BeschreibungNearby Stars (14ly Radius).svg	English: A spatial representation of every star within 14 light-years of Sol. There are 32 known stars in this region, including Sol. The stars are coloured according to the spectral type, which may not reflect the actual colour. Please see this Wikipedia article for the listing of stars. If a star is double or triple the stars are shown stacked vertically: the actual position is the star closest to the centre plane. The stars on this map may not all be visible to the naked eye, as many are dwarf stars. Some of this information may be preliminary and not entirely accurate as a result. The coordinate system is right ascension and declination. Hours of RA are marked, as well as distance in multiples of 5 light-years.
Datum	6. April 2008
Quelle	self-made, Mathematica, Inkscape. See also: http://www.daviddarling.info/encyclopedia/S/starsnearest.html
Urheber	Inductiveload
Genehmigung (Weiternutzung dieser Datei)	Public domainPublic domainfalsefalse Ich, der Urheberrechtsinhaber dieses Werkes, veröffentliche es als gemeinfrei. Dies gilt weltweit. In manchen Staaten könnte dies rechtlich nicht möglich sein. Sofern dies der Fall ist: Ich gewähre jedem das bedingungslose Recht, dieses Werk für jedweden Zweck zu nutzen, es sei denn, Bedingungen sind gesetzlich erforderlich.
Andere Versionen	македонски русский slovenščina українська Deutsch
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Mathematica Code

raToTheta[{h_, m_, s_}] := 15*h + 15/60*m + 15/3600*s;
decToPhi[{d_, m_, s_}] := 90 - (d + (m/60 + s/3600)*Sign[d]);

(*Returns celestial RA and Dec as radians in spherical coords*)
celestialToSph[{{rah_, ram_, ras_}, {dd_, dm_, ds_}, dist_, name_}] :=
  {
   raToTheta[{rah, ram, ras}] Degree,
   decToPhi[{dd, dm, ds}] Degree,
   dist
   };

(*Map Spherical coords to Cartesian*)
sphereMap[{phi_, theta_, r_}] :=
  {
   r*Sin[theta] Cos[phi],
   r*Sin[theta] Sin[phi],
   r*Cos[theta]};

(*Produce a circle of radius r offset in the z axis by z*)
offsetCircle[r_, z_] := ParametricPlot3D[
   {r*Cos[t],
    r*Sin[t],
    z},
   {t, 0, 2 Pi}];

