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Doubles in session


Current system
17447-4244
FIN 341
HD 160928


Nearby doubles
21' : 17466-4241
BRT 994

31' : 17429-4220
CPO 548

37' : 17426-4312
BRT 988

42' : 17466-4320
CPO 552

43' : 17427-4208
DON 860

53' : 17470-4330
COO 220

56' : 17484-4322
BRT 996

57' : 17396-4246
CPO 544

57' : 17477-4329
DON 864

59' : 17458-4147
BRT 992

59' : 17488-4207
BRT 998

60' : 17500-4238
I 1341

60' : 17500-4232
BRT 999

63' : 17390-4251
SKF1417

65' : 17395-4214
HDS2496

68' : 17390-4309
MOC 13AB

70' : 17436-4135
CPO 549

72' : 17512-4251
LDS 614

73' : 17383-4259
DON 849

73' : 17411-4143
RSS 456AB

74' : 17412-4142
COO 218AB

75' : 17411-4141
TDT 464

75' : 17497-4335
RSS 463

76' : 17471-4133
BRT 995

79' : 17514-4311
CPO 557

79' : 17456-4403
DON 861



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.

17447-4244 FIN 341 (HD 160928)

 
 
17h 44m 42.01s -42° 43' 45.5" P.A. 226.00 sep 0.0 mag 6.60,6.60 Sp A1V+F0IV dist. 72.1 pc (235.19 l.y.)
 
 
Coord 2000 17447-4244 Discov num FIN 341 Comp Coord arcsec 2000 17 44 42.01 -42 43 45.5
Date first 1957 Date last 2021 Obs 18
Pa first 6 Pa last 225.6 P.A. Now (θ) 225.6°
Sep first 0.1 Sep last 0.028 Sep. Now (ρ) 0.028"
Mag pri 6.60 Mag sec 6.60 delta mag (ΔM) 0 Spectral class A1V+F0IV (white/yellow-white)
Pri motion ra -001 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 160928 Constellation Scorpius SAO 228363 HIP 86847
Tycho2 7893-02172-1 Gaia DR2 5957213823943185152 HD 160928 HR 6597
GC 24054 CD CD-4212431 CP CP-42 7927 Distance 72.1
Distance ly 235.19
 
 
ORBITAL ELEMENTS
 
 
Period (P)15.12y± 0.1 Periastron (T)2012.71y± 0.68 Semi-major axis (a)0.1183a± 0.0049
Eccentricity (e)0.165± 0.038 Inclination (i)81.7°± 1.6 Longitude of periastron (ω)244.6°± 14.4
Node (Ω)179.5°± 0.8 Notesn ReferenceTok2017b
Equinox2000 Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 172.5 0.085
2001 177.2 0.114
2002 180.5 0.125
2003 183.6 0.119
2004 187.6 0.098
2005 194.7 0.067
2006 217.1 0.032
2007 311.0 0.026
2008 343.3 0.059
2009 352.0 0.090
2010 356.8 0.107
2011 0.9 0.104
2012 6.6 0.076
2013 26.8 0.030
2014 154.2 0.033
2015 171.7 0.080
2016 176.8 0.112
2017 180.1 0.125
2018 183.2 0.120
2019 187.0 0.101
2020 193.5 0.071
2021 212.1 0.036
2022 301.1 0.023
2023 341.6 0.055
2024 351.3 0.087
2025 356.3 0.106
2026 0.4 0.105
2027 5.7 0.081
2028 21.5 0.036
2029 147.8 0.027
2030 170.7 0.075


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


 
  


wds17447-4244e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17447-4244 FIN 341 (HD 160928) : NOTES
 
 
discov_num notes refcode
FIN 341 Appears to be in rapid motion.
 
 
REFERENCES
 
 
refcode metd author reference
Tok2017b orb j Tokovinin, A. 2017AJ....154..110T
Tok2017b AJ 154, 110, 2017
 
 
DISCOVERER
 
 
idgroup discov author
1 FIN Finsen, W.S.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17447-4244 FIN 341 1991 10 92 0.2 6.60 6.60 A1V+F0IV N 174442.01-424345.5
17447-4244 FIN 341 2009 13 174 0.1 6.60 6.60 A1V+F0IV N 174442.01-424345.5
17447-4244 FIN 341 2015 12 176 0.1 6.60 6.60 A1V+F0IV N 174442.01-424345.5
17447-4244 FIN 341 2017 14 182 0.1 6.60 6.60 A1V+F0IV N 174442.01-424345.5
17447-4244 FIN 341 2018 15 184 0.1 6.60 6.60 A1V+F0IV NO 174442.01-424345.5
17447-4244 FIN 341 2019 16 190 0.1 6.60 6.60 A1V+F0IV NO 174442.01-424345.5
17447-4244 FIN 341 2020 17 196 0.1 6.60 6.60 A1V+F0IV NO 174442.01-424345.5
17447-4244 FIN 341 2021 18 226 0.0 6.60 6.60 A1V+F0IV NO 174442.01-424345.5

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

 
 
WDS 17447-4244 FIN 341 (HD 160928) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17447-4244 FIN 341 (HD 160928) : MEASURES
 
 
No records found.

