Hercules (ìgwè kpakpando)
Hercules bụ otu mkpị aha ya bụ Hercules, dike okpukpe ifo ndị Rom nke sitere na dike Gris Heracles . Hercules bụ otu n'ime m ike 48 nke onye na-egosi mbara igwe nke ike afụ nke abụọ Ptolemy depụtara, ọ bụkwa otu n'ime ike 88 nke oge a taa. Ọ bụ nke kasị ukwuu nke m ike mgbo ọgbara ọhụrụ ma bụrụ nke kasị ukwuu n'ime 50 ndị na-mweghara na-pupụ pọpụ ka ọ nọmba +2.5.
[1]Hercules dị n'ókè Draco n'ebe ugwu; Boötes, Corona Borealis, na Serpens Caput n'ebe ihe ọmụmụ; Ophiuchus n'ebe ndida; Akwịla n'ebe ndị na-eme egwuregwu; na Sagitta, Vulpecula, na Lyra n'ebe ama ama. Mkpokọta 1225.1 ogo square na 2.970% nke mbara igwe , ọ nọ n'ọkwa nke ise n'etiti m 88 n'ogo. [1] Mbiri nke ụgbọala atọ maka mgbụsị akwụkwọ, dị ka International Astronomical Union nakweere na 1922, bụ 'Ya'. [2] Oke ọnụ ọgụgụ ndị na-arụ ọrụ, dịka Eugène Delporte debere na 1930, ka ejiri polygon nke ngwá 32 eji ( nke e eserese na igbe ozi ). N'ime usoro nhazi nke equatorial, epoch 2000, nhazi nhazi nke ịrị elu nke egwuregwu ndị a dị n'etiti 16h 00 m 26.64 s na 18h 57 m 49.50 s, ebe nhazi nke dị n'etiti + 3.67 ° na + 51.32 ° . [3] N'ebe etiti ugwu ugwu, a na-ahụ Hercules kacha mma site na etiti mmiri ruo n'oge mgbụsị akwụkwọ, na-ejedebe n'etiti enyi na June 13. [4]
. Hercules mbụ nke mbụ ma ọ bụ nke abụọ . Manuel, ọ nwere ọtụtụ ndị ọzọ ogo 4. Alfa Herculis, nke a na-akpọkarị Rasalgethi, bụ usoro usoro atọ, nke nwere ike idozi na obere teliskop ndị na-amu amu, afọ 359 site na mmetụta. Aha a na-akpọkarị ya "isi onye". [1] Nke bụ isi bụ mgbanwe agbanwe oge niile; ọ bụ na-egosi nke nwere opekempe nke 4 yana oke nke 3. Ọ nwere dayameta nke ihe dị ka dayameta ọmụmụ 400. [2] Nke abụọ, ọnụọgụ abụọ spectroscopic nke na-agba ọsọ na nke mbụ kwa afọ 3600, bụ ike. na-acha ọkụ nwere na-acha akwụkwọ ndụ akwụkwọ ndụ oke 5.6. Beta Herculis, nke a na-akpọkwa Kornephoros, bụ ọrịa na-akpa na Hercules. Ọ bụ nnukwu odo nke ukwuu 2.8, 148 ìhè afụ site na mmetụta; kornephoros onye na-ebu osisi. [3] Delta Herculis A bụ okpukpu abụọ nke a na-ekewa na obere teliskop ndị amateur. Nke mbụ bụ ndị na-acha ndị na-acha ọkụ ọkụ nke ogo 3.1, ma dị afọ 78 site n'ụwa. Onye na-ahụ maka ngwa anya bụ oke 8.2. Gamma Herculis bụkwa akwụkwọ nke abụọ nke a na-ekewa na obere teliskop ndị amateur. Nke bụ isi bụ nnukwu ọcha dị nha 3.8, 195 ìhè afụ site na njikere. The enyi anya, kewapụrụ ebe nile, bụ 10th magnitude. Zeta Herculis bụ ọnụọgụ ọnụọgụ abụọ nke na-ekewa na telescopes onye na-amu amu, ka ihe na-agụ ya na- ruo ruo ọnụ ha kacha elu na 2025. Usoro, 35 ìhè-afọ si , nwere oge nke 34.5 afọ. Nke mbụ bụ ikike nke odo nke ogo 2.9 na nke abụọ bụ oroma nke ogo 5.7. [4]
M13, nke a na-ahụ anya ma anya gba ọtọ na binoculars, bụ ụyọkọ globular nke ogo 6 nke nwere ihe karịrị kpakpando 300,000 yana 25,200 ìhè-afọ site na Ụwa. Ọ dịkwa oke ibu, nke nwere dayameta pụtara ìhè nke karịrị ogo 0.25, ọkara nke ọnwa zuru oke; dayameta anụ ahụ ya karịrị otu narị afọ ọkụ. Kpakpando n'otu n'otu na M13 nwere ike idozi ya na obere teliskop amateur.
- ↑ Thompson (2007). Illustrated Guide to Astronomical Wonders: From Novice to Master Observer. Sebastopol, California: O'Reilly Media, Inc., 256–63. ISBN 978-0-596-52685-6.