{
  "date": "2026-10-30",
  "method": "Educational selection. Distances rounded from the cited primary institutional sources; directions from ICRS catalogue positions. No complete census. All 3D points heliocentric; cluster/group markers represent the indicated reference galaxy, not each member or a measured boundary.",
  "stars": [
    {
      "name": "Proxima Centauri",
      "kind": "M",
      "note": "Červený trpaslík; člen soustavy Alfa Centauri",
      "parallax_mas": 768.066539187357,
      "distance_ly": 4.25,
      "source": "https://gruze.org/10pc/",
      "catalog_record": {
        "NB_OBJ": "1",
        "NB_SYS": "1",
        "SYSTEM_NAME": "alf Cen",
        "OBJ_CAT": "LM",
        "OBJ_NAME": "Proxima Cen",
        "RA": "217.392321472009",
        "DEC": "-62.6760751167667",
        "EPOCH": "2016.0",
        "PARALLAX": "768.066539187357",
        "PARALLAX_ERROR": "0.049872905",
        "PARALLAX_BIBCODE": "2020yCat.1350....0G",
        "PMRA": "-3781.74100826516",
        "PMRA_ERROR": "0.031386077",
        "PMDEC": "769.465014647862",
        "PMDEC_ERROR": "0.050524533",
        "PM_BIBCODE": "2020yCat.1350....0G",
        "RV": "-22.345",
        "RV_ERROR": "0.006",
        "RV_BIBCODE": "2014MNRAS.439.3094B",
        "SP_TYPE": "M5.5",
        "SP_BIBCODE": "1995AJ....110.1838R",
        "SP_METHOD": "Opt Spec",
        "G_CODE": "3",
        "G": "8.984749",
        "G_ESTIMATE": "",
        "GBP": "11.373116",
        "GRP": "7.5685353",
        "U": "14.21",
        "B": "12.95",
        "V": "11.13",
        "R": "9.45",
        "I": "7.41",
        "J": "5.357",
        "H": "4.835",
        "K": "4.384",
        "SYSTEM_BIBCODE": "2018A&A...615A.172M",
        "EXOPLANET_COUNT": "1",
        "GAIA_DR2": "5853498713160606720",
        "GAIA_EDR3": "5853498713190525696",
        "SIMBAD_NAME": "alf Cen C",
        "COMMON_NAME": "Proxima Cen",
        "GJ": "GJ 551",
        "HD": "",
        "HIP": "HIP 70890",
        "COMMENT": "Proxima Cen c: candidate planet 2020SciA....6.7467D. Proxima Cen d: candidate planet 2022A&A...658A.115F"
      },
      "system_note": "For Sirius and Alpha Cen, the primary component parallax represents the pair. BL/UV use shared RECONS parallax 373.7 mas, rather than inconsistent component solutions in v2."
    },
    {
      "name": "Alfa Centauri A + B",
      "kind": "G + K",
      "note": "Dvě hvězdy v soustavě s Proximou",
      "parallax_mas": 743.0,
      "distance_ly": 4.39,
      "source": "https://gruze.org/10pc/",
      "catalog_record": {
        "NB_OBJ": "3",
        "NB_SYS": "1",
        "SYSTEM_NAME": "alf Cen",
        "OBJ_CAT": "*",
        "OBJ_NAME": "alf Cen A",
        "RA": "219.902058331708",
        "DEC": "-60.83399268831",
        "EPOCH": "2000.0",
        "PARALLAX": "743.0",
        "PARALLAX_ERROR": "1.3",
        "PARALLAX_BIBCODE": "2016A&A...586A..90P",
        "PMRA": "-3679.25",
        "PMRA_ERROR": "3.89",
        "PMDEC": "473.67",
        "PMDEC_ERROR": "3.24",
        "PM_BIBCODE": "2007A&A...474..653V",
        "RV": "-22.39",
        "RV_ERROR": "0.004",
        "RV_BIBCODE": "2016A&A...586A..90P",
        "SP_TYPE": "G2",
        "SP_BIBCODE": "2006A&A...460..695T",
        "SP_METHOD": "Opt Spec",
        "G_CODE": "10",
        "G": "",
        "G_ESTIMATE": "-0.09",
        "GBP": "",
        "GRP": "",
        "U": "0.96",
        "B": "0.72",
        "V": "0.01",
        "R": "",
        "I": "",
        "J": "-1.15",
        "H": "-1.38",
        "K": "-1.49",
        "SYSTEM_BIBCODE": "2018A&A...615A.172M",
        "EXOPLANET_COUNT": "",
        "GAIA_DR2": "",
        "GAIA_EDR3": "",
        "SIMBAD_NAME": "alf Cen A",
        "COMMON_NAME": "Rigil Kentaurus",
        "GJ": "GJ 559 A",
        "HD": "HD 128620",
        "HIP": "HIP 71683",
        "COMMENT": "..."
