Leet o constellations bi aurie

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Hydra is the mucklest constellation.

The buird ablo ranks the 88 modern constellations bi the solid angle that thay subtend in the lift, measured in square degrees n millisteradians.

Thir solid angles depend oan arbitrie boundaries atween the constellations: the leet ablo is based oan constellation boundaries drawn up bi Eugène Delporte in 1930 oan behalf o the IAU n publeesht in Délimitation scientifique des constellations (Cambridge Varsity Press). Afore Delporte's wairk, thaur wis nae precise leet o the boundaries o ilka constellation.

Delporte drew the boundaries alang verteecal n horizontal lines o richt ascension n declination; houever, he did sae fer the epoch B1875.0, this means that cause o the precession o the equinoxes, the borders oan ae modern stair cairt (e.g., fer epoch J2000) ar awreadie ae wee bit aff kilter n ar nae langer perfectlie vertical or horizontal. This skew will graw ower the years n centuairs tae come. Houever, this disna chynge the solid angle o onie constellation.

Rank Familie [1] Abbrev. Constellation Solid angle
("Aurie")
(sq. deg.) [2]
Solid angle
(millisteradians)
Per­cent­age Richt ascension
(hoors & mins) [3]
Decli­naition
(degs & mins)
Quad [4]
01 Her Hya Hydra 1302.844 396.869 3.16% 11 36.73 −14 31.91 SQ2
02 Zod Vir Virgo 1294.428 394.305 3.14% 13 24.39 −04 09.51 SQ3
03 Urs UMa Ursa Major 1279.660 389.807 3.10% 11 18.76 +50 43.27 NQ2
04 Per Cet Cetus 1231.411 375.109 2.99% 01 40.10 −07 10.76 SQ1
05 Her Her Hercules 1225.148 373.201 2.97% 17 23.16 +27 29.93 NQ3
06 Wat Eri Eridanus 1137.919 346.630 2.76% 03 18.02 −28 45.37 SQ1
07 Per Peg Pegasus 1120.794 341.413 2.72% 22 41.84 +19 27.98 NQ4
08 Urs Dra Draco 1082.952 329.886 2.63% 15 08.64 +67 00.40 NQ3
09 Her Cen Centaurus 1060.422 323.023 2.57% 13 04.27 −47 20.72 SQ3
10 Zod Aqr Aquarius 979.854 298.481 2.38% 22 17.38 −10 47.35 SQ4
11 Her Oph Ophiuchus 948.340 288.881 2.30% 17 23.69 −07 54.74 SQ3
12 Zod Leo Leo 946.964 288.462 2.30% 10 40.03 +13 08.32 NQ2
13 Urs Boo Boötes 906.831 276.237 2.20% 14 42.64 +31 12.16 NQ3
14 Zod Psc Pisces 889.417 270.932 2.16% 00 28.97 +13 41.23 NQ1
15 Zod Sgr Sagittarius 867.432 264.235 2.10% 19 05.94 −28 28.61 SQ4
16 Her Cyg Cygnus 803.983 244.907 1.95% 20 35.28 +44 32.70 NQ4
17 Zod Tau Taurus 797.249 242.856 1.93% 04 42.13 +14 52.63 NQ1
18 Urs Cam Camelopardalis 756.828 230.543 1.83% 08 51.37 +69 22.89 NQ2
19 Per And Andromeda 722.278 220.018 1.75% 00 48.46 +37 25.91 NQ1
20 Wat Pup Puppis 673.434 205.140 1.63% 07 15.48 −31 10.64 SQ2
21 Per Aur Auriga 657.438 200.267 1.59% 06 04.42 +42 01.68 NQ2
22 Her Aql Aquila 652.473 198.755 1.58% 19 40.02 +03 24.65 NQ4
23 Her Ser Serpens [5] 636.928 194.019 1.54% 16 57.04 +06 07.32 NQ3
24 Per Per Perseus 614.997 187.339 1.49% 03 10.50 +45 00.79 NQ1
25 Per Cas Cassiopeia 598.407 182.285 1.45% 01 19.16 +62 11.04 NQ1
26 Ori Ori Orion 594.120 180.979 1.44% 05 34.59 +05 56.94 NQ1
27 Per Cep Cepheus 587.787 179.050 1.42% 02 32.64 +71 00.51 NQ4
28 Urs Lyn Lynx 545.386 166.134 1.32% 07 59.53 +47 28.00 NQ2
29 Zod Lib Libra 538.052 163.900 1.30% 15 11.96 −15 14.08 SQ3
30 Zod Gem Gemini 513.761 156.501 1.25% 07 04.24 +22 36.01 NQ2
31 Zod Cnc Cancer 505.872 154.097 1.23% 08 38.96 +19 48.35 NQ2
32 Wat Vel Vela 499.649 152.202 1.21% 09 34.64 −47 10.03 SQ2
33 Zod Sco Scorpius 496.783 151.329 1.20% 16 53.24 −27 01.89 SQ3
34 Wat Car Carina 494.184 150.537 1.20% 08 41.70 −63 13.16 SQ2