(*Star list as {RA},{Dec},Distance,Name}*)
starList =
  {
   {{0, 0, 0}, {0, 0, 0}, 0, "Sun"},
   {{14, 29, 43}, {-62, 40, 46}, 4.2421, "Proxima Centauri"},
   {{14, 39, 36.5}, {-60, 50, 02}, 4.3650, "\[Alpha] Centauri"},
   {{17, 39, 35.1}, {4, 41, 36}, 5.9630, "Barnard's Star"},
   {{10, 49, 18.7}, {-53, 19, 10}, 6.5880, "Luhman 16"},
   {{10, 56, 29.2}, {7, 0, 53}, 7.7825, "Wolf 359"},
   {{11, 3, 20.2}, {35, 58, 12}, 8.2905, "Lalande 21185"},
   {{6, 45, 8.8}, {-16, 42, 58}, 8.5828, "Sirius"},
   {{1, 39, 1.3}, {-17, 57, 01}, 8.7280, "Luyten 726-8"},
   {{15, 41, 51.5}, {-22, 50, 25}, 9.3000, "Wise 1541-2250"},
   {{18, 49, 49.4}, {-23, 50, 10}, 9.6183, "Ross 154"},
   {{23, 41, 54.7}, {44, 10, 30}, 10.322, "Ross 248"},
   {{3, 32, 55.8}, {-9, 27, 30}, 10.522, "\[Epsilon] Eridani"},
   {{23, 5, 52}, {-35, 51, 11}, 10.742, "Lacaille 9352"},
   {{11, 47, 44.4}, {0, 48, 16}, 10.919, "Ross 128"},
   {{22, 38, 33.4}, {-15, 18, 7}, 11.266, "EZ Aquarii"},
   {{07, 39, 18.1}, {5, 13, 30}, 11.402, "Procyon"},
   {{21, 06, 53.9}, {38, 44, 58}, 11.403, "61 Cygni"},
   {{18, 42, 46.7}, {59, 37, 49}, 11.525, "Struve 2398"},
   {{1, 18, 22.9}, {44, 1, 23}, 11.624, "Groombridge 34"},
   {{22, 3, 21.7}, {-56, 47, 10}, 11.824, "\[Epsilon] Indi"},
   {{8, 29, 49.5}, {26, 46, 37}, 11.826, "DX Cancri"},
   {{1, 44, 4.1}, {-15, 56, 15}, 11.887, "\[Tau] Ceti"},
   {{3, 35, 59.7}, {-44, 30, 45}, 11.991, "GJ 1061"},
   {{1, 12, 30.6}, {-16, 59, 56}, 12.132, "YZ Ceti"},
   {{07, 27, 24.5}, {5, 13, 33}, 12.366, "Luyten's Star"},
   {{2, 53, 0.9}, {16, 52, 53}, 12.571, "Teegarden's Star"},
   {{18, 45, 5.3}, {-63, 57, 48}, 12.571, "SCR 1845-6357"},
   {{5, 11, 40.6}, {-45, 1, 6}, 12.777, "Kapteyn's Star"},
   {{21, 17, 15.3}, {-38, 52, 03}, 12.870, "Lacaille 8760"},
   {{22, 27, 59.5}, {57, 41, 45}, 13.149, "Kruger 60"},
   {{10, 48, 14.7}, {-39, 56, 06}, 13.167, "DEN 1048-3956"},
   {{6, 29, 23.4}, {-2, 48, 50}, 13.349, "Ross 614"}
     };

(*Get stars in {phi, theta, r} format*)
starsDeg = Map[celestialToSph, starList, 1];
(*Map into the Cartesian space*)
starPlot = sphereMap /@ starsDeg;
stars = ListPointPlot3D[starPlot];
labels = Table[
   Graphics3D[
    Text[
     starList[[i, 4]],
     starPlot[[i]],
     {-1.1, 0}
     ]],
   {i, 1, Length[starList]}];
posLines = Table[
   Graphics3D[{Orange,
     Line[
      {{0, 0, 0},
       {starPlot[[i, 1]], starPlot[[i, 2]], 0},
       starPlot[[i]]}
      ]}],
   {i, 2, Length[starList]}];
gridhours = Graphics3D[
   {Line[{{-20, 0, 0}, {20, 0, 0}}],
    Line[{{0, -20, 0}, {0, 20, 0}}]}];
gridly = {offsetCircle[5, 0],
   offsetCircle[10, 0],
   offsetCircle[15, 0]};
viewDist = 20000; (*Distance of Viewpoint*)
viewRA = 225 Degree; (*RA of viewpoint*)
viewDec = 20 Degree;(*Dec of viewpoint*)
Show[
 labels,
 posLines,
 stars,
 gridhours,
 gridly,
 
 BaseStyle -> {FontFamily -> "DejaVu Sans"},
 PlotRange -> {{-15, 15}, {-15, 15}, {-12, 12}}
{{QualityImage}},
 SphericalRegion -> True,
 Axes -> False,
 BoxRatios -> {1, 1, 1},
 Boxed -> False,
(*ViewPoint -> {Sin[viewRA]*viewDist, Cos[viewRA]*viewDist, 
   Sin[viewDec]*viewDist},*)
 (*ViewVertical -> {0, 0, 1},*)
 AxesLabel -> {"x", "y", "z"},
 ImageSize -> 1000]