NGC 6584是一個球狀星團,位於望遠鏡座中的天壇座θ附近,距離地球為45,000光年[2]。它是一個奧斯特霍夫I型星團,包含至少69顆變星,其中大部分是天琴座RR型變星:46顆星被確定為RRab型變星; 15顆RRc型變星、1顆RRe型變星、4顆食雙星和3顆長週期變星[4]。
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外部連結
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