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Doubles in session


Current system
17190-3459
MLO 4 AB
NSV8482


Nearby doubles
36' : 17184-3425
RST3084

38' : 17175-3532
SNA 67

43' : 17209-3535
B 907

49' : 17204-3544
TDT 312

56' : 17178-3406
B 1333

56' : 17164-3545
HDO 267

62' : 17158-3412
RST3080

65' : 17147-3422
RST3078

66' : 17241-3518
RST3090

68' : 17198-3606
WFC 288AB

69' : 17234-3542
BRT1715

69' : 17158-3403
B 904

70' : 17209-3604
SNA 70

73' : 17182-3347
BRT1711

74' : 17231-3407
DAW 73

79' : 17167-3346
B 905

79' : 17249-3530
LDS 595

81' : 17251-3434
I 595

85' : 17158-3344
SEE 322AB

86' : 17247-3412
HJ 4946AB

87' : 17186-3333
TDT 301

92' : 17180-3329
B 1334

92' : 17195-3328
BRT1712

94' : 17246-3602
B 910

98' : 17153-3333
SNA 65AB

102' : 17220-3325
B 1335



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.

17190-3459 MLO 4 AB (NSV8482)

 
 
17h 18m 57.16s -34° 59' 23.1" P.A. 323.00 sep 1.3 mag 6.37,7.38 Sp K3V+K5V dist. 6.84 pc (22.31 l.y.)
 
 
Coord 2000 17190-3459 Discov num MLO   4 Comp AB Coord arcsec 2000 17 18 57.16 -34 59 23.1
Date first 1876 Date last 2021 Obs 269
Pa first 240 Pa last 323 P.A. Now (θ) 314.1°
Sep first 1.8 Sep last 1.272 Sep. Now (ρ) 1.534"
Mag pri 6.37 Mag sec 7.38 delta mag (ΔM) 1.01 Spectral class K3V+K5V (yellow-orange/yellow-orange)
Pri motion ra +116 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes N O P (See Notes, Orbital solution, 100-year proper motion)
This double is physical.
 
 
17190-3459 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show NSV8482 208670 17 18 57 -34 59 23 MLO 4 AB 2021 269 323 1.3 6.37 7.38 1.01 Y <===
Show 208670 17 18 57 -34 59 23 HJ 4935 AC 2022 66 142 32.6 6.37 10.27 3.90 Y
Show 208670 17 18 57 -34 59 23 SEE 509 AD 2022 28 285 92.0 6.37 12.45 6.08
Show 17 18 56 -34 59 22 HJ 4935 BC 2002 45 136 31.4 7.38 10.27 2.89
Show 17 18 56 -34 59 22 SEE 509 BD 1959 26 312 20.3 7.38 12.45 5.07
Show 17 18 59 -34 59 48 SEE 509 CD 2022 33 294 119.7 10.27 12.45 2.18
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV8482 Constellation Scorpius SAO 208670 HIP 84709
Tycho2 7370-00850-1 HD 156384 HR 6426 GC 23362
GL Gl 667A CD CD-3411626 CP CP-34 6803 Distance 6.84
Distance ly 22.31
 
 
ORBITAL ELEMENTS
 
 
Period (P)42.089y± 0.063 Periastron (T)58138.3d (2018.053y)± 5.8 Semi-major axis (a)1824.7m± 5.2
Eccentricity (e)0.573± 0.0034 Inclination (i)127.57°± 0.22 Longitude of periastron (ω)68.09°± 0.19
Node (Ω)133.22°± 0.5 Notesn ReferenceMnA2019
Equinox Last observation Grade1(1=Definitive, 9=Indet.)
label theta rho
2000 244.5 1.800
2001 240.0 1.750
2002 235.2 1.701
2003 230.1 1.653
2004 224.8 1.608
2005 219.1 1.565
2006 213.2 1.526
2007 206.9 1.491
2008 200.4 1.459
2009 193.5 1.430
2010 186.4 1.403
2011 179.1 1.376
2012 171.4 1.344
2013 163.3 1.301
2014 154.5 1.240
2015 144.5 1.144
2016 132.1 0.996
2017 114.0 0.777
2018 79.3 0.537
2019 22.7 0.529
2020 347.5 0.789
2021 330.8 1.080
2022 321.0 1.330
2023 314.1 1.534
2024 308.6 1.697
2025 304.0 1.826
2026 300.0 1.928
2027 296.3 2.006
2028 292.9 2.064
2029 289.6 2.105
2030 286.5 2.131