      },
      "system_note": "For Sirius and Alpha Cen, the primary component parallax represents the pair. BL/UV use shared RECONS parallax 373.7 mas, rather than inconsistent component solutions in v2."
    },
    {
      "name": "Barnardova hvězda",
      "kind": "M",
      "note": "Červený trpaslík",
      "parallax_mas": 546.975939730948,
      "distance_ly": 5.96,
      "source": "https://gruze.org/10pc/",
      "catalog_record": {
        "NB_OBJ": "5",
        "NB_SYS": "2",
        "SYSTEM_NAME": "Barnard's Star",
        "OBJ_CAT": "LM",
        "OBJ_NAME": "Barnard's Star",
        "RA": "269.448502525438",
        "DEC": "4.73942005111241",
        "EPOCH": "2016.0",
        "PARALLAX": "546.975939730948",
        "PARALLAX_ERROR": "0.040116355",
        "PARALLAX_BIBCODE": "2020yCat.1350....0G",
        "PMRA": "-801.550978368471",
        "PMRA_ERROR": "0.031820867",
        "PMDEC": "10362.3942065466",
        "PMDEC_ERROR": "0.036070455",
        "PM_BIBCODE": "2020yCat.1350....0G",
        "RV": "-110.353",
        "RV_ERROR": "0.0032",
        "RV_BIBCODE": "2018A&A...616A...7S",
        "SP_TYPE": "M3.5",
        "SP_BIBCODE": "2015A&A...577A.128A",
        "SP_METHOD": "Opt Spec",
        "G_CODE": "3",
        "G": "8.1939745",
        "G_ESTIMATE": "",
        "GBP": "9.791788",
        "GRP": "6.9580913",
        "U": "12.497",
        "B": "11.24",
        "V": "9.511",
        "R": "8.298",
        "I": "6.741",
        "J": "5.244",
        "H": "4.83",
        "K": "4.524",
        "SYSTEM_BIBCODE": "",
        "EXOPLANET_COUNT": "",
        "GAIA_DR2": "4472832130942575872",
        "GAIA_EDR3": "4472832130942575872",
        "SIMBAD_NAME": "Barnard's Star",
        "COMMON_NAME": "Barnard's Star",
        "GJ": "GJ 699",
        "HD": "",
        "HIP": "HIP 87937",
        "COMMENT": "Barnard's Star b: planet detected by 2018Natur.563..365R but controversial based on 2021AJ....162...61L"
      },
      "system_note": "For Sirius and Alpha Cen, the primary component parallax represents the pair. BL/UV use shared RECONS parallax 373.7 mas, rather than inconsistent component solutions in v2."
