



Selections
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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.

17301-3343 HO 646 AC

 
 
17h 30m 05.64s -33° 42' 58.9" P.A. 314.00 sep 14.1 mag 6.74,11.30 Sp B0.5Ib dist. 12500 pc (40775 l.y.)
 
 
Coord 2000 17301-3343 Discov num HO  646 Comp AC Coord arcsec 2000 17 30 05.64 -33 42 58.9
Date first 1893 Date last 2016 Obs 12
Pa first 315 Pa last 313.9 P.A. Now (θ) 313.9°
Sep first 15.0 Sep last 14.09 Sep. Now (ρ) 14.09"
Mag pri 6.74 Mag sec 11.30 delta mag (ΔM) 4.56 Spectral class B0.5Ib (blue-white)
Pri motion ra +001 Sec motion ra -001
Pri motion dec -003 Sec motion dec -002
Notes N (See Notes)
rPM=0.707
Nature of this double is uncertain.
 
 
17301-3343 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 158320 208881 17 30 06 -33 42 59 HWE 39 AB 2016 18 322 4.3 6.74 9.53 2.79
Show 208881 17 30 06 -33 42 59 HO 646 AC 2016 12 314 14.1 6.74 11.30 4.56 <===
Show 208881 17 30 06 -33 42 59 HO 646 AD 2016 16 28 59.0 6.74 9.41 2.67
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 208881 HIP 85641 Tycho2 7379-00629-1
Gaia DR2 4054440816690447872 HD 158320 CD CD-3312117 Distance 12500
Distance ly 40775
 
 
WDS 17301-3343 HO 646 AC : NOTES
 
 
discov_num notes refcode
HWE 39 A is a spectroscopic binary, P = 38.10d.
 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
Hwe1876 Ma - Howe, H.A. 1876PCinO...1....1.
Hwe1876 Pub. Cincinnati Obs. #1, 1876
Hwe1877 Ma - Howe, H.A. 1877PCinO...3....1.
Hwe1877 Pub. Cincinnati Obs. #3, 1877
Hwe1878 Ma j Howe, H.A. 1878PCinO...4....1.
Hwe1878 Pub. Cincinnati Obs. #4, 1878
Hwe1879 Ma j Howe, H.A. 1879PCinO...5....1.
Hwe1879 Pub. Cincinnati Obs. #5, 1879
Hwe1882 Ma - Howe, H.A. 1882PCinO...6....1.
Hwe1882 Pub. Cincinnati Obs. #6, 1882
Hwe1906A Ma - Howe, H.A. 1906MmRAS..56....1L
Hwe1906A cited by Lewis (MemRAS 56, 1, 1906)
Hwe1932A - Howe, H.A. 1932QB821.A43......
Hwe1932A cited in ADS (Aitken Double Star Cat.), 1932
Hwe9999 Ma - Howe, H.A. ...................
Hwe9999 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
17301-3343 HO 646 AC 1998 9 313 14.6 6.74 11.30 B0.5Ib D 173005.64-334258.9
17301-3343 HO 646 AC 1999 10 313 14.5 6.74 11.30 B0.5Ib N D 173005.64-334258.9
17301-3343 HO 646 AC 2016 11 314 14.1 6.74 11.30 B0.5Ib N 173005.64-334258.9

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

 
 
WDS 17301-3343 HO 646 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17301-3343 HO 646 AC : MEASURES
 
 
No records found.

 
 
WDS 17301-3343 : VIRTUAL EYEPIECE
 
 

17301-3343 HWE 39A mag 6.74 Sp B0.5Ib 17301-3343 HWE 39B sep 4.0 P.A. 327.30 mag 9.53 17301-3343 HO 646C sep 12.9 P.A. 319.20 mag 11.3 17301-3343 HO 646D sep 57.0 P.A. 24.00 mag 9.41 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 17301-3343 : ALADIN DSS IMAGE @ 17h 30m 05.64s -33° 42' 58.9"
 
 
 
