Array ( [0] => 15505275 [id] => 15505275 [1] => cswiki [site] => cswiki [2] => Alcyone [uri] => Alcyone [3] => [img] => [4] => [day_avg] => [5] => [day_diff] => [6] => [day_last] => [7] => [day_prev_last] => [8] => [oai] => [9] => [is_good] => [10] => [object_type] => [11] => 0 [has_content] => 0 [12] => [oai_cs_optimisticky] => ) Array ( [0] => {{Infobox - hvězda vícenásobná [1] => [2] => | název = Alcyone [3] => | popisek = [4] => | mapa = [5] => | popisek mapy = [6] => | ekvin = J2000.0 [7] => | con_cz = Býk [8] => | con_lt = Taurus [9] => | ra = {{RA|3|47|29,076 55}} [10] => | dec = 24°6'18,488 3" [11] => | par = 8,09±0,42 mas" [12] => | dist_ly = 404,4±6,5 [13] => | dist_pc = 124,0±21,2 [14] => | appmag_v = 2,87 [15] => | rad_r = 5,4±1,2 km/s [16] => | poh_r = 19,34±0,39 mas za rok [17] => | poh_d = -43,67±0,33 mas za rok [18] => [19] => | hvězda1 = Alcyone A [20] => | ra1 = {{RA|3|47|29,076 55}} [21] => | dec1 = 24°6'18,488 3" [22] => | appmag_v1 = 2,87 [23] => | absmag_v1 = -2,19 až -2,94 [24] => | u-b1 = -0,34 [25] => | b-v1 = -0,09 [26] => | v-r1 = 0,03 [27] => | r-i1 = -0,04 [28] => | var1 = [29] => | spektrum1 = B7III [30] => | hmot1_kg = [31] => | hmot1_msol = 3,4-3,8 [32] => | rad1_km = ~5,7×106 [33] => | rad1_rsol = 8,2 [34] => | lum1_v = 2030 [35] => | teplota1 = 12 258 [36] => | stáří1 = [37] => | p_rot1 = [38] => | v_rot1 = 149 km/s [39] => | p_osc1 = [40] => [41] => | hvězda2 = Alcyone B [42] => | ra2 = {{RA|3|47|21,036 4}} [43] => | dec2 = 24°6'58,582" [44] => | appmag_v2 = 6,28 [45] => | absmag_v2 = 0,47 až 1,22 [46] => | u-b2 = -0,04 [47] => | b-v2 = 0,02 [48] => | v-r2 = ? [49] => | r-i2 = ? [50] => | var2 = [51] => | spektrum2 = A0V [52] => | hmot2_kg = [53] => | hmot2_msol = [54] => | rad2_km = [55] => | rad2_rsol = [56] => | lum2_v = [57] => | teplota2 = [58] => | stáří2 = [59] => | p_rot2 = [60] => | v_rot2 = [61] => | p_osc2 = [62] => [63] => | hvězda3 = Alcyone C [64] => | ra3 = {{RA|3|47|19,357}} [65] => | dec3 = 24°8'20,63" [66] => | appmag_v3 = 8,25-8,30 [67] => | absmag_v3 = 2,45 až 3,20 [68] => | u-b3 = ? [69] => | b-v3 = 0,25 [70] => | v-r3 = ? [71] => | r-i3 = ? [72] => | var3 = [[Hvězdy typu Delta Scuti|δ Sct]] [73] => | spektrum3 = A7V [74] => | hmot3_kg = [75] => | hmot3_msol = [76] => | rad3_km = [77] => | rad3_rsol = [78] => | lum3_v = [79] => | teplota3 = [80] => | stáří3 = [81] => | p_rot3 = [82] => | v_rot3 = [83] => | p_osc3 = [84] => [85] => | hvězda4 = Alcyone D [86] => | ra4 = [87] => | dec4 = [88] => | appmag_v4 = 9,15 [89] => | absmag_v4 = [90] => | u-b4 = ? [91] => | b-v4 = ? [92] => | v-r4 = ? [93] => | r-i4 = ? [94] => | var4 = [95] => | spektrum4 = F3V [96] => | hmot4_kg = [97] => | hmot4_msol = [98] => | rad4_km = [99] => | rad4_rsol = [100] => | lum4_v = [101] => | teplota4 = [102] => | stáří4 = [103] => | p_rot4 = [104] => | v_rot4 = [105] => | p_osc4 = [106] => [107] => | prim1 = Alcyone A [108] => | prův1 = Alcyone B, C, D [109] => | dob_ob1 = 830 d [110] => | v_pol1 = ~3,8 [[astronomická jednotka|AU]] [111] => | exc1 = [112] => | skl1 = [113] => | dvu1 = [114] => | ašp1 = [115] => [116] => | HD = 23607/23629/23630 [117] => | HR = 1165 [118] => | SAO = 76191/76192/76199 [119] => | HIP = 17702 [120] => | TYC = 1800-2202-1