35 Ori Mon Monoceros 481.569 146.694 1.17% 07 03.63 +00 16.93 NQ2
36 Lac Scl Sculptor 474.764 144.621 1.15% 00 26.28 −32 05.30 SQ1
37 Bay Phe Phoenix 469.319 142.963 1.14% 00 55.91 −48 34.84 SQ1
38 Urs CVn Canes Venatici 465.194 141.706 1.13% 13 06.96 +40 06.11 NQ3
39 Zod Ari Aries 441.395 134.457 1.07% 02 38.16 +20 47.54 NQ1
40 Zod Cap Capricornus 413.947 126.095 1.00% 21 02.93 −18 01.39 SQ4
41 Lac For Fornax 397.502 121.086 0.96% 02 47.88 −31 38.07 SQ1
42 Urs Com Coma Berenices 386.475 117.727 0.94% 12 47.27 +23 18.34 NQ3
43 Ori CMa Canis Major 380.118 115.791 0.92% 06 49.74 −22 08.42 SQ2
44 Bay Pav Pavo 377.666 115.044 0.92% 19 36.71 −65 46.89 SQ4
45 Bay Gru Grus 365.513 111.342 0.89% 22 27.39 −46 21.11 SQ4
46 Her Lup Lupus 333.683 101.646 0.81% 15 13.21 −42 42.53 SQ3
47 Her Sex Sextans 313.515 95.502 0.76% 10 16.29 −02 36.88 SQ2
48 Bay Tuc Tucana 294.557 89.727 0.71% 23 46.64 −65 49.80 SQ4
49 Bay Ind Indus 294.006 89.559 0.71% 21 58.33 −59 42.40 SQ4
50 Lac Oct Octans 291.045 88.657 0.71% 23 00.00 −82 09.12 SQ4
51 Ori Lep Lepus 290.291 88.428 0.70% 05 33.95 −19 02.78 SQ1
52 Her Lyr Lyra 286.476 87.266 0.69% 18 51.17 +36 41.36 NQ4
53 Her Crt Crater 282.398 86.023 0.68% 11 23.75 −15 55.74 SQ2
54 Wat Col Columba 270.184 82.303 0.65% 05 51.76 −35 05.67 SQ1
55 Her Vul Vulpecula 268.165 81.688 0.65% 20 13.88 +24 26.56 NQ4
56 Urs UMi Ursa Minor 255.864 77.941 0.62% 15 00.00 +77 41.99 NQ3
57 Lac Tel Telescopium 251.512 76.615 0.61% 19 19.54 −51 02.21 SQ4
58 Lac Hor Horologium 248.885 75.815 0.60% 03 16.56 −53 20.18 SQ1
59 Lac Pic Pictor 246.739 75.161 0.60% 05 42.46 −53 28.45 SQ1
60 Wat PsA Piscis Austrinus 245.375 74.745 0.59% 22 17.07 −30 38.53 SQ4
61 Bay Hyi Hydrus 243.035 74.033 0.59% 02 20.65 −69 57.39 SQ1
62 Lac Ant Antlia 238.901 72.773 0.58% 10 16.43 −32 29.01 SQ2
63 Her Ara Ara 237.057 72.212 0.57% 17 22.49 −56 35.30 SQ3
64 Urs LMi Leo Minor 231.956 70.658 0.56% 10 14.72 +32 08.08 NQ2
65 Wat Pyx Pyxis 220.833 67.270 0.54% 08 57.16 −27 21.10 SQ2
66 Lac Mic Microscopium 209.513 63.821 0.51% 20 57.88 −36 16.49 SQ4
67 Bay Aps Apus 206.327 62.851 0.50% 16 08.65 −75 18.00 SQ3
68 Per Lac Lacerta 200.688 61.133 0.49% 22 27.68 +46 02.51 NQ4
69 Wat Del Delphinus 188.549 57.435 0.46% 20 41.61 +11 40.26 NQ4
70 Her Crv Corvus 183.801 55.989 0.45% 12 26.52 −18 26.20 SQ3
71 Ori CMi Canis Minor 183.367 55.857 0.44% 07 39.17 +06 25.63 NQ2
72 Bay Dor Dorado 179.173 54.579 0.43% 05 14.51 −59 23.22 SQ1
73 Urs CrB Corona Borealis 178.710 54.438 0.43% 15 50.59 +32 37.49 NQ3
74 Lac Nor Norma 165.290 50.350 0.40% 15 54.18 −51 21.09 SQ3
75 Lac Men Mensa 153.484 46.754 0.37% 05 24.90 −77 30.24 SQ1
76 Bay Vol Volans 141.354 43.059 0.34% 07 47.73 −69 48.07 SQ2
77 Bay Mus Musca 138.355 42.145 0.34% 12 35.28 −70 09.66 SQ3
78 Per Tri Triangulum 131.847 40.163 0.32% 02 11.07 +31 28.56 NQ1
79 Bay Cha Chamaeleon 131.592 40.085 0.32% 10 41.53 −79 12.30 SQ2
80 Her CrA Corona Australis 127.696 38.898 0.31% 18 38.79 −41 08.85 SQ4
81 Lac Cae Caelum 124.865 38.036 0.30% 04 42.27 −37 52.90 SQ1
82 Lac Ret Reticulum 113.936 34.707 0.28% 03 55.27 −59 59.85 SQ1
83 Her TrA Triangulum Australe 109.978 33.501 0.27% 16 04.95 −65 23.28 SQ3
84 Her Sct Scutum 109.114 33.238 0.26% 18 40.39 −09 53.32 SQ4
85 Lac Cir Circinus 93.353 28.437 0.23% 14 34.54 −63 01.82 SQ3
86 Her Sge Sagitta 79.932 24.349 0.19% 19 39.05 +18 51.68 NQ4
87 Wat Equ Equuleus 71.641 21.823 0.17% 21 11.26 +07 45.49 NQ4
88 Her Cru Crux 68.447 20.850 0.17% 12 26.99 −60 11.19 SQ3