 
 
WDS 17447-4244 (HD 160928) : VIRTUAL EYEPIECE
 
 

17447-4244 FIN 341A mag 6.6 Sp A1V 17447-4244 FIN 341B mag 6.6 Sp F0IV 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 17447-4244 (HD 160928) : ALADIN DSS IMAGE @ 17h 44m 42.01s -42° 43' 45.5"
 
 
 
 
WDS 17447-4244 FIN 341 (HD 160928) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17447-4244 FIN 341 distance=0' 17466-4241 BRT 994 distance=21' 17429-4220 CPO 548 distance=31' 17426-4312 BRT 988 distance=37' 17466-4320 CPO 552 distance=42' 17427-4208 DON 860 distance=43' 17470-4330 COO 220 distance=53' 17484-4322 BRT 996 distance=56' 17396-4246 CPO 544 distance=57' 17477-4329 DON 864 distance=57' 17458-4147 BRT 992 distance=59' 17488-4207 BRT 998 distance=59' 17500-4238 I 1341 distance=60' 17500-4232 BRT 999 distance=60' 17390-4251 SKF1417 distance=63' 17395-4214 HDS2496 distance=65' 17390-4309 MOC 13AB distance=68' 17390-4309 MOC 13AC distance=68' 17390-4309 MOC 13AD distance=68' 17390-4309 MOC 13AE distance=68' 17436-4135 CPO 549 distance=70' 17512-4251 LDS 614 distance=72' 17383-4259 DON 849 distance=73' 17411-4143 RSS 456AB distance=73' 17411-4143 TOK 315AC distance=73' 17412-4142 COO 218AB distance=74' 17412-4142 FIN 428BC distance=74' 17411-4141 TDT 464 distance=75' 17497-4335 RSS 463 distance=75' 17471-4133 BRT 995 distance=76' 17514-4311 CPO 557 distance=79' 17456-4403 DON 861 distance=79' 17375-4255 CPO 537 distance=80' 17464-4124 BRT 993 distance=82' 17405-4352 DON 854AB distance=83' 17405-4352 COO 217AC distance=83' 17373-4300 SEE 510AB (Sargas) distance=83' 17373-4300 SEE 510Aa,Ab distance=83' 17420-4401 DON 857 distance=84' 17432-4119 RST5441 distance=86' 17434-4119 TDT 477 distance=87' 17488-4130 I 1339 distance=87' 17425-4120 RST1979 distance=88' 17482-4404 DON 865AB distance=89' 17482-4404 CPO 555AC distance=89' 17447-4415 RSS 460 distance=91' 17364-4245 I 1006 distance=92' 17504-4139 SEE 341 distance=93' 17520-4333 CPO 558 distance=94' 17468-4112 KPP1691 distance=95' 17504-4131 RSS 464 distance=97' 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 17447-4244 FIN 341 226 0.0
Show 17466-4241 BRT 994 92 3.6 21
Show 17429-4220 CPO 548 240 6.0 31
Show 17426-4312 BRT 988 305 4.1 37
Show 17466-4320 CPO 552 178 3.0 42
Show 17427-4208 DON 860 3 0.5 43
Show 17470-4330 COO 220 331 13.0 53
Show 17484-4322 BRT 996 224 5.6 56
Show 17396-4246 CPO 544 327 5.4 57
Show 17477-4329 DON 864 179 0.5 57
Show 17458-4147 BRT 992 215 6.6 59
Show 17488-4207 BRT 998 126 5.0 59
Show 17500-4238 I 1341 111 0.4 60
Show 17500-4232 BRT 999 49 2.7 60
Show 17390-4251 SKF1417 328 2.2 63
Show 17395-4214 HDS2496 300 2.9 65
Show 17390-4309 MOC 13 AB 222 3.6 68
Show 17390-4309 MOC 13 AC 328 4.8 68
Show 17390-4309 MOC 13 AD 145 5.9 68
Show 17390-4309 MOC 13 AE 128 6.5 68
Show 17436-4135 CPO 549 265 4.0 70
Show 17512-4251 LDS 614 37 45.4 72
Show 17383-4259 DON 849 178 1.6 73
Show 17411-4143 RSS 456 AB 297 9.1 73
Show 17411-4143 TOK 315 AC 140 388.8 73
Show 17412-4142 COO 218 AB 55 15.2 74
Show 17412-4142 FIN 428 BC 356 8.5 74
Show 17411-4141 TDT 464 230 0.9 75
Show 17497-4335 RSS 463 146 21.5 75
Show 17471-4133 BRT 995 79 5.7 76
Show 17514-4311 CPO 557 225 3.7 79
Show 17456-4403 DON 861 340 5.7 79
Show 17375-4255 CPO 537 72 6.7 80
Show 17464-4124 BRT 993 340 4.8 82
Show 17405-4352 DON 854 AB 122 7.3 83
Show 17405-4352 COO 217 AC 203 15.5 83
Show Sargas 17373-4300 SEE 510 AB 315 6.5 83
Show 17373-4300 SEE 510 Aa,Ab 98 0.2 83
Show 17420-4401 DON 857 44 0.9 84
Show 17432-4119 RST5441 13 0.1 86
Show 17434-4119 TDT 477 276 8.0 87
Show 17488-4130 I 1339 100 0.4 87
Show 17425-4120 RST1979 258 0.6 88
Show 17482-4404 DON 865 AB 55 2.5 89
Show 17482-4404 CPO 555 AC 54 9.1 89
Show 17447-4415 RSS 460 358 14.9 91
Show 17364-4245 I 1006 175 0.7 92
Show 17504-4139 SEE 341 64 19.4 93
Show 17520-4333 CPO 558 16 6.0 94
Show 17468-4112 KPP1691 49 13.1 95
Show 17504-4131 RSS 464 95 20.5 97

