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Doubles in session


Current system
10446+0530
A 2771
HD 93017


Nearby doubles
11' : 10449+0540
SLE 591

11' : 10440+0525
SLE 590

17' : 10452+0515
SLW 521

19' : 10434+0533
SLE 588

20' : 10458+0538
SLW 523

35' : 10447+0605
GWP1449

50' : 10433+0445
STF1466AB

53' : 10448+0622
SLW 519

55' : 10432+0440
A 2769

60' : 10473+0445
SLE 593

63' : 10483+0458
SKF2040

64' : 10410+0602
LDS2876

67' : 10481+0448
CVR 578

67' : 10459+0426
BAL2844

71' : 10464+0424
SLE 592

73' : 10415+0625
CVR1304

77' : 10436+0415
OCC 262

78' : 10425+0640
LDS2877

79' : 10467+0641
CVR 575

83' : 10435+0410
LDS2878

83' : 10418+0419
SLE 587

85' : 10396+0607
GWP1424

87' : 10403+0432
OCC9152

88' : 10494+0439
GIC 93

88' : 10446+0402
A 2770

90' : 10387+0544
STF1457



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.

10446+0530 A 2771 (HD 93017)

 
 
10h 44m 38.71s +05° 29' 55.0" P.A. 109.00 sep 0.6 mag 9.18,9.70 Sp K0 dist. 71.79 pc (234.18 l.y.)
 
 
Coord 2000 10446+0530 Discov num A  2771 Comp Coord arcsec 2000 10 44 38.71 +05 29 55.0
Date first 1914 Date last 2021 Obs 39
Pa first 209 Pa last 109.1 P.A. Now (θ) 109.1°
Sep first 0.8 Sep last 0.636 Sep. Now (ρ) 0.636"
Mag pri 9.18 Mag sec 9.70 delta mag (ΔM) 0.52 Spectral class K0 (yellow-orange)
Pri motion ra +006 Sec motion ra
Pri motion dec +002 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 93017 Constellation Sextans SAO 118465 HIP 52547
Tycho2 0260-00604-1 Gaia DR2 3858414794126696192 HD 93017 ADS 7911
BD BD+06 2343 Distance 71.79 Distance ly 234.18
 
 
ORBITAL ELEMENTS
 
 
Period (P)549y Periastron (T)1993.47y Semi-major axis (a)1.016a
Eccentricity (e)0.834 Inclination (i)131.4° Longitude of periastron (ω)52.8°
Node (Ω)288.6° Notes ReferenceTok2014a
Equinox2000 Last observation2013 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 157.0 0.179
2001 150.1 0.201
2002 144.6 0.223
2003 140.1 0.246
2004 136.4 0.268
2005 133.2 0.290
2006 130.5 0.312
2007 128.1 0.333
2008 126.0 0.354
2009 124.1 0.374
2010 122.4 0.393
2011 120.9 0.412
2012 119.5 0.431
2013 118.2 0.449
2014 117.1 0.467
2015 116.0 0.484
2016 115.0 0.501
2017 114.0 0.517
2018 113.1 0.533
2019 112.3 0.549
2020 111.5 0.564
2021 110.7 0.579
2022 110.0 0.594
2023 109.3 0.609
2024 108.7 0.623
2025 108.0 0.637
2026 107.4 0.650
2027 106.9 0.664
2028 106.3 0.677
2029 105.8 0.690
2030 105.3 0.702


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


 
  


wds10446%2B0530b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 10446+0530 A 2771 (HD 93017) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2014a orb j Tokovinin, A., Mason, B.D., & Hartkopf, W.I. 2014AJ....147..123T
Tok2014a +St AJ 147, 123, 2014 (some measures corrected in Tok2017b) 2017AJ....154..110T
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10446+0530 A 2771 1996 29 233 0.2 9.18 9.70 K0 O 104438.71+052955.0
10446+0530 A 2771 2009 30 125 0.4 9.18 9.70 K0 O 104438.71+052955.0
10446+0530 A 2771 2010 31 123 0.4 9.18 9.70 K0 O 104438.71+052955.0
10446+0530 A 2771 2011 32 121 0.4 9.18 9.70 K0 O 104438.71+052955.0
10446+0530 A 2771 2013 33 118 0.5 9.18 9.70 K0 O 104438.71+052955.0
10446+0530 A 2771 2018 38 112 0.6 9.18 9.70 K0 O 104438.71+052955.0
10446+0530 A 2771 2021 39 109 0.6 9.18 9.70 K0 O 104438.71+052955.0

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

 
 
WDS 10446+0530 A 2771 (HD 93017) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10446+0530 A 2771 (HD 93017) : MEASURES
 
 
No records found.