References[eedit | eedit soorce]

  1. 'Familie' abbreviations that correspond til the Constellation Familie Abbreviations: Per=Perseus, Urs=Ursa Mukle, Her=Hercules, Zod=Zodiacal, Ori=Orion, Wat=Heaenlie watters, Bay=J. Bayer, Lac=La Caille (see the Leet o constellations).
  2. The total solid angle o aw constellations is the total solid angle o the lift, n this is exactlie 4π steradians, or 4π × (180/π)2 = 129,600/π square degrees, or approximatelie 41,252.961 square degrees. The figurs oan the buird dinna sum exactlie til this nummer cause o roundin mistaks, thir vanish whan the auries ar roundit in steid til yin decimal place.
  3. Richt ascension n declination o the midpoints o the constellations.
  4. "Quad" designates the quadrant o the lift aes N fer North or S fer South, Quadrant 1 throuch 4.
  5. Serpens is dividit intil the twa pairts:
    Serpens Caput ("The Serpant's Heid"; 428.484 sq. deg.; midpoint: RA: 15 46.49, Dec: +10 58.20), n
    Serpens Cauda ("The Serpant's Tail"; 208.444 sq. deg.; midpoint: RA: 18 07.60, Dec: -04 51.73)

Ootby airtins[eedit | eedit soorce]