Yaza (Arrow) - Yaza (English spelling) Sagitta
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Its abbreviation is Sge. It is a small constellation along the Milky Way in early summer. The 4th and 5th magnitude stars form a horizontal Y shape. It was established by Ptolemy and resembles the arrow shot by Hercules to save Prometheus from a rock being tortured by an eagle. Its approximate position is 19h40m in right ascension and +18° in declination. It reaches its culmination at 8pm in mid-September. [Ishida Goro] Source: Heibonsha World Encyclopedia, 2nd Edition Information |
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略号はSge。天の川沿いの初夏の小星座。4等，5等の星が横長にY字を描く。プトレマイオスの定めた星座で，ワシに苦しめられる岩上のプロメテウスを救うためにヘラクレスが放った矢に擬する。概略位置は赤経19h40m，赤緯＋18゜。午後8時の南中は9月中旬である。【石田 五郎】
出典 株式会社平凡社世界大百科事典 第２版について 情報 |
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