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Doubles in session


Current system
17308-3726
B 912
HD 158409


Nearby doubles
11' : 17316-3725
TDT 395

40' : 17336-3706
SEE 334AB
Shaula

46' : 17289-3647
CHR 183

49' : 17336-3800
B 913

49' : 17324-3642
ARY 94

56' : 17286-3638
NSN 383

57' : 17261-3718
RST3096

64' : 17254-3727
BRT1717

67' : 17294-3831
B 342

68' : 17318-3833
RST1965

72' : 17315-3616
BRT1723

72' : 17315-3838
ARY 123AB

74' : 17303-3839
I 1325

75' : 17293-3839
TOK 792

75' : 17255-3647
BRT1718

77' : 17346-3624
JSP 718

78' : 17243-3722
RST3091

82' : 17247-3649
BRT1716

83' : 17375-3747
B 915AB

83' : 17244-3759
RST3092

88' : 17379-3752
I 247AB

88' : 17352-3837
RST1973

93' : 17381-3654
RST3114

95' : 17303-3552
HDS2472

95' : 17229-3713
SEE 327

96' : 17313-3901
HWE 87



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.

17308-3726 B 912 (HD 158409)

 
 
17h 30m 47.97s -37° 26' 12.9" P.A. 199.00 sep 0.3 mag 7.48,7.96 Sp A0/1(V) dist. 142.65 pc (465.32 l.y.)
 
 
Coord 2000 17308-3726 Discov num B   912 Comp Coord arcsec 2000 17 30 47.97 -37 26 12.9
Date first 1927 Date last 2021 Obs 43
Pa first 259 Pa last 199.1 P.A. Now (θ) 198.6°
Sep first 0.2 Sep last 0.275 Sep. Now (ρ) 0.295"
Mag pri 7.48 Mag sec 7.96 delta mag (ΔM) 0.48 Spectral class A0/1(V) (white)
Pri motion ra -003 Sec motion ra
Pri motion dec -032 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 158409 Constellation Scorpius SAO 208897 HIP 85700
Tycho2 7387-00852-1 Gaia DR2 5974203030900047232 HD 158409 GC 23694
CD CD-3711639 CP CP-37 7240 Distance 142.65 Distance ly 465.32
 
 
ORBITAL ELEMENTS
 
 
Period (P)132.256y Periastron (T)1944.75y Semi-major axis (a)0.297a
Eccentricity (e)0.113 Inclination (i)44.9° Longitude of periastron (ω)116.2°
Node (Ω)226.8° Notesn ReferenceMsn2011c
Equinox2000 Last observation2010 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 140.0 0.232
2001 143.1 0.233
2002 146.2 0.234
2003 149.3 0.236
2004 152.3 0.237
2005 155.3 0.239
2006 158.2 0.242
2007 161.1 0.244
2008 163.9 0.247
2009 166.6 0.250
2010 169.3 0.253
2011 171.9 0.256
2012 174.4 0.259
2013 176.9 0.263
2014 179.3 0.266
2015 181.7 0.270
2016 184.0 0.273
2017 186.2 0.276
2018 188.4 0.280
2019 190.5 0.283
2020 192.6 0.286
2021 194.7 0.289
2022 196.7 0.292
2023 198.6 0.295
2024 200.6 0.298
2025 202.4 0.300
2026 204.3 0.302
2027 206.1 0.305
2028 207.9 0.306
2029 209.7 0.308
2030 211.5 0.309


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds17308-3726a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17308-3726 B 912 (HD 158409) : NOTES
 
 
discov_num notes refcode
B 912 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 4.35 +/- 1.71, 3.78, and 2.24 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Msn2011c orb - Mason, B.D. & Hartkopf, W.I. 2011IAUDS.174....1M
Msn2011c Inf. Circ. 174, 1, 2011
 
 
DISCOVERER
 
 
idgroup discov author
1 B van den Bos, W.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17308-3726 B 912 1991 38 110 0.2 7.48 7.96 A0/1(V) NO 173047.97-372612.9
17308-3726 B 912 2008 40 166 0.2 7.48 7.96 A0/1(V) NO 173047.97-372612.9
17308-3726 B 912 2010 41 169 0.3 7.48 7.96 A0/1(V) NO 173047.97-372612.9
17308-3726 B 912 2017 42 189 0.3 7.48 7.96 A0/1(V) NO 173047.97-372612.9
17308-3726 B 912 2021 43 199 0.3 7.48 7.96 A0/1(V) NO 173047.97-372612.9

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

 
 
WDS 17308-3726 B 912 (HD 158409) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17308-3726 B 912 (HD 158409) : MEASURES
 
 
No records found.

