constellations.ts

/**
 * Star constellations identifiers.
 */
export type CONSTELLATION_KEY =
  | "And"
  | "Ant"
  | "Aps"
  | "Aql"
  | "Aqr"
  | "Ara"
  | "Ari"
  | "Aur"
  | "Boo"
  | "CMa"
  | "CMi"
  | "Cae"
  | "Cam"
  | "Cap"
  | "Car"
  | "Cas"
  | "Cen"
  | "Cep"
  | "Cet"
  | "Cha"
  | "Cir"
  | "Cnc"
  | "Col"
  | "Com"
  | "CrA"
  | "CrB"
  | "Crt"
  | "Cru"
  | "Crv"
  | "CVn"
  | "Cyg"
  | "Del"
  | "Dor"
  | "Dra"
  | "Equ"
  | "Eri"
  | "For"
  | "Gem"
  | "Gru"
  | "Her"
  | "Hor"
  | "Hya"
  | "Hyi"
  | "Ind"
  | "LMi"
  | "Lac"
  | "Leo"
  | "Lep"
  | "Lib"
  | "Lup"
  | "Lyn"
  | "Lyr"
  | "Men"
  | "Mic"
  | "Mon"
  | "Mus"
  | "Nor"
  | "Oct"
  | "Oph"
  | "Ori"
  | "Pav"
  | "Peg"
  | "Per"
  | "Phe"
  | "Pic"
  | "PsA"
  | "Psc"
  | "Pup"
  | "Pyx"
  | "Ret"
  | "Scl"
  | "Sco"
  | "Sct"
  | "Ser"
  | "Sex"
  | "Sge"
  | "Sgr"
  | "Tau"
  | "Tel"
  | "TrA"
  | "Tri"
  | "Tuc"
  | "UMa"
  | "UMi"
  | "Vel"
  | "Vir"
  | "Vol"
  | "Vul";

/**
 * Describes the constellations.
 */
export const CONSTELLATIONS: {
  [key in CONSTELLATION_KEY]: [number, number][];
} = {
  // https://github.com/Stellarium/stellarium/blob/master/skycultures/western/constellationship.fab
  // IS RE-LICENSED UNDER the MIT License,
  // see https://github.com/Stellarium/stellarium/discussions/790
  Aql: [
    [98036, 97649],
    [97649, 97278],
    [97649, 95501],
    [95501, 97804],
    [99473, 97804],
    [95501, 93747],
    [93747, 93244],
    [95501, 93805],
  ],
  And: [
    [677, 3092],
    [3092, 5447],
    [9640, 5447],
    [5447, 4436],
    [4436, 3881],
  ],
  Scl: [
    [116231, 4577],
    [4577, 115102],
    [115102, 116231],
  ],
  Ara: [
    [88714, 85792],
    [85792, 83081],
    [83081, 82363],
    [82363, 85727],
    [85727, 85267],
    [85267, 85258],
    [85258, 88714],
  ],
  Lib: [
    [77853, 76333],
    [76333, 74785],
    [74785, 72622],
    [72622, 73714],
    [73714, 76333],
  ],
  Cet: [
    [10324, 11484],
    [8102, 3419],
    [3419, 1562],
    [3419, 5364],
    [5364, 6537],
    [6537, 8645],
    [8645, 11345],
    [11345, 12390],
    [12390, 12770],
    [12770, 11783],
    [11783, 8102],
    [10826, 12390],
    [10826, 12387],
    [12387, 12706],
    [12706, 14135],
    [14135, 13954],
    [13954, 12828],
    [12828, 11484],
    [11484, 12093],
    [12093, 12706],
  ],
  Ari: [
    [13209, 9884],
    [9884, 8903],
    [8903, 8832],
  ],
  Sct: [
    [92175, 92202],
    [92202, 92814],
    [92814, 90595],
    [90595, 91117],
    [91117, 92175],
  ],
  Pyx: [
    [42515, 42828],
    [42828, 43409],
  ],
  Boo: [
    [71795, 69673],
    [69673, 72105],
    [72105, 74666],
    [74666, 73555],
    [73555, 71075],
    [71075, 71053],
    [71053, 69673],
    [69673, 67927],
    [67927, 67459],
  ],
  Cae: [
    [21060, 21770],
    [21770, 21861],
  ],
  Cha: [
    [40702, 51839],
    [51839, 60000],
  ],
  Cnc: [
    [43103, 42806],
    [42806, 40843],
    [42806, 42911],
    [42911, 40526],
    [42911, 44066],
  ],
  Cap: [
    [100064, 100345],
    [100345, 104139],
    [104139, 105515],
    [105515, 106985],
    [106985, 107556],
    [105515, 105881],
    [105881, 104139],
    [100345, 102485],
    [104139, 102978],
  ],
  Car: [
    [45238, 50099],