 
 
WDS 17447-4244 : COMPONENTS
 
 
  A
B pa=216.9°
sep=0.02"
 
 
17447-4244 A
 
 
Componente originario normalizzato AB Name HD 160928 Coord arcsec 2000 174442.01-424345.5 Mag 6.6
Spectral class A1V (white) PmRA -1.00 PmDE 10.0 SAO 228363
HIP 86847 Tycho2 7893-02172-1 HD 160928 HR 6597
GC 24054 CD CD-4212431 CP CP-42 7927
Tycho2
Tycho2 7893-02172-1 Pflag RAmdeg 266.17503926 DEmdeg -42.72928685
PmRA 4.8 PmDE 5.7 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 0.8 EpRAm 1991.31 EpDEm 1990.79
Num 10 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.1 BTmag 6.069 E BTmag 0.014 VTmag 5.892
E VTmag 0.010 Prox 999 TYC T HIP 86847
CCDM RAdeg 266.17502389 DEdeg -42.72930056 EpRA 1990 1.67
EpDE 1990 1.24 E RAdeg 3.5 E DEdeg 4.0 Posflg
Corr 0.0
SAO
SAO 228363 DelFlag RA1950 PmRA1950 0.0005
DE1950 PmDE1950 0.019 Vmag 6.2 SpType A2
Double code Source 70 CatNum 24054 DM CD-4212431
DMcomp BDsup HD 160928 M HD 0
GC 24054 RA1950rad 4.62997058 DE1950rad -0.7454033 PmRA2000 0.0005
PmDE2000 0.019
Hipparcos
Catalog H HIP 86847 Proxy RAhms 17 44 42.01
DEdms -42 43 45.5 Vmag 5.87 VarFlag R Vmag H
RAdeg 266.175 DEdeg -42.7293 AstroRef Plx 12.12
CCDM 17447-4244 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 160928 BD
CD CD-4212431 CP CP-42 7927 Dm number -4212431 VIred 0.15
SpType A2/A3IV/V R SpType Coord arcsec 2000 174442.01-424345.5
Hipparcos 2
HIP 86847 Sn 5 So 0 Nc 1
RArad 4.6456305579 DErad -0.7457669755 Plx 13.87 PmRA 5.36
PmDE -0.77 E RArad 0.36 E DErad 0.26 E Plx 0.39
E pmRA 0.47 E pmDE 0.3 Hpmag 5.9239 E Hpmag 0.0008
SHp 0.006 VA 0 BV 0.163 E BV 0.005
VI 0.18
CCDM
Ccdm 17447-4244 RComp Comp A Note1
Note2 Discov num DRAs 0.04 DDEs 14.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.9 Sp A2 PmNote *
PmRA 7 PmDE 3 Dm number -4212431 Cat1 CD
Name2 228363 Cat2 SAO HD 160928 M HD
ADS BDS M ADS BDS N IDS IDS 17375S4241A
HIC 86847
 
 
17447-4244 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 174442.01-424345.5 Mag 6.6 Spectral class F0IV (yellow-white)
Calc coord yes
CCDM
Ccdm 17447-4244 RComp Comp B Note1
Note2 Discov num FIN 341 DRAs DDEs
R dRAs Year 1959 Theta 027 Rho 0.1
Obs 2 Vmag 7.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17375S4241B
HIC 86847