 
 
WDS 17308-3726 (HD 158409) : VIRTUAL EYEPIECE
 
 

17308-3726 B 912A mag 7.48 Sp A0/1(V) 17308-3726 B 912B sep 0.3 P.A. 195.40 mag 7.96 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 17308-3726 (HD 158409) : ALADIN DSS IMAGE @ 17h 30m 47.97s -37° 26' 12.9"
 
 
 
 
WDS 17308-3726 B 912 (HD 158409) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17308-3726 B 912 distance=0' 17316-3725 TDT 395 distance=11' 17336-3706 TNG 1Aa,Ab (Shaula) distance=40' 17336-3706 SEE 334AB (Shaula) distance=40' 17336-3706 DUN 218AC (Shaula) distance=40' 17289-3647 CHR 183 distance=46' 17336-3800 B 913 distance=49' 17324-3642 ARY 94 distance=49' 17286-3638 NSN 383 distance=56' 17261-3718 RST3096 distance=57' 17254-3727 BRT1717 distance=64' 17294-3831 B 342 distance=67' 17318-3833 RST1965 distance=68' 17315-3616 BRT1723 distance=72' 17315-3838 ARY 123AB distance=72' 17315-3838 ARY 123AC distance=72' 17303-3839 I 1325 distance=74' 17293-3839 TOK 792 distance=75' 17255-3647 BRT1718 distance=75' 17346-3624 JSP 718 distance=77' 17243-3722 RST3091 distance=78' 17247-3649 BRT1716 distance=82' 17375-3747 B 915AB distance=83' 17375-3747 COO 216AB,C distance=83' 17244-3759 RST3092 distance=83' 17379-3752 I 247AB distance=88' 17379-3752 I 247AC distance=88' 17352-3837 RST1973 distance=88' 17381-3654 RST3114 distance=93' 17303-3552 HDS2472 distance=95' 17229-3713 SEE 327 distance=95' 17313-3901 HWE 87 distance=96' 17228-3739 B 909 distance=97' 17281-3555 BRT1720 distance=97' 17385-3755 JSP 720 distance=98' 17383-3807 KPP2059 distance=98' 17340-3557 VOU 93 distance=98' 17227-3748 B 908AB distance=100' 17227-3748 B 908AC distance=100' 17263-3853 I 1319 distance=102' 17271-3554 BRT1719 distance=103' 17336-3547 BRT1725 distance=105' 17232-3821 RST1955 distance=106' 17337-3546 VOU 70AB distance=107' 17367-3607 WFC 197 distance=107' 17227-3812 I 1317 distance=107' 17378-3619 BRT1731 distance=108' 17349-3549 BRT1729 distance=110' 17268-3548 LDS 598 distance=110' 17342-3544 VOU 71 distance=111' 17246-3602 B 910 distance=113' 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 17308-3726 B 912 199 0.3
Show 17316-3725 TDT 395 295 1.9 11
Show Shaula 17336-3706 TNG 1 Aa,Ab 98 0.0 40
Show Shaula 17336-3706 SEE 334 AB 106 42.4 40
Show Shaula 17336-3706 DUN 218 AC 330 94.4 40
Show 17289-3647 CHR 183 70 0.2 46
Show 17336-3800 B 913 57 1.1 49
Show 17324-3642 ARY 94 352 44.0 49
Show 17286-3638 NSN 383 16 1.6 56
Show 17261-3718 RST3096 106 0.5 57
Show 17254-3727 BRT1717 139 3.9 64
Show 17294-3831 B 342 115 0.4 67
Show 17318-3833 RST1965 357 0.5 68
Show 17315-3616 BRT1723 229 3.3 72
Show 17315-3838 ARY 123 AB 168 9.1 72
Show 17315-3838 ARY 123 AC 166 43.9 72
Show 17303-3839 I 1325 77 3.2 74
Show 17293-3839 TOK 792 307 1.6 75
Show 17255-3647 BRT1718 73 2.4 75
Show 17346-3624 JSP 718 309 1.4 77
Show 17243-3722 RST3091 1 2.4 78
Show 17247-3649 BRT1716 321 3.1 82
Show 17375-3747 B 915 AB 328 0.2 83
Show 17375-3747 COO 216 AB,C 194 13.9 83
Show 17244-3759 RST3092 64 0.3 83
Show 17379-3752 I 247 AB 109 0.3 88
Show 17379-3752 I 247 AC 334 0.2 88
Show 17352-3837 RST1973 116 3.7 88
Show 17381-3654 RST3114 63 0.9 93
Show 17303-3552 HDS2472 348 0.5 95
Show 17229-3713 SEE 327 235 19.4 95
Show 17313-3901 HWE 87 233 3.2 96
Show 17228-3739 B 909 72 2.9 97
Show 17281-3555 BRT1720 223 2.7 97
Show 17385-3755 JSP 720 342 2.2 98
Show 17383-3807 KPP2059 299 16.5 98
Show 17340-3557 VOU 93 160 1.4 98
Show 17227-3748 B 908 AB 115 2.7 100
Show 17227-3748 B 908 AC 208 9.7 100
Show 17263-3853 I 1319 55 2.3 102
Show 17271-3554 BRT1719 328 2.2 103
Show 17336-3547 BRT1725 245 4.2 105
Show 17232-3821 RST1955 51 0.4 106
Show 17337-3546 VOU 70 AB 70 5.6 107
Show 17367-3607 WFC 197 280 9.4 107
Show 17227-3812 I 1317 247 0.3 107
Show 17378-3619 BRT1731 322 4.6 108
Show 17349-3549 BRT1729 177 4.0 110
Show 17268-3548 LDS 598 293 16.8 110
Show 17342-3544 VOU 71 138 9.3 111
Show 17246-3602 B 910 317 0.3 113