    [50099, 52419],
    [52419, 52468],
    [52468, 54463],
    [54463, 53253],
    [53253, 51232],
    [51232, 50371],
    [50371, 45556],
    [42568, 41037],
    [41037, 30438],
    [45080, 45556],
    [45080, 42568],
    [30438, 31685],
    [41037, 39429],
  ],
  Cas: [
    [8886, 6686],
    [6686, 4427],
    [4427, 3179],
    [3179, 746],
  ],
  Cen: [
    [71683, 68702],
    [68702, 66657],
    [66657, 68002],
    [68002, 68282],
    [68282, 67472],
    [67472, 67464],
    [67464, 65936],
    [65936, 65109],
    [67464, 68933],
    [67472, 71352],
    [71352, 73334],
    [68002, 61932],
    [61932, 60823],
    [60823, 59196],
    [59196, 56480],
    [56480, 56561],
  ],
  Cep: [
    [109492, 112724],
    [112724, 106032],
    [106032, 105199],
    [105199, 109492],
    [112724, 116727],
    [116727, 106032],
  ],
  Com: [
    [64241, 64394],
    [64394, 60742],
  ],
  CVn: [[61317, 63125]],
  Aur: [
    [28380, 28360],
    [28360, 24608],
    [24608, 23453],
    [23453, 23015],
    [25428, 23015],
    [25428, 28380],
  ],
  Col: [
    [30277, 29807],
    [29807, 28199],
    [28199, 27628],
    [27628, 28328],
    [27628, 26634],
    [26634, 25859],
  ],
  Cir: [
    [71908, 75323],
    [71908, 74824],
  ],
  Crt: [
    [53740, 54682],
    [54682, 55705],
    [55705, 55282],
    [55282, 53740],
    [55282, 55687],
    [55687, 56633],
    [56633, 58188],
    [58188, 57283],
    [57283, 55705],
  ],
  CrA: [
    [91875, 92989],
    [92989, 93174],
    [93174, 93825],
    [93825, 94114],
    [94114, 94160],
    [94160, 94005],
    [94005, 93542],
    [93542, 92953],
    [91875, 90887],
  ],
  CrB: [
    [76127, 75695],
    [75695, 76267],
    [76267, 76952],
    [76952, 77512],
    [77512, 78159],
    [78159, 78493],
  ],
  Crv: [
    [61174, 60965],
    [60965, 59803],
    [59803, 59316],
    [59316, 59199],
    [59316, 61359],
    [61359, 60965],
  ],
  Cru: [
    [61084, 60718],
    [62434, 59747],
  ],
  Cyg: [
    [94779, 95853],
    [95853, 97165],
    [97165, 100453],
    [100453, 102098],
    [100453, 102488],
    [102488, 104732],
    [104732, 107310],
    [100453, 98110],
    [98110, 95947],
  ],
  Del: [
    [101421, 101769],
    [101769, 101958],
    [101958, 102532],
    [102532, 102281],
    [102281, 101769],
  ],
  Dor: [
    [27100, 27890],
    [27890, 26069],
    [26069, 27100],
    [26069, 21281],
    [21281, 19893],
  ],
  Dra: [
    [87585, 87833],
    [87833, 85670],
    [85670, 85829],
    [85829, 87585],
    [87585, 94376],
    [94376, 97433],
    [97433, 94648],
    [94648, 89937],
    [89937, 83895],
    [83895, 80331],
    [80331, 78527],
    [78527, 75458],
    [75458, 68756],
    [68756, 61281],
    [61281, 56211],
  ],
  Nor: [
    [79509, 80000],
    [80000, 80582],
    [80582, 78639],
    [78639, 80000],
    [78639, 79509],
  ],
  Eri: [
    [7588, 9007],
    [9007, 10602],
    [10602, 11407],
    [11407, 12413],
    [12413, 12486],
    [12486, 13847],
    [13847, 15510],
    [15510, 17797],
    [17797, 17874],
    [17874, 20042],
    [20042, 20535],
    [20535, 21393],
    [21393, 17651],
    [17651, 16611],
    [16611, 15474],
    [15474, 14146],
    [14146, 12843],
    [12843, 13701],
    [13701, 15197],
    [15197, 16537],