    },
    {
      "name": "Wolf 359",
      "kind": "M",
      "note": "Červený trpaslík",
      "parallax_mas": 415.179415678021,
      "distance_ly": 7.86,
      "source": "https://gruze.org/10pc/",
      "catalog_record": {
        "NB_OBJ": "9",
        "NB_SYS": "5",
        "SYSTEM_NAME": "Wolf 359",
        "OBJ_CAT": "LM",
        "OBJ_NAME": "Wolf 359",
        "RA": "164.10319030756",
        "DEC": "7.00272694098486",
        "EPOCH": "2016.0",
        "PARALLAX": "415.179415678021",
        "PARALLAX_ERROR": "0.06837086",
        "PARALLAX_BIBCODE": "2020yCat.1350....0G",
        "PMRA": "-3866.33827514368",
        "PMRA_ERROR": "0.08130645",
        "PMDEC": "-2699.21498767917",
        "PMDEC_ERROR": "0.06910815",
        "PM_BIBCODE": "2020yCat.1350....0G",
        "RV": "19.442",
        "RV_ERROR": "0.032",
        "RV_BIBCODE": "2020A&A...636A..36L",
        "SP_TYPE": "M6",
        "SP_BIBCODE": "2019AJ....157...63K",
        "SP_METHOD": "Opt Spec",
        "G_CODE": "3",
        "G": "11.038391",
        "G_ESTIMATE": "",
        "GBP": "13.770287",
        "GRP": "9.58545",
        "U": "16.706",
        "B": "15.541",
        "V": "13.507",
        "R": "11.684",
        "I": "9.507",
        "J": "7.085",
        "H": "6.482",
        "K": "6.084",
        "SYSTEM_BIBCODE": "",
        "EXOPLANET_COUNT": "",
        "GAIA_DR2": "",
        "GAIA_EDR3": "3864972938605115520",
        "SIMBAD_NAME": "Wolf 359",
        "COMMON_NAME": "CN Leo",
        "GJ": "GJ 406",
        "HD": "",
        "HIP": "",
        "COMMENT": "Wolf 359 b and c: unconfirmed planets 2019arXiv190604644T"
      },
      "system_note": "For Sirius and Alpha Cen, the primary component parallax represents the pair. BL/UV use shared RECONS parallax 373.7 mas, rather than inconsistent component solutions in v2."
    },
    {
      "name": "Lalande 21185",
      "kind": "M",
      "note": "Červený trpaslík",
      "parallax_mas": 392.752945438765,
      "distance_ly": 8.3,
      "source": "https://gruze.org/10pc/",
      "catalog_record": {
        "NB_OBJ": "10",
        "NB_SYS": "6",
        "SYSTEM_NAME": "HD 95735",
        "OBJ_CAT": "LM",
        "OBJ_NAME": "HD 95735",
        "RA": "165.830959675779",
        "DEC": "35.9486530326601",
        "EPOCH": "2016.0",
        "PARALLAX": "392.752945438765",
        "PARALLAX_ERROR": "0.03206665",
        "PARALLAX_BIBCODE": "2020yCat.1350....0G",
        "PMRA": "-580.057087213905",
        "PMRA_ERROR": "0.025565954",
        "PMDEC": "-4776.58871944349",
        "PMDEC_ERROR": "0.030034095",
        "PM_BIBCODE": "2020yCat.1350....0G",
        "RV": "-85.016",
        "RV_ERROR": "0.023",
        "RV_BIBCODE": "2020A&A...636A..36L",
        "SP_TYPE": "M1.5e",
        "SP_BIBCODE": "2013AJ....145..102L",
        "SP_METHOD": "Opt Spec",
        "G_CODE": "3",
        "G": "6.551172",
        "G_ESTIMATE": "",
        "GBP": "7.6911216",
        "GRP": "5.475513",
        "U": "10.03",
        "B": "8.96",
        "V": "7.52",
        "R": "5.99",
        "I": "4.79",
        "J": "4.2",
        "H": "3.64",
        "K": "3.34",
        "SYSTEM_BIBCODE": "",
        "EXOPLANET_COUNT": "1",
        "GAIA_DR2": "",
        "GAIA_EDR3": "762815470562110464",
        "SIMBAD_NAME": "HD 95735",
        "COMMON_NAME": "Lalande 21185",
        "GJ": "GJ 411",
        "HD": "HD 95735",
        "HIP": "HIP 54035",
        "COMMENT": "GJ 411 d candidate planet uncovered by 2022AJ....163..218H"
      },
      "system_note": "For Sirius and Alpha Cen, the primary component parallax represents the pair. BL/UV use shared RECONS parallax 373.7 mas, rather than inconsistent component solutions in v2."