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


 
  


wds17190-3459d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17190-3459 MLO 4 AB (NSV8482) : NOTES
 
 
discov_num notes refcode
MLO 4 Proper motion +1167 -169. Spectral type of C may be M.
Good double-solution instead of unuseable HIP-data. Sod1999
Identification of ascending node is probable.
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
AB: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 1.07 +/- 0.61, 1.37, and 1.40 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
MnA2019 C j Mann, A.W., Dupuy, T., Kraus, A.L., Gaidos, E., Ansdell, M., Ireland, M., Rizzuto, 2019ApJ...871...63M
MnA2019 +orb A.C., Hung, C..-L., Dittmann, J., Factor, S., Feiden, G., Martinez, R.A.,
MnA2019 Ruiz-Rodriguez, D. & Chia Thao, P.
MnA2019 ApJ 871, 63, 2019
Sod1999 orb - Soderhjelm, S. 1999A&A...341..121S
Sod1999 A&A 341, 121, 1999
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
50 MLO Walker, G.J.
53 SEE See, T.J.J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17190-3459 MLO 4 AB 2007 235 206 1.5 6.37 7.38 K3V+K5V NODP 171856.36-345922.5
17190-3459 MLO 4 AB 2009 238 192 1.4 6.37 7.38 K3V+K5V NODP 171856.41-345922.4
17190-3459 MLO 4 AB 2010 242 185 1.3 6.37 7.38 K3V K5V NODP 171856.41-345922.4
17190-3459 MLO 4 AB 2014 243 153 1.2 6.37 7.38 K3V+K5V NODP 171856.41-345922.4
17190-3459 MLO 4 AB 2015 247 141 1.1 6.37 7.38 K3V+K5V NODP 171856.41-345922.4
17190-3459 MLO 4 AB 2016 249 124 0.9 6.37 7.38 K3V+K5V NO P 171857.16-345923.1
17190-3459 MLO 4 AB 2017 252 93 0.6 6.37 7.38 K3V+K5V NO P 171857.16-345923.1
17190-3459 MLO 4 AB 2018 256 48 0.5 6.37 7.38 K3V+K5V NO P 171857.16-345923.1
17190-3459 MLO 4 AB 2019 260 358 0.7 6.37 7.38 K3V+K5V NO P 171857.16-345923.1
17190-3459 MLO 4 AB 2021 269 323 1.3 6.37 7.38 K3V+K5V NO P 171857.16-345923.1

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

 
 
WDS 17190-3459 MLO 4 AB (NSV8482) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17190-3459 MLO 4 AB (NSV8482) : MEASURES
 
 
No records found.

 
 
WDS 17190-3459 (NSV8482) : VIRTUAL EYEPIECE
 
 

17190-3459 MLO 4A mag 6.37 Sp K3V 17190-3459 HJ 4935B sep 11.3 P.A. 274.60 mag 7.38 Sp K5V 17190-3459 SEE 509C sep 31.6 P.A. 143.20 mag 10.27 Sp M2V 17190-3459 SEE 509D sep 76.5 P.A. 287.80 mag 12.45 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 17190-3459 (NSV8482) : ALADIN DSS IMAGE @ 17h 18m 57.16s -34° 59' 23.1"
 
 
 