    [16537, 17378],
    [17378, 21444],
    [21444, 22109],
    [22109, 22701],
    [22701, 23875],
    [23875, 23972],
    [23972, 21594],
  ],
  Sge: [
    [96837, 97365],
    [97365, 96757],
    [97365, 98337],
    [98337, 98920],
  ],
  For: [[13147, 14879]],
  Gem: [
    [31681, 34088],
    [34088, 35550],
    [35550, 35350],
    [35350, 32362],
    [35550, 36962],
    [36962, 37740],
    [36962, 37826],
    [36962, 36046],
    [36046, 34693],
    [34693, 36850],
    [34693, 33018],
    [34693, 32246],
    [32246, 30883],
    [32246, 30343],
    [30343, 29655],
    [29655, 28734],
  ],
  Cam: [
    [16228, 18505],
    [18505, 22783],
    [16228, 17959],
    [17959, 22783],
    [17959, 25110],
  ],
  CMa: [
    [33160, 34045],
    [34045, 33347],
    [33347, 32349],
    [32349, 33977],
    [33977, 34444],
    [34444, 35037],
    [35037, 35904],
    [33579, 33856],
    [33856, 34444],
    [33856, 33165],
    [33165, 31592],
    [31592, 31416],
    [31592, 30324],
    [31592, 32349],
    [33579, 32759],
    [30122, 33579],
    [33347, 33160],
  ],
  UMa: [
    [67301, 65378],
    [65378, 62956],
    [62956, 59774],
    [59774, 54061],
    [54061, 53910],
    [53910, 58001],
    [58001, 59774],
    [58001, 57399],
    [57399, 54539],
    [54539, 50372],
    [54539, 50801],
    [53910, 48402],
    [48402, 46853],
    [46853, 44471],
    [46853, 44127],
    [48402, 48319],
    [48319, 41704],
    [41704, 46733],
    [46733, 54061],
  ],
  Gru: [
    [114131, 110997],
    [110997, 109268],
    [109268, 112122],
    [112122, 114421],
    [114421, 114131],
    [112122, 113638],
    [112122, 112623],
    [109268, 109111],
    [109111, 108085],
  ],
  Her: [
    [86414, 87808],
    [87808, 85112],
    [85112, 84606],
    [84606, 84380],
    [84380, 81833],
    [81833, 81126],
    [81126, 79992],
    [79992, 77760],
    [81833, 81693],
    [81693, 80816],
    [80816, 80170],
    [81693, 83207],
    [83207, 85693],
    [85693, 84379],
    [86974, 87933],
    [87933, 88794],
    [83207, 84380],
    [86974, 85693],
  ],
  Hor: [
    [19747, 12484],
    [12484, 14240],
  ],
  Hya: [
    [42799, 42402],
    [42402, 42313],
    [42313, 43109],
    [43109, 43234],
    [43234, 42799],
    [43234, 43813],
    [43813, 45336],
    [45336, 46776],
    [46776, 46509],
    [46509, 46390],
    [46390, 48356],
    [48356, 49841],
    [49841, 51069],
    [51069, 52943],
    [52943, 56343],
    [56343, 57936],
    [57936, 64166],
    [64166, 64962],
  ],
  Hyi: [
    [2021, 17678],
    [17678, 12394],
    [12394, 11001],
    [11001, 9236],
  ],
  Ind: [
    [105319, 101772],
    [101772, 103227],
    [103227, 105319],
  ],
  Lac: [
    [109937, 111104],
    [111104, 111022],
    [111022, 110609],
    [110609, 110538],
    [110538, 111169],
    [111169, 111022],
  ],
  Mon: [
    [29651, 30867],
    [30867, 34769],
    [34769, 30419],
    [30419, 29151],
    [34769, 39863],
    [39863, 37447],
  ],
  Lep: [
    [28910, 28103],
    [28103, 27288],
    [27288, 25985],
    [25985, 24305],
    [25985, 27654],
    [27654, 27072],
    [27072, 25606],
    [25606, 23685],
    [25985, 25606],
    [24305, 24845],
    [24305, 24327],
    [23685, 24305],
    [24327, 24244],
    [24845, 24873],
  ],
  Leo: [