 
WDS 17301-3343 HO 646 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17301-3343 HO 646AC distance=0' 17287-3335 B 911 distance=20' 17313-3327 BRT1722 distance=22' 17310-3414 BRT1721 distance=34' 17277-3324 RST3097 distance=37' 17323-3320 RST3108 distance=37' 17300-3256 TSN 94 distance=47' 17337-3357 BRT1726 distance=48' 17258-3352 RST3095AB distance=55' 17258-3352 BRT3319AB,C distance=55' 17344-3352 BRT1727 distance=55' 17265-3305 PRO 160 distance=61' 17289-3244 TOK 914BC distance=61' 17289-3244 VSP 50AC distance=61' 17266-3258 TOK 416 distance=63' 17251-3326 KPP3009 distance=65' 17316-3446 BRT1724 distance=65' 17344-3421 BRT1728 distance=66' 17309-3239 PRO 169 distance=67' 17298-3233 TDT 380 distance=71' 17298-3232 PRO 166 distance=72' 17247-3412 DAW 216BC distance=73' 17247-3412 WSI 62CD distance=73' 17247-3412 WSI 62CE distance=73' 17247-3412 HJ 4946AB distance=73' 17247-3412 MZA 36Aa,Ab distance=73' 17247-3412 SNA 71AF distance=73' 17247-3412 SNA 71AG distance=73' 17247-3412 SNA 71AH distance=73' 17247-3412 SNA 71AI distance=73' 17247-3412 SNA 71AJ distance=73' 17322-3233 PRO 171 distance=74' 17362-3330 B 914 distance=78' 17251-3434 I 595 distance=80' 17285-3216 RST3099 distance=90' 17347-3235 ISO 5Aa,Ab distance=90' 17347-3235 HDS2480Aa,Ac distance=90' 17347-3235 HJ 4962AB distance=90' 17347-3235 HO 647AC distance=90' 17347-3235 SNA 73Aa1,2 distance=90' 17347-3235 SNA 73AE distance=90' 17346-3235 PRO 173 distance=90' 17231-3407 DAW 73 distance=91' 17342-3230 PRO 172 distance=91' 17258-3228 RST1959 distance=93' 17352-3229 JSP 719 distance=98' 17321-3209 RST1966AB distance=98' 17321-3209 RST1966AC distance=98' 17380-3314 RST3115 distance=104' 17220-3325 B 1335 distance=104' 17344-3209 RST3109 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 17301-3343 HWE 39 AB 322 4.3
Show 17301-3343 HO 646 AC 314 14.1
Show 17301-3343 HO 646 AD 28 59.0
Show 17287-3335 B 911 153 0.9 20
Show 17313-3327 BRT1722 83 5.0 22
Show 17310-3414 BRT1721 16 3.9 34
Show 17277-3324 RST3097 177 1.5 37
Show 17323-3320 RST3108 182 1.0 37
Show 17300-3256 TSN 94 246 99.5 47
Show 17337-3357 BRT1726 43 3.7 48
Show 17258-3352 RST3095 AB 346 0.3 55
Show 17258-3352 BRT3319 AB,C 77 3.5 55
Show 17344-3352 BRT1727 60 4.6 55
Show 17265-3305 PRO 160 325 11.3 61
Show 17289-3244 TOK 914 BC 312 0.3 61
Show 17289-3244 VSP 50 AC 104 2.0 61
Show 17266-3258 TOK 416 27 1.1 63
Show 17251-3326 KPP3009 270 7.6 65
Show 17316-3446 BRT1724 7 4.5 65
Show 17344-3421 BRT1728 110 4.9 66
Show 17309-3239 PRO 169 68 2.6 67
Show 17298-3233 TDT 380 72 0.5 71
Show 17298-3232 PRO 166 356 18.1 72
Show 17247-3412 DAW 216 BC 321 4.9 73
Show 17247-3412 WSI 62 CD 205 3.5 73
Show 17247-3412 WSI 62 CE 182 3.6 73
Show 17247-3412 HJ 4946 AB 110 16.4 73
Show 17247-3412 MZA 36 Aa,Ab 206 0.4 73
Show 17247-3412 SNA 71 AF 254 4.2 73
Show 17247-3412 SNA 71 AG 46 4.4 73
Show 17247-3412 SNA 71 AH 92 5.3 73
Show 17247-3412 SNA 71 AI 308 5.3 73
Show 17247-3412 SNA 71 AJ 295 6.9 73
Show 17322-3233 PRO 171 356 5.3 74
Show 17362-3330 B 914 357 5.5 78
Show 17251-3434 I 595 142 0.8 80
Show 17285-3216 RST3099 5 0.2 90
Show 17347-3235 ISO 5 Aa,Ab 10 0.3 90
Show 17347-3235 HDS2480 Aa,Ac 61 0.7 90
Show 17347-3235 HJ 4962 AB 100 5.9 90
Show 17347-3235 HO 647 AC 83 14.0 90
Show 17347-3235 SNA 73 Aa1,2 123 0.0 90
Show 17347-3235 SNA 73 AE 78 3.5 90
Show 17346-3235 PRO 173 213 6.0 90
Show 17231-3407 DAW 73 40 1.1 91
Show 17342-3230 PRO 172 234 14.3 91
Show 17258-3228 RST1959 195 0.3 93
Show 17352-3229 JSP 719 204 0.5 98
Show 17321-3209 RST1966 AB 348 1.0 98
Show 17321-3209 RST1966 AC 144 2.3 98
Show 17380-3314 RST3115 202 1.1 104

 
 
WDS 17301-3343 : COMPONENTS
 
 
  A B C
B pa=327.3°
sep=4.04"
 
C pa=319.2°
sep=12.91"
pa=315.5°
sep=8.94"
 