 
 
WDS 10446+0530 (HD 93017) : VIRTUAL EYEPIECE
 
 

10446+0530 A 2771A mag 9.18 Sp K0 10446+0530 A 2771B sep 0.6 P.A. 109.20 mag 9.7 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 10446+0530 (HD 93017) : ALADIN DSS IMAGE @ 10h 44m 38.71s +05° 29' 55.0"
 
 
 
 
WDS 10446+0530 A 2771 (HD 93017) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10446+0530 A 2771 distance=0' 10449+0540 SLE 591 distance=11' 10440+0525 SLE 590 distance=11' 10452+0515 SLW 521 distance=17' 10434+0533 SLE 588 distance=19' 10458+0538 SLW 523 distance=20' 10447+0605 GWP1449 distance=35' 10433+0445 STF1466AB distance=50' 10433+0445 STF1466AC distance=50' 10448+0622 SLW 519 distance=53' 10432+0440 A 2769 distance=55' 10473+0445 SLE 593 distance=60' 10483+0458 SKF2040 distance=63' 10410+0602 LDS2876 distance=64' 10481+0448 CVR 578 distance=67' 10459+0426 BAL2844 distance=67' 10464+0424 SLE 592 distance=71' 10415+0625 CVR1304 distance=73' 10436+0415 OCC 262 distance=77' 10425+0640 LDS2877 distance=78' 10467+0641 CVR 575 distance=79' 10435+0410 LDS2878 distance=83' 10418+0419 SLE 587 distance=83' 10396+0607 GWP1424 distance=85' 10403+0432 OCC9152 distance=87' 10494+0439 GIC 93 distance=88' 10446+0402 A 2770 distance=88' 10387+0544 STF1457 distance=90' 10385+0523 HJ 835 distance=92' 10388+0603 LDS2875 distance=93' 10443+0706 SLW 516 distance=97' 10510+0502 HDS1549 distance=100' 10486+0652 GWP1463 distance=102' 10376+0505 HJ 2540 distance=108' 10446+0725 LAS 16 distance=115' 10523+0555 LWR 10 distance=117' 10426+0335 A 2768 distance=119' 10424+0726 WSP 104 distance=121' 10509+0648 LAF 42AB distance=122' 10509+0648 LAF 42AC distance=122' 10509+0648 RAO 256Aa,Ab distance=122' 10526+0500 A 2773 distance=123' 10516+0635 J 80 distance=123' 10410+0336 J 1369 distance=127' 10530+0458 TOK 438 distance=130' 10497+0343 BAL2845 distance=132' 10478+0733 HJ 837 distance=132' 10386+0354 LDS2874 distance=133' 10428+0317 KPP3824 distance=136' 10404+0329 SLW 506 distance=137' 10389+0721 J 79 distance=141' 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 10446+0530 A 2771 109 0.6
Show 10449+0540 SLE 591 126 6.7 11
Show 10440+0525 SLE 590 164 12.9 11
Show 10452+0515 SLW 521 139 34.7 17
Show 10434+0533 SLE 588 247 17.9 19
Show 10458+0538 SLW 523 64 121.7 20
Show 10447+0605 GWP1449 342 34.8 35
Show 10433+0445 STF1466 AB 239 6.8 50
Show 10433+0445 STF1466 AC 210 333.8 50
Show 10448+0622 SLW 519 171 168.8 53
Show 10432+0440 A 2769 207 0.5 55
Show 10473+0445 SLE 593 334 6.4 60
Show 10483+0458 SKF2040 73 4.2 63
Show 10410+0602 LDS2876 131 22.2 64
Show 10481+0448 CVR 578 97 17.6 67
Show 10459+0426 BAL2844 329 5.0 67
Show 10464+0424 SLE 592 134 19.5 71
Show 10415+0625 CVR1304 322 4.0 73
Show 10436+0415 OCC 262 -1 0.1 77
Show 10425+0640 LDS2877 274 5.6 78
Show 10467+0641 CVR 575 244 29.0 79
Show 10435+0410 LDS2878 261 6.2 83
Show 10418+0419 SLE 587 115 21.7 83
Show 10396+0607 GWP1424 101 97.3 85
Show 10403+0432 OCC9152 -1 0.2 87
Show 10494+0439 GIC 93 356 702.2 88
Show 10446+0402 A 2770 16 0.8 88
Show 10387+0544 STF1457 334 1.9 90
Show 10385+0523 HJ 835 9 15.7 92
Show 10388+0603 LDS2875 40 46.2 93
Show 10443+0706 SLW 516 217 159.2 97
Show 10510+0502 HDS1549 354 0.5 100
Show 10486+0652 GWP1463 192 20.0 102
Show 10376+0505 HJ 2540 306 27.9 108
Show 10446+0725 LAS 16 338 9.0 115
Show 10523+0555 LWR 10 92 26.7 117
Show 10426+0335 A 2768 237 0.6 119
Show 10424+0726 WSP 104 177 6.8 121
Show 10509+0648 LAF 42 AB 324 12.5 122
Show 10509+0648 LAF 42 AC 338 13.9 122
Show 10509+0648 RAO 256 Aa,Ab 214 0.1 122
Show 10526+0500 A 2773 347 1.7 123
Show 10516+0635 J 80 219 3.9 123
Show 10410+0336 J 1369 121 7.5 127
Show 10530+0458 TOK 438 189 0.0 130
Show 10497+0343 BAL2845 158 5.7 132
Show 10478+0733 HJ 837 350 17.4 132
Show 10386+0354 LDS2874 153 4.5 133
Show 10428+0317 KPP3824 228 2.1 136
Show 10404+0329 SLW 506 50 51.7 137
Show 10389+0721 J 79 135 1.4 141