    },
    {
      "name": "Sirius A + B",
      "kind": "A + bílý trpaslík",
      "note": "Jasná hvězda a vychladávající pozůstatek",
      "parallax_mas": 379.21,
      "distance_ly": 8.6,
      "source": "https://gruze.org/10pc/",
      "catalog_record": {
        "NB_OBJ": "13",
        "NB_SYS": "7",
        "SYSTEM_NAME": "alf CMa",
        "OBJ_CAT": "*",
        "OBJ_NAME": "alf CMa A",
        "RA": "101.287155333333",
        "DEC": "-16.7161158611111",
        "EPOCH": "2000.0",
        "PARALLAX": "379.21",
        "PARALLAX_ERROR": "1.58",
        "PARALLAX_BIBCODE": "2007A&A...474..653V",
        "PMRA": "-546.01",
        "PMRA_ERROR": "1.33",
        "PMDEC": "-1223.07",
        "PMDEC_ERROR": "1.24",
        "PM_BIBCODE": "2007A&A...474..653V",
        "RV": "-5.5",
        "RV_ERROR": "0.4",
        "RV_BIBCODE": "2006AstL...32..759G",
        "SP_TYPE": "A1",
        "SP_BIBCODE": "2013yCat....1.2023S",
        "SP_METHOD": "Opt Spec",
        "G_CODE": "10",
        "G": "",
        "G_ESTIMATE": "-1.49",
        "GBP": "",
        "GRP": "",
        "U": "-1.51",
        "B": "-1.46",
        "V": "-1.46",
        "R": "-1.46",
        "I": "-1.43",
        "J": "-1.36",
        "H": "-1.33",
        "K": "-1.35",
        "SYSTEM_BIBCODE": "1998ApJ...497..935H",
        "EXOPLANET_COUNT": "",
        "GAIA_DR2": "",
        "GAIA_EDR3": "",
        "SIMBAD_NAME": "alf CMa A",
        "COMMON_NAME": "Sirius A",
        "GJ": "GJ 244 A",
        "HD": "HD 48915 A",
        "HIP": "HIP 32349",
        "COMMENT": "..."
      },
      "system_note": "For Sirius and Alpha Cen, the primary component parallax represents the pair. BL/UV use shared RECONS parallax 373.7 mas, rather than inconsistent component solutions in v2."
    },
    {
      "name": "BL Ceti + UV Ceti",
      "kind": "M + M",
      "note": "Dvojice červených trpaslíků",
      "parallax_mas": 373.7,
      "distance_ly": 8.73,
      "source": "http://www.recons.org/TOP100.posted.htm",
      "catalog_record": {
        "NB_OBJ": "15",
        "NB_SYS": "8",
        "SYSTEM_NAME": "G 272-61",
        "OBJ_CAT": "LM",
        "OBJ_NAME": "G 272-61 A",
        "RA": "24.7715542934545",
        "DEC": "-17.9482998871293",
        "EPOCH": "2016.0",
        "PARALLAX": "367.711896181477",
        "PARALLAX_ERROR": "0.74180114",
        "PARALLAX_BIBCODE": "2020yCat.1350....0G",
        "PMRA": "3385.31581046507",
        "PMRA_ERROR": "0.67216444",
        "PMDEC": "544.386384561952",
        "PMDEC_ERROR": "0.3787539",
        "PM_BIBCODE": "2020yCat.1350....0G",
        "RV": "37.83",
        "RV_ERROR": "0.2",
        "RV_BIBCODE": "2016A&A...593A.127K",
        "SP_TYPE": "M5",
        "SP_BIBCODE": "2015A&A...577A.128A",
        "SP_METHOD": "Opt Spec",
        "G_CODE": "3",
        "G": "10.507542",
        "G_ESTIMATE": "",
        "GBP": "12.820644",
        "GRP": "9.067688",
        "U": "",
        "B": "",
        "V": "",
        "R": "",
        "I": "",
        "J": "",
        "H": "",
        "K": "",
        "SYSTEM_BIBCODE": "1988AJ.....95.1841G",
        "EXOPLANET_COUNT": "",
        "GAIA_DR2": "5140693571158739840",
        "GAIA_EDR3": "5140693571158739840",
        "SIMBAD_NAME": "G 272-61A",
        "COMMON_NAME": "BL Cet",
        "GJ": "GJ 65 A",
        "HD": "",
        "HIP": "",
        "COMMENT": "..."