    [57632, 54879],
    [54879, 49669],
    [49669, 49583],
    [49583, 50583],
    [50583, 54872],
    [54872, 57632],
    [50583, 50335],
    [50335, 48455],
    [48455, 47908],
    [54872, 54879],
  ],
  Lup: [
    [77634, 78970],
    [78970, 78384],
    [78384, 77634],
    [78384, 76297],
    [76297, 75141],
    [75141, 75177],
    [75141, 73273],
    [76297, 76552],
    [76552, 74395],
    [74395, 71860],
    [74395, 71536],
    [71860, 70576],
    [71860, 73273],
  ],
  Lyn: [
    [45860, 45688],
    [45688, 44700],
    [44700, 44248],
    [44248, 41075],
    [41075, 36145],
    [36145, 33449],
    [33449, 30060],
  ],
  Lyr: [
    [91262, 91971],
    [91971, 92420],
    [92420, 93194],
    [93194, 92791],
    [92791, 91971],
  ],
  Ant: [[51172, 48926]],
  Mic: [
    [105140, 103738],
    [103738, 102831],
  ],
  Mus: [
    [62322, 57363],
    [57363, 61199],
    [61199, 61585],
    [61585, 62322],
  ],
  Oct: [
    [107089, 112405],
    [112405, 70638],
    [70638, 107089],
  ],
  Aps: [
    [72370, 81065],
    [81065, 81852],
  ],
  Oph: [
    [86032, 86742],
    [84012, 86742],
    [86032, 83000],
    [83000, 79882],
    [79882, 81377],
    [81377, 84012],
    [84012, 85755],
  ],
  Ori: [
    [26727, 26311],
    [26311, 25930],
    [29434, 29426],
    [29434, 28716],
    [28716, 27913],
    [29426, 29038],
    [29038, 27913],
    [29426, 28614],
    [28614, 27989],
    [27989, 26727],
    [26727, 27366],
    [27366, 24436],
    [24436, 25930],
    [25930, 25336],
    [25336, 26207],
    [26207, 27989],
    [25336, 22449],
    [22449, 22549],
    [22549, 22730],
    [22730, 23123],
    [22449, 22509],
    [22509, 22845],
    [29038, 28614],
  ],
  Pav: [
    [100751, 105858],
    [105858, 102395],
    [102395, 99240],
    [99240, 100751],
    [99240, 98495],
    [98495, 91792],
    [91792, 93015],
    [93015, 99240],
    [93015, 92609],
    [92609, 90098],
    [90098, 88866],
    [88866, 92609],
    [88866, 86929],
  ],
  Peg: [
    [1067, 113963],
    [113881, 112158],
    [112158, 109352],
    [113881, 112748],
    [112748, 112440],
    [112440, 109176],
    [109176, 107354],
    [113963, 112447],
    [112447, 112029],
    [112029, 109427],
    [109427, 107315],
    [677, 113881],
    [677, 1067],
    [113881, 113963],
  ],
  Pic: [
    [32607, 27530],
    [27530, 27321],
  ],
  Per: [
    [17448, 18246],
    [18246, 18614],
    [18614, 18532],
    [18532, 17358],
    [17358, 15863],
    [15863, 14328],
    [14328, 13268],
    [15863, 14576],
    [14576, 14354],
    [14354, 13254],
  ],
  Equ: [
    [104521, 104858],
    [104858, 105570],
    [105570, 104987],
    [104987, 104521],
  ],
  CMi: [[37279, 36188]],
  LMi: [
    [53229, 51233],
    [51233, 49593],
    [49593, 46952],
    [49593, 53229],
  ],
  Vul: [[95771, 98543]],
  UMi: [
    [11767, 85822],
    [85822, 82080],
    [82080, 77055],
    [77055, 79822],
    [79822, 75097],
    [75097, 72607],
    [72607, 77055],
  ],
  Phe: [
    [5348, 5165],
    [5165, 2072],
    [2072, 5348],
    [5165, 7083],
    [7083, 8837],
    [8837, 5165],
    [5165, 6867],
    [6867, 2072],
    [2072, 2081],
    [2081, 765],
    [765, 2072],
  ],
  Psc: [
    [4889, 5742],
    [4889, 6193],
    [6193, 5742],