 
 
WDS 17308-3726 : COMPONENTS
 
 
  A
B pa=195.4°
sep=0.27"
 
 
17308-3726 A
 
 
Componente originario normalizzato AB Name HD 158409 Coord arcsec 2000 173047.97-372612.9 Mag 7.48
Spectral class A0/1(V) (white) PmRA -3.00 PmDE -32.0 SAO 208897
HIP 85700 Tycho2 7387-00852-1 HD 158409 GC 23694
CD CD-3711639 CP CP-37 7240
Tycho2
Tycho2 7387-00852-1 Pflag RAmdeg 262.69983745 DEmdeg -37.43697977
PmRA -4.4 PmDE -28.8 E RAmdeg 4 E DEmdeg 5
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.32 EpDEm 1990.88
Num 13 Q RAmdeg 1.0 Q DEmdeg 1.6 Q pmRA 1.1
Q pmDE 1.6 BTmag 7.028 E BTmag 0.015 VTmag 6.919
E VTmag 0.010 Prox 999 TYC T HIP 85700
CCDM AB RAdeg 262.69985056 DEdeg -37.43691000 EpRA 1990 1.61
EpDE 1990 1.31 E RAdeg 4.1 E DEdeg 4.6 Posflg P
Corr 0.0
SAO
SAO 208897 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 -0.025 Vmag 6.8 SpType A0
Double code Source 70 CatNum 23694 DM CD-3711639
DMcomp BDsup HD 158409 M HD 0
GC 23694 RA1950rad 4.57011832 DE1950rad -0.6527361 PmRA2000 0.0016
PmDE2000 -0.024
Hipparcos
Catalog H HIP 85700 Proxy H RAhms 17 30 47.97
DEdms -37 26 12.9 Vmag 6.89 VarFlag R Vmag H
RAdeg 262.7 DEdeg -37.4369 AstroRef * Plx 9.21
CCDM 17308-3726 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 110 Rho 0.239 HD 158409 BD
CD CD-3711639 CP CP-37 7240 Dm number -3711639 VIred 0.07
SpType A0/A1V: R SpType Coord arcsec 2000 173047.97-372612.9
Hipparcos 2
HIP 85700 Sn 55 So 3 Nc 2
RArad 4.5849774341 DErad -0.6533973422 Plx 7.01 PmRA -2.11
PmDE -27.02 E RArad 0.62 E DErad 0.45 E Plx 0.67
E pmRA 0.77 E pmDE 0.54 Hpmag 6.9372 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.106 E BV 0.01
VI 0.12
CCDM
Ccdm 17308-3726 RComp Comp A Note1
Note2 Discov num DRAs -0.12 DDEs -13.7
R dRAs 41 Year Theta Rho
Obs 2 Vmag 7.6 Sp A0 PmNote *
PmRA 1 PmDE -35 Dm number -3711639 Cat1 CD
Name2 208897 Cat2 SAO HD 158409 M HD
ADS BDS M ADS BDS N IDS IDS 17240S3721A
HIC 85700
 
 
17308-3726 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 173047.96-372613.2 Mag 7.96 Calc delta mag 0.48
Calc coord yes
CCDM
Ccdm 17308-3726 RComp Comp B Note1 *
Note2 Discov num B 912 DRAs DDEs
R dRAs Year 1959 Theta 040 Rho 0.2
Obs 24 Vmag 7.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 17240S3721B
HIC 85700