 
WDS 17190-3459 MLO 4 AB (NSV8482) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17190-3459 MLO 4AB distance=0' 17190-3459 HJ 4935BC distance=1' 17190-3459 SEE 509BD distance=1' 17190-3459 SEE 509CD distance=1' 17184-3425 RST3084 distance=36' 17175-3532 SNA 67 distance=38' 17209-3535 B 907 distance=43' 17204-3544 TDT 312 distance=49' 17178-3406 B 1333 distance=56' 17164-3545 HDO 267 distance=56' 17158-3412 RST3080 distance=62' 17147-3422 RST3078 distance=65' 17241-3518 RST3090 distance=66' 17198-3606 WSI 61Ba,Bb distance=68' 17198-3606 WFC 288AB distance=68' 17198-3606 SNA 69Aa,Ab distance=68' 17198-3606 SNA 69AC distance=68' 17234-3542 BRT1715 distance=69' 17158-3403 B 904 distance=69' 17209-3604 SNA 70 distance=70' 17182-3347 BRT1711 distance=73' 17231-3407 DAW 73 distance=74' 17167-3346 B 905 distance=79' 17249-3530 LDS 595 distance=79' 17251-3434 I 595 distance=81' 17158-3344 SEE 322AB distance=85' 17158-3344 SNA 66AC distance=85' 17247-3412 HJ 4946AB distance=86' 17247-3412 MZA 36Aa,Ab distance=86' 17247-3412 SNA 71AF distance=86' 17247-3412 SNA 71AG distance=86' 17247-3412 SNA 71AH distance=86' 17247-3412 SNA 71AI distance=86' 17247-3412 SNA 71AJ distance=86' 17247-3412 WSI 62CD distance=86' 17247-3412 WSI 62CE distance=86' 17247-3412 DAW 216BC distance=86' 17186-3333 TDT 301 distance=87' 17180-3329 B 1334 distance=92' 17195-3328 BRT1712 distance=92' 17246-3602 B 910 distance=94' 17153-3333 SNA 65Aa,Ab distance=98' 17153-3333 SNA 65AB distance=98' 17220-3325 B 1335 distance=102' 17116-3410 TDT 259 distance=104' 17207-3641 RSS 437 distance=104' 17175-3645 TDT 297 distance=107' 17268-3548 LDS 598 distance=108' 17258-3352 RST3095AB distance=109' 17258-3352 BRT3319AB,C distance=109' 17119-3353 RST1941 distance=110' 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 17190-3459 MLO 4 AB 323 1.3
Show 17190-3459 HJ 4935 AC 142 32.6
Show 17190-3459 SEE 509 AD 285 92.0
Show 17190-3459 HJ 4935 BC 136 31.4 1
Show 17190-3459 SEE 509 BD 312 20.3 1
Show 17190-3459 SEE 509 CD 294 119.7 1
Show 17184-3425 RST3084 109 0.3 36
Show 17175-3532 SNA 67 355 6.8 38
Show 17209-3535 B 907 253 3.5 43
Show 17204-3544 TDT 312 55 0.6 49
Show 17178-3406 B 1333 335 0.2 56
Show 17164-3545 HDO 267 19 76.1 56
Show 17158-3412 RST3080 117 1.7 62
Show 17147-3422 RST3078 157 0.1 65
Show 17241-3518 RST3090 334 1.3 66
Show 17198-3606 WSI 61 Ba,Bb 17 0.0 68
Show 17198-3606 WFC 288 AB 291 14.6 68
Show 17198-3606 SNA 69 Aa,Ab 14 0.2 68
Show 17198-3606 SNA 69 AC 300 7.9 68
Show 17234-3542 BRT1715 296 5.9 69
Show 17158-3403 B 904 293 2.5 69
Show 17209-3604 SNA 70 260 0.1 70
Show 17182-3347 BRT1711 36 2.4 73
Show 17231-3407 DAW 73 40 1.1 74
Show 17167-3346 B 905 299 3.3 79
Show 17249-3530 LDS 595 277 25.8 79
Show 17251-3434 I 595 142 0.8 81
Show 17158-3344 SEE 322 AB 277 0.2 85
Show 17158-3344 SNA 66 AC 272 7.0 85
Show 17247-3412 HJ 4946 AB 110 16.4 86
Show 17247-3412 MZA 36 Aa,Ab 206 0.4 86
Show 17247-3412 SNA 71 AF 254 4.2 86
Show 17247-3412 SNA 71 AG 46 4.4 86
Show 17247-3412 SNA 71 AH 92 5.3 86
Show 17247-3412 SNA 71 AI 308 5.3 86
Show 17247-3412 SNA 71 AJ 295 6.9 86
Show 17247-3412 WSI 62 CD 205 3.5 86
Show 17247-3412 WSI 62 CE 182 3.6 86
Show 17247-3412 DAW 216 BC 321 4.9 86
Show 17186-3333 TDT 301 84 0.6 87
Show 17180-3329 B 1334 160 2.5 92
Show 17195-3328 BRT1712 183 5.2 92
Show 17246-3602 B 910 317 0.3 94
Show 17153-3333 SNA 65 Aa,Ab 273 0.0 98
Show 17153-3333 SNA 65 AB 133 5.1 98
Show 17220-3325 B 1335 11 3.1 102
Show 17116-3410 TDT 259 105 2.1 104
Show 17207-3641 RSS 437 161 8.2 104
Show 17175-3645 TDT 297 292 0.5 107
Show 17268-3548 LDS 598 293 16.8 108
Show 17258-3352 RST3095 AB 346 0.3 109

 
 