    [5742, 7097],
    [7097, 8198],
    [8198, 9487],
    [9487, 8833],
    [8833, 7884],
    [7884, 7007],
    [7007, 4906],
    [4906, 3760],
    [3760, 1645],
    [1645, 118268],
    [118268, 116771],
    [116771, 116928],
    [116928, 115738],
    [115738, 114971],
    [114971, 115830],
    [115830, 116771],
  ],
  PsA: [
    [113368, 111954],
    [111954, 108661],
    [108661, 107608],
    [107608, 109422],
    [109422, 111188],
    [111188, 113246],
  ],
  Vol: [
    [37504, 34481],
    [34481, 39794],
    [39794, 37504],
    [39794, 35228],
    [39794, 41312],
    [41312, 44382],
    [44382, 39794],
  ],
  Pup: [
    [39757, 38146],
    [38146, 35264],
    [35264, 31685],
    [31685, 32768],
    [32768, 36377],
    [36377, 39429],
    [39429, 39757],
  ],
  Ret: [
    [19780, 19921],
    [19921, 18597],
    [18597, 17440],
    [17440, 19780],
  ],
  Sgr: [
    [89931, 90496],
    [89642, 90185],
    [90185, 88635],
    [88635, 87072],
    [88635, 89931],
    [89931, 90185],
    [90185, 93506],
    [93506, 92041],
    [92041, 89931],
    [92041, 90496],
    [90496, 89341],
    [93506, 93864],
    [93864, 92855],
    [92855, 92041],
    [92855, 93085],
    [93085, 93683],
    [93683, 94820],
    [94820, 95168],
    [93864, 96406],
    [96406, 98688],
    [98688, 98412],
    [98412, 98032],
    [98032, 95347],
    [98032, 95294],
  ],
  Sco: [
    [85927, 86670],
    [86670, 87073],
    [87073, 86228],
    [86228, 84143],
    [84143, 82671],
    [82671, 82514],
    [82514, 82396],
    [82396, 81266],
    [81266, 80763],
    [80763, 78401],
    [80763, 78265],
    [80763, 78820],
  ],
  Ser: [
    [77516, 77622],
    [77622, 77070],
    [77070, 76276],
    [76276, 77233],
    [77233, 78072],
    [78072, 77450],
    [77450, 77233],
    [92946, 89962],
    [89962, 86565],
    [86565, 86263],
    [86263, 84880],
  ],
  Sex: [[51437, 49641]],
  Men: [[25918, 21949]],
  Tau: [
    [25428, 21881],
    [21881, 20889],
    [21421, 26451],
    [20205, 20455],
    [20205, 18724],
    [18724, 15900],
    [21421, 20889],
    [21421, 20894],
    [20894, 20205],
    [20889, 20648],
    [20648, 20455],
    [20455, 17847],
  ],
  Tel: [[90568, 90422]],
  Tuc: [
    [110130, 114996],
    [114996, 1599],
    [114996, 2484],
  ],
  Tri: [
    [10670, 10064],
    [10064, 8796],
    [8796, 10670],
  ],
  TrA: [
    [82273, 74946],
    [74946, 77952],
    [77952, 82273],
  ],
  Aqr: [
    [106278, 109074],
    [109074, 110395],
    [110395, 110960],
    [110960, 111497],
    [111497, 112961],
    [112961, 114855],
    [114855, 115438],
    [109074, 110003],
    [110003, 109139],
    [110003, 111123],
    [111123, 112716],
    [112716, 113136],
    [113136, 114341],
    [102618, 106278],
  ],
  Vir: [
    [57380, 60129],
    [60129, 61941],
    [61941, 65474],
    [65474, 69427],
    [69427, 69701],
    [69701, 71957],
    [65474, 66249],
    [66249, 68520],
    [68520, 72220],
    [66249, 63090],
    [63090, 63608],
    [63090, 61941],
  ],
  Vel: [
    [39953, 42536],
    [42536, 42913],
    [42913, 45941],
    [45941, 48774],
    [48774, 52727],
    [52727, 51986],
    [51986, 50191],
    [50191, 46651],
    [46651, 44816],
    [44816, 39953],
  ],
};

/**
 * Star sets in constellations.