      },
      "system_note": "For Sirius and Alpha Cen, the primary component parallax represents the pair. BL/UV use shared RECONS parallax 373.7 mas, rather than inconsistent component solutions in v2."
    },
    {
      "name": "Ross 154",
      "kind": "M",
      "note": "Červený trpaslík",
      "parallax_mas": 336.026601668371,
      "distance_ly": 9.71,
      "source": "https://gruze.org/10pc/",
      "catalog_record": {
        "NB_OBJ": "17",
        "NB_SYS": "9",
        "SYSTEM_NAME": "V1216 Sgr",
        "OBJ_CAT": "LM",
        "OBJ_NAME": "Ross 154",
        "RA": "282.458789017522",
        "DEC": "-23.8370974487271",
        "EPOCH": "2016.0",
        "PARALLAX": "336.026601668371",
        "PARALLAX_ERROR": "0.031666122",
        "PARALLAX_BIBCODE": "2020yCat.1350....0G",
        "PMRA": "639.367850335873",
        "PMRA_ERROR": "0.03683873",
        "PMDEC": "-193.957925071161",
        "PMDEC_ERROR": "0.031829588",
        "PM_BIBCODE": "2020yCat.1350....0G",
        "RV": "-10.494",
        "RV_ERROR": "0.0083",
        "RV_BIBCODE": "2018A&A...616A...7S",
        "SP_TYPE": "M3.5e",
        "SP_BIBCODE": "2015AJ....149..106D",
        "SP_METHOD": "Opt Spec",
        "G_CODE": "3",
        "G": "9.126414",
        "G_ESTIMATE": "",
        "GBP": "10.732183",
        "GRP": "7.898147",
        "U": "13.528",
        "B": "12.19",
        "V": "10.43",
        "R": "10.23",
        "I": "7.703",
        "J": "6.222",
        "H": "5.655",
        "K": "5.37",
        "SYSTEM_BIBCODE": "",
        "EXOPLANET_COUNT": "",
        "GAIA_DR2": "4075141768785646848",
        "GAIA_EDR3": "4075141768785646848",
        "SIMBAD_NAME": "Ross 154",
        "COMMON_NAME": "",
        "GJ": "GJ 729",
        "HD": "",
        "HIP": "HIP 92403",
        "COMMENT": "..."
      },
      "system_note": "For Sirius and Alpha Cen, the primary component parallax represents the pair. BL/UV use shared RECONS parallax 373.7 mas, rather than inconsistent component solutions in v2."