1800-2201-1
1800-1607-1 [121] => | GC = 4536/4541 [122] => | Argeland = [123] => | Gl = [124] => | con_zkr = Tau [125] => | Bayer = η [126] => | synonyma = V647 Tauri, CCDM J03474+2407ABC, GCRV 2129/2130/2135, IRAS 03445+2357, 2MASS J03472908+2406184
J03472103+2406586
J03471935+2408208, PLX 818/819/821 [127] => [128] => | SIMBAD = http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=alcyone&submit=SIMBAD+search [129] => | SIMBAD_popis = systém a hlavní složka [130] => | SIMBAD2 = http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=IDS+03415%2B2348+B&submit=SIMBAD+search [131] => | SIMBAD2_popis = Alcyone B [132] => | SIMBAD3 = http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=V647+Tau&submit=SIMBAD+search [133] => | SIMBAD3_popis = Alcyone C [134] => }} [135] => '''Alcyone''' nebo '''Eta Tauri''' (η Tau / η Tauri) je [[vícenásobná hvězda|vícenásobný hvězdný systém]] v [[souhvězdí Býka]] a nejjasnější hvězda ve hvězdokupě [[Plejády]]. Je obklopená modře svítící prachovou [[reflexní mlhovina|reflexní mlhovinou]]. Má [[hvězdná velikost|zdánlivou jasnost]] 2,85m, patří do [[spektrální klasifikace|spektrálního typu]] [[Spektrální klasifikace#Třída B|B]]7, do třídy svítivosti [[obr (hvězda)|III]]. Vzdálenost od [[Země]] je přibližně 400 [[světelný rok|ly]]. [136] => [137] => Hvězda je pojmenována po [[Alkyoné (dcera Atlanta)|Alkyoně]], postavě z [[řecká mytologie|řecké mytologie]]. [138] => [139] => == Odkazy == [140] => [141] => === Reference === [142] => [143] => [144] => === Externí odkazy === [145] => * {{Commonscat}} [146] => [147] => {{Pahýl}} [148] => [149] => {{Souhvězdí Býka}} [150] => {{Portály|Astronomie}} [151] => [152] => {{Souřadnice - vesmír [153] => | id = HD 23630 [154] => | rah = 3 [155] => | ram = 47 [156] => | ras = 29 [157] => | rass = 08 [158] => | ded = 24 [159] => | dem = 6 [160] => | des = 18 [161] => | dess = 49 [162] => }} [163] => [164] => [[Kategorie:Plejády]] [165] => [[Kategorie:Čtyřhvězdy]] [166] => [[Kategorie:Hvězdy v souhvězdí Býka]] [167] => [[Kategorie:Objekty v Bayerově katalogu]] [168] => [[Kategorie:Objekty ve Flamsteedově katalogu]] [169] => [[Kategorie:Modří obři]] [170] => [[Kategorie:Objekty v katalogu Henryho Drapera]] [171] => [[Kategorie:Objekty v katalogu Hipparcos]] [172] => [[Kategorie:HR objekty]] [] => )
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Alcyone

Alcyone nebo Eta Tauri (η Tau / η Tauri) je vícenásobný hvězdný systém v souhvězdí Býka a nejjasnější hvězda ve hvězdokupě Plejády. Je obklopená modře svítící prachovou reflexní mlhovinou.

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