 */
export const CONS_STARS = Object.entries(CONSTELLATIONS).reduce<{
  [key: string]: Set<number>;
}>((d, [k, v]) => {
  d[k] = new Set(v.flat());
  return d;
}, {}) as { [key in CONSTELLATION_KEY]: Set<number> };

/**
 * Default (built-in) known constellation names.
 */
export const DEFAULT_KNOWN_CONS_NAMES: {
  [key in CONSTELLATION_KEY]: string;
} = {
  And: "Andromeda",
  Ant: "Antlia",
  Aps: "Apus",
  Aql: "Aquila",
  Aqr: "Aquarius",
  Ara: "Ara",
  Ari: "Aries",
  Aur: "Auriga",
  Boo: "Bootes",
  CMa: "Canis Major",
  CMi: "Canis Minor",
  Cae: "Caelum",
  Cam: "Camelopardalis",
  Cap: "Capricornus",
  Car: "Carina",
  Cas: "Cassiopeia",
  Cen: "Centaurus",
  Cep: "Cepheus",
  Cet: "Cetus",
  Cha: "Chamaeleon",
  Cir: "Circinus",
  Cnc: "Cancer",
  Col: "Columba",
  Com: "Coma Berenices",
  CrA: "Corona Australis",
  CrB: "Corona Borealis",
  Crt: "Crater",
  Cru: "Crux",
  Crv: "Corvus",
  CVn: "Canes Venatici",
  Cyg: "Cygnus",
  Del: "Delphinus",
  Dor: "Dorado",
  Dra: "Draco",
  Equ: "Equuleus",
  Eri: "Eridanus",
  For: "Fornax",
  Gem: "Gemini",
  Gru: "Grus",
  Her: "Hercules",
  Hor: "Horologium",
  Hya: "Hydra",
  Hyi: "Hydrus",
  Ind: "Indus",
  LMi: "Leo Minor",
  Lac: "Lacerta",
  Leo: "Leo",
  Lep: "Lepus",
  Lib: "Libra",
  Lup: "Lupus",
  Lyn: "Lynx",
  Lyr: "Lyra",
  Men: "Mensa",
  Mic: "Microscopium",
  Mon: "Monoceros",
  Mus: "Musca",
  Nor: "Norma",
  Oct: "Octans",
  Oph: "Ophiuchus",
  Ori: "Orion",
  Pav: "Pavo",
  Peg: "Pegasus",
  Per: "Perseus",
  Phe: "Phoenix",
  Pic: "Pictor",
  PsA: "Pisces Austrinus",
  Psc: "Pisces",
  Pup: "Puppis",
  Pyx: "Pyxis",
  Ret: "Reticulum",
  Scl: "Sculptor",
  Sco: "Scorpius",
  Sct: "Scutum",
  Ser: "Serpens",
  Sex: "Sextans",
  Sge: "Sagitta",
  Sgr: "Sagittarius",
  Tau: "Taurus",
  Tel: "Telescopium",
  TrA: "Triangulum Australe",
  Tri: "Triangulum",
  Tuc: "Tucana",
  UMa: "Ursa Major",
  UMi: "Ursa Minor",
  Vel: "Vela",
  Vir: "Virgo",
  Vol: "Volans",
  Vul: "Vulpecula",
};