    }
  ],
  "galaxies": [
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      "xyz_mly": [
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      "distance_source": "https://svs.gsfc.nasa.gov/11293",
      "coordinate_source": "https://simbad.u-strasbg.fr/simbad/sim-id?Ident=Large+Magellanic+Cloud"
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    {
      "name": "Malý Magellanův oblak",
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      "distance_source": "https://svs.gsfc.nasa.gov/11293",
      "coordinate_source": "https://simbad.u-strasbg.fr/simbad/sim-id?Ident=Small+Magellanic+Cloud"
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    {
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      "dec_deg": 41.2687,
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      "kind": "local",
      "xyz_mly": [
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      "distance_source": "https://science.nasa.gov/mission/hubble/science/explore-the-night-sky/hubble-messier-catalog/messier-31/",
      "coordinate_source": "https://simbad.u-strasbg.fr/simbad/sim-id?Ident=M31"
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    {
      "name": "Galaxie v Trojúhelníku (M33)",
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      "xyz_mly": [
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      "distance_source": "https://science.nasa.gov/mission/hubble/science/explore-the-night-sky/hubble-messier-catalog/messier-33/",
      "coordinate_source": "https://simbad.u-strasbg.fr/simbad/sim-id?Ident=M33"
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      "xyz_mly": [
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      "distance_source": "https://science.nasa.gov/mission/hubble/science/explore-the-night-sky/hubble-messier-catalog/messier-81/",
      "coordinate_source": "https://simbad.u-strasbg.fr/simbad/sim-id?Ident=M81"
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      "distance_source": "https://www.chandra.si.edu/photo/2023/cena/index.html",
      "coordinate_source": "https://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC5128"
    },
    {
      "name": "NGC 253 – oblast Sochaře",
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      "distance_source": "https://www.chandra.cfa.harvard.edu/photo/2023/ngc253/",
      "coordinate_source": "https://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC253"
    },
    {
      "name": "Kupa v Panně – směr M87",
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      "dec_deg": 12.3911,
      "distance_mly": 54.0,
      "kind": "cluster",
      "xyz_mly": [
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      "distance_source": "https://science.nasa.gov/asset/hubble/hubble-acs-image-of-100-virgo-cluster-galaxies/",
      "coordinate_source": "https://simbad.u-strasbg.fr/simbad/sim-id?Ident=M87"
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  ],
  "frame": {
    "origin": "Sun",
    "axes": "X toward Galactic centre, Y toward Galactic longitude 90 degrees, Z toward North Galactic Pole",
    "units": "million light years",
    "ICRS_to_galactic": [
      [
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  },
  "solar_galactocentric_kpc": 8.2,
  "stellar_catalog": {
    "url": "https://gruze.org/10pc/The10pcSample_v2.json",
    "paper": "https://arxiv.org/abs/2104.14972",
    "retrieved": "2026-10-30",
    "sha256": "701c38ad419afe2ea164cc13edf1e4e48b71fa180c71e2e92f903a68b079547c"
  },
  "sun_sources": [
    "https://www.esa.int/Science_Exploration/Space_Science/Gaia/Gaia_reveals_the_past_and_future_of_the_Sun",
    "https://astrobiology.nasa.gov/news/the-future-of-earths-oxygen/",
    "https://arxiv.org/abs/2606.19575",
    "https://arxiv.org/abs/1805.02643"
  ],
  "stellar_map": {
    "stars": [
      {
        "name": "Proxima Centauri",
        "short_name": "Proxima Centauri",
        "kind": "M",
        "distance_ly": 4.25,
        "xyz_ly": [
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          -3.0593160772978907,
          -0.14222573834045046
        ],
        "color": "#ff9d87",
        "system": "Alfa Centauri",
        "coordinate_epoch": 2016.0,
        "input_epoch": 2016.0,