D pa=24.0°
sep=56.95"
pa=27.6°
sep=54.85"
pa=36.8°
sep=52.78"
 
 
17301-3343 A
 
 
Name HD 158320 Coord arcsec 2000 173005.64-334258.9 Mag 6.74 Spectral class B0.5Ib (blue-white)
PmRA 10.00 PmDE -13.0 SAO 208881 HIP 85641
Tycho2 7379-00629-1 HD 158320 GC 23682 CD CD-3312117
Tycho2
Tycho2 7379-00629-1 Pflag RAmdeg 262.52352036 DEmdeg -33.71639224
PmRA 9.5 PmDE -13.4 E RAmdeg 4 E DEmdeg 5
E pmRA 2.5 E pmDE 2.6 EpRAm 1991.60 EpDEm 1991.28
Num 4 Q RAmdeg 2.2 Q DEmdeg 1.0 Q pmRA 2.3
Q pmDE 1.1 BTmag 6.816 E BTmag 0.015 VTmag 6.740
E VTmag 0.010 Prox 44 TYC T HIP 85641
CCDM A RAdeg 262.52349389 DEdeg -33.71636000 EpRA 1990 1.63
EpDE 1990 1.33 E RAdeg 4.1 E DEdeg 4.7 Posflg
Corr 0.2
SAO
SAO 208881 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 -0.011 Vmag 6.7 SpType B5
Double code Source 70 CatNum 23682 DM CD-3312117
DMcomp BDsup HD 158320 M HD 0
GC 23682 RA1950rad 4.5674995 DE1950rad -0.58779627 PmRA2000 -0.0009
PmDE2000 -0.01
Hipparcos
Catalog H HIP 85641 Proxy H RAhms 17 30 05.64
DEdms -33 42 58.9 Vmag 6.68 VarFlag R Vmag H
RAdeg 262.523 DEdeg -33.7164 AstroRef A Plx -0.39
CCDM 17301-3343 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 320 Rho 4.444 HD 158320 BD
CD CD-3312117 CP Dm number -3312117 VIred 0.15
SpType B1/B2Ib/II R SpType Coord arcsec 2000 173005.64-334258.9
Hipparcos 2
HIP 85641 Sn 15 So 3 Nc 2
RArad 4.5818992826 DErad -0.5884615004 Plx 0.08 PmRA 0.72
PmDE -3.37 E RArad 0.77 E DErad 0.44 E Plx 0.76
E pmRA 1.04 E pmDE 0.47 Hpmag 6.7152 E Hpmag 0.001
SHp 0.009 VA 0 BV 0.078 E BV 0.012
VI 0.09
CCDM
Ccdm 17301-3343 RComp Comp A Note1
Note2 Discov num DRAs -0.26 DDEs 1.5
R dRAs 41 Year Theta Rho
Obs 4 Vmag 6.8 Sp B5 PmNote *
PmRA 13 PmDE -10 Dm number -3312117 Cat1 CD
Name2 208881 Cat2 SAO HD 158320 M HD
ADS BDS B 8020 M ADS BDS N IDS IDS 17235S3337A
HIC 85641
 
 
17301-3343 B
 
 
Coord arcsec 2000 173005.47-334255.5 Mag 9.53 PmRA 1.00 PmDE -3.0
Calc delta mag 2.79 Calc coord yes
CCDM
Ccdm 17301-3343 RComp Comp B Note1
Note2 Discov num HWE 39 DRAs DDEs
R dRAs Year 1877 Theta 321 Rho 4.4
Obs 9 Vmag 9.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8020 M ADS BDS N IDS IDS 17235S3337B
HIC 85641
 
 
17301-3343 C
 
 
Coord arcsec 2000 173004.96-334249.1 Mag 11.3 PmRA -1.00 PmDE -2.0
Calc delta mag 4.56 Calc coord yes
CCDM
Ccdm 17301-3343 RComp Comp C Note1
Note2 Discov num HO 646 DRAs -1.11 DDEs 11.3
R dRAs 41 Year 1893 Theta 314 Rho 14.6
Obs 5 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8020 M ADS BDS N IDS IDS 17235S3337C
HIC
 
 
17301-3343 D
 
 
Coord arcsec 2000 173007.50-334206.9 Mag 9.41 PmRA 2.00 PmDE 1.0
Calc delta mag 2.67 Calc coord yes
CCDM
Ccdm 17301-3343 RComp Comp D Note1
Note2 Discov num HO 646 DRAs 1.86 DDEs 52.2
R dRAs 41 Year 1881 Theta 029 Rho 58.7
Obs 2 Vmag 9.4 Sp B8 PmNote *
PmRA -52 PmDE 11 Dm number -3312118 Cat1 CD
Name2 208883 Cat2 SAO HD M HD
ADS BDS B 8020 M ADS BDS N IDS IDS 17235S3337D
HIC