 
 
WDS 10446+0530 : COMPONENTS
 
 
  A
B pa=109.2°
sep=0.63"
 
 
10446+0530 A
 
 
Componente originario normalizzato AB Name HD 93017 Coord arcsec 2000 104438.71+052955.0 Mag 9.18
Spectral class K0 (yellow-orange) PmRA 6.00 PmDE 2.0 SAO 118465
HIP 52547 Tycho2 0260-00604-1 HD 93017 BD BD+06 2343
Tycho2
Tycho2 0260-00604-1 Pflag RAmdeg 161.16129546 DEmdeg 5.49860587
PmRA 4.9 PmDE 3.9 E RAmdeg 9 E DEmdeg 11
E pmRA 1.5 E pmDE 1.4 EpRAm 1990.87 EpDEm 1990.38
Num 10 Q RAmdeg 1.0 Q DEmdeg 0.5 Q pmRA 1.0
Q pmDE 0.6 BTmag 9.342 E BTmag 0.023 VTmag 8.600
E VTmag 0.017 Prox 999 TYC T HIP 52547
CCDM AS RAdeg 161.16128472 DEdeg 5.49859750 EpRA 1990 1.80
EpDE 1990 1.82 E RAdeg 9.2 E DEdeg 11.3 Posflg P
Corr 0.2
SAO
SAO 118465 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.013 Vmag 8.5 SpType K0
Double code Source 32 CatNum 5574 DM BD+06 2343
DMcomp BDsup HD 93017 M HD 0
GC RA1950rad 2.80145596 DE1950rad 0.10055539 PmRA2000 0.0007
PmDE2000 -0.009
Hipparcos
Catalog H HIP 52547 Proxy H RAhms 10 44 38.71
DEdms +05 29 55.0 Vmag 8.52 VarFlag R Vmag H
RAdeg 161.161 DEdeg 5.4986 AstroRef * Plx 14.77
CCDM 10446+0530 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AS
Theta 273 Rho 0.228 HD 93017 BD BD+06 2343
CD CP Dm number +06 2343 VIred 0.7
SpType K0 R SpType Coord arcsec 2000 104438.71+052955.0
Hipparcos 2
HIP 52547 Sn 55 So 3 Nc 2
RArad 2.8127950789 DErad 0.0959686403 Plx 13.93 PmRA 5.2
PmDE 4.23 E RArad 1.22 E DErad 1 E Plx 1.52
E pmRA 1.61 E pmDE 1.31 Hpmag 8.6599 E Hpmag 0.0031
SHp 0.016 VA 0 BV 0.685 E BV 0.024
VI 0.74
CCDM
Ccdm 10446+0530 RComp Comp A Note1
Note2 Discov num DRAs 2.66 DDEs -5.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp K0 PmNote *
PmRA -5 PmDE -12 Dm number +06 2343 Cat1 BD
Name2 +05 1557 Cat2 AGK2/3 HD 93017 M HD
ADS BDS A 7911 M ADS BDS N IDS IDS 10394N0601A
HIC 52547
 
 
10446+0530 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 104438.75+052954.8 Mag 9.7 Calc delta mag 0.52
Calc coord yes
CCDM
Ccdm 10446+0530 RComp Comp B Note1
Note2 Discov num A 2771 DRAs DDEs
R dRAs Year 1954 Theta 186 Rho 0.5
Obs 11 Vmag 9.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7911 M ADS BDS N IDS IDS 10394N0601B
HIC 52547