        "ra_deg": 217.392321472009,
        "dec_deg": -62.6760751167667,
        "source": "https://gruze.org/10pc/"
      },
      {
        "name": "Alfa Centauri A + B",
        "short_name": "Alfa Centauri A/B",
        "kind": "G + K",
        "distance_ly": 4.39,
        "xyz_ly": [
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        "color": "#ffd287",
        "system": "Alfa Centauri",
        "coordinate_epoch": 2016.0,
        "input_epoch": 2000.0,
        "ra_deg": 219.86850441498888,
        "dec_deg": -60.83188748831,
        "source": "https://gruze.org/10pc/"
      },
      {
        "name": "Barnardova hvězda",
        "short_name": "Barnardova hvězda",
        "kind": "M",
        "distance_ly": 5.96,
        "xyz_ly": [
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        ],
        "color": "#ff9d87",
        "system": "Barnardova hvězda",
        "coordinate_epoch": 2016.0,
        "input_epoch": 2016.0,
        "ra_deg": 269.448502525438,
        "dec_deg": 4.73942005111241,
        "source": "https://gruze.org/10pc/"
      },
      {
        "name": "Wolf 359",
        "short_name": "Wolf 359",
        "kind": "M",
        "distance_ly": 7.86,
        "xyz_ly": [
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          6.523808783704615
        ],
        "color": "#ff9d87",
        "system": "Wolf 359",
        "coordinate_epoch": 2016.0,
        "input_epoch": 2016.0,
        "ra_deg": 164.10319030756,
        "dec_deg": 7.00272694098486,
        "source": "https://gruze.org/10pc/"
      },
      {
        "name": "Lalande 21185",
        "short_name": "Lalande 21185",
        "kind": "M",
        "distance_ly": 8.3,
        "xyz_ly": [
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          -0.31091284656417906,
          7.548707959450915
        ],
        "color": "#ff9d87",
        "system": "Lalande 21185",
        "coordinate_epoch": 2016.0,
        "input_epoch": 2016.0,
        "ra_deg": 165.830959675779,
        "dec_deg": 35.9486530326601,
        "source": "https://gruze.org/10pc/"
      },
      {
        "name": "Sirius A + B",
        "short_name": "Sirius A/B",
        "kind": "A + bílý trpaslík",
        "distance_ly": 8.6,
        "xyz_ly": [
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          -6.2376326100717625,
          -1.3297429002206376
        ],
        "color": "#7dcfff",
        "system": "Sirius A + B",
        "coordinate_epoch": 2016.0,
        "input_epoch": 2000.0,
        "ra_deg": 101.28462154860868,
        "dec_deg": -16.72155172777777,
        "source": "https://gruze.org/10pc/"
      },
      {
        "name": "BL Ceti + UV Ceti",
        "short_name": "BL/UV Ceti",
        "kind": "M + M",
        "distance_ly": 8.73,
        "xyz_ly": [
          -2.151637418423713,
          0.16855945934590189,
          -8.459015552929623
        ],
        "color": "#ff9d87",
        "system": "BL Ceti + UV Ceti",
        "coordinate_epoch": 2016.0,
        "input_epoch": 2016.0,
        "ra_deg": 24.7715542934545,
        "dec_deg": -17.9482998871293,
        "source": "http://www.recons.org/TOP100.posted.htm"
      },
      {
        "name": "Ross 154",
        "short_name": "Ross 154",
        "kind": "M",
        "distance_ly": 9.71,
        "xyz_ly": [
          9.368448103045754,
          1.8732972624459894,
          -1.7340811690828555
        ],
        "color": "#ff9d87",
        "system": "Ross 154",
        "coordinate_epoch": 2016.0,
        "input_epoch": 2016.0,
        "ra_deg": 282.458789017522,
        "dec_deg": -23.8370974487271,
        "source": "https://gruze.org/10pc/"
      }
    ],
    "units": "light years",
    "origin": "Sun; Alpha Centauri A/B in the optional detail",
    "epoch": 2016.0,
    "method": "ICRS RA/Dec from saved The 10 pc sample v2 records; the two epoch-2000 positions are advanced to 2016 by linear tangent-plane proper motion (mu_alpha*cos_delta, mu_delta). Rounded distances match the approved table; no orbital or radial propagation. Matrix as in frame.ICRS_to_galactic. Close binary pairs represented by the saved primary component direction and common adopted distance. This is a static educational position map, not an ephemeris."
  }
}