WDS 17190-3459 : COMPONENTS
 
 
  A B C
B pa=274.6°
sep=11.34"
 
C pa=143.2°
sep=31.59"
pa=130.9°
sep=40.00"
 
D pa=287.8°
sep=76.55"
pa=290.0°
sep=65.55"
pa=297.9°
sep=103.91"
 
 
17190-3459 A
 
 
Name NSV8482 Coord arcsec 2000 171857.16-345923.1 Mag 6.37 Spectral class K3V (yellow-orange)
PmRA 116.00 PmDE -17.0 SAO 208670 HIP 84709
Tycho2 7370-00850-1 HD 156384 HR 6426 GC 23362
CD CD-3411626 CP CP-34 6803
Tycho2
Tycho2 7370-00850-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 7.521 E BTmag 0.016 VTmag 6.366
E VTmag 0.010 Prox 21 TYC HIP 84709
CCDM RAdeg 259.73506250 DEdeg -34.98957833 EpRA 1990 1.78
EpDE 1990 1.40 E RAdeg 3.7 E DEdeg 4.4 Posflg D
Corr -0.1
SAO
SAO 208670 DelFlag RA1950 PmRA1950 0.0951
DE1950 PmDE1950 -0.172 Vmag 5.9 SpType K2
Double code Source 70 CatNum 23362 DM CD-3411626
DMcomp BDsup HD 156384 M HD 0
GC 23362 RA1950rad 4.51842023 DE1950rad -0.60974576 PmRA2000 0.0952
PmDE2000 -0.164
Hipparcos
Catalog H HIP 84709 Proxy RAhms 17 18 56.36
DEdms -34 59 22.5 Vmag 5.91 VarFlag R Vmag G
RAdeg 259.735 DEdeg -34.9896 AstroRef Plx 143.45
CCDM 17190-3459 N CCDM I Nsys 1 Ncomp 1
MultFlag X Source Qual S M HIP
Theta Rho HD 156384 BD
CD CD-3411626 CP CP-34 6803 Dm number -3411626 VIred 1.21
SpType K4V R SpType Coord arcsec 2000 171856.36-345922.5
Hipparcos 2
HIP 84709 Sn 1 So 2 Nc 1
RArad 4.5332280535 DErad -0.6106832769 Plx 146.29 PmRA 1129.76
PmDE -77.02 E RArad 8.52 E DErad 4.56 E Plx 9.03
E pmRA 9.72 E pmDE 4.67 Hpmag 6.0194 E Hpmag 0.0008
SHp 0.007 VA 0 BV 1.082 E BV 0.027
VI 1.21
CCDM
Ccdm 17190-3459 RComp Comp A Note1
Note2 Discov num DRAs -2.93 DDEs -25.0
R dRAs 10 Year Theta Rho
Obs 4 Vmag 6.1 Sp K2 PmNote *
PmRA 1153 PmDE -187 Dm number -3411626 Cat1 CD
Name2 208670 Cat2 SAO HD 156384 M HD
ADS BDS M ADS BDS N IDS IDS 17121S3453A
HIC 84709
 
 
17190-3459 B
 
 
Coord arcsec 2000 171856.24-345922.2 Coord calc 171856.24-345922.2 Mag 7.38 Spectral class K5V (yellow-orange)
Calc delta mag 1.01
CCDM
Ccdm 17190-3459 RComp Comp B Note1 *
Note2 Discov num MLO 4 DRAs DDEs
R dRAs Year 1877 Theta Rho
Obs 99 Vmag 7.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17121S3453B
HIC 84709
 
 
17190-3459 C
 
 
Coord arcsec 2000 171858.70-345948.4 Coord calc 171858.70-345948.4 Mag 10.27 Spectral class M2V (red)
PmRA 116.00 PmDE -21.0 Calc delta mag 3.9
CCDM
Ccdm 17190-3459 RComp Comp C Note1
Note2 Discov num HJ 4935 DRAs DDEs
R dRAs Year 1948 Theta 136 Rho 30.8
Obs 99 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 17121S3453C
HIC
 
 
17190-3459 D
 
 
Coord arcsec 2000 171851.23-345859.8 Mag 12.45 PmRA 0.00 PmDE -1.0
Calc delta mag 6.08 Calc coord yes
CCDM
Ccdm 17190-3459 RComp Comp D Note1
Note2 Discov num SEE DRAs DDEs
R dRAs Year 1952 Theta 328 Rho 14.6
Obs 99 Vmag 12.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17121S3453D
HIC