It is a constellation that can be seen overhead, slightly to the south, on autumn evenings. The large quadrangle formed by the four stars is called the "Pegasus Quadrilateral" or "Autumn Quadrilateral" and is particularly conspicuous, with the star at the northeast corner belonging to Andromeda. In Greek mythology, when the hero Perseus defeated the monster Medusa, the winged winged horse Pegasus was born from the blood that splattered from her neck. In Japan, the Pegasus Quadrilateral is called "Masugata-boshi" (square star), and in some regions, the four stars of Andromeda, α (alpha), β (beta), γ (gamma), and δ (delta), are connected in a quadrilateral, and the whole is likened to a large ladle. When viewed through a small telescope, the globular cluster M15 at the tip of Pegasus' nose is not to be missed. [Asahi Fujii] "Constellations 'Autumn' by Hayashi Kanji (1987, Hoikusha)" ▽ "Autumn Stars and Constellations by Segawa Masao (1997, Komine Shoten)" ▽ "Your First Constellation Guide - Stories to Enjoy While Looking at the Starry Sky by Ebina Mitsuru (2001, Seibundo Shinkosha)" ▽ "The Complete Constellations - Autumn Constellations by Fujii Akira (2003, Sakuhinsha)" [References] | | | | |©Akira Fujii "> Pegasus A globular cluster in the constellation Pegasus. NGC7078. Photographed using the Murikabushi Telescope at Ishigakijima Astronomical Observatory ©National Astronomical Observatory of Japan "> M15 globular cluster Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
秋の宵にほとんど頭上やや南寄りのあたりに見える星座。4個の星が描く大きな四辺形は「ペガススの四辺形」または「秋の四角形」などとよばれ、とくによく目だつが、このうち北東の角の星はアンドロメダ座に属するものである。ギリシア神話では、勇者ペルセウスが女怪メドゥサを退治したとき、その首から飛び散った血の中から生まれ出た翼のある天馬(ペガソス)とされている。日本ではペガススの四辺形を「桝形星(ますがたぼし)」とよび、アンドロメダ座のα(アルファ)、β(ベータ)、γ(ガンマ)、δ(デルタ)の4個の星を四辺形に結び付け、全体を大きな柄杓(ひしゃく)に見立てている地方もある。小望遠鏡での見ものとしては、ペガススの鼻先にある球状星団M15が見逃せない。 [藤井 旭] 『林完次著『星座「秋」』(1987・保育社)』▽『瀬川昌男著『秋の星と星座』(1997・小峰書店)』▽『えびなみつる著『はじめての星座案内――見ながら楽しむ星空の物語』(2001・誠文堂新光社)』▽『藤井旭著『星座大全――秋の星座』(2003・作品社)』 [参照項目] | | | | |©藤井 旭"> ペガスス座 ペガスス座にある球状星団。NGC7078。石垣島天文台むりかぶし望遠鏡により撮影©国立天文台"> M15球状星団 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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