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bg crucisの例文

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  • Confirmed first overtone pulsators include BG Crucis and BP Circini.
  • BG Crucis ranges from magnitude 5.34 to 5.58 over 3.3428 days, T Crucis ranges from 6.32 to 6.83 over 6.73331 days, S Crucis ranges from 6.22 to 6.92 over 4.68997 days, and R Crucis ranges from 6.4 to 7.23 over 5.82575 days . BH Crucis, also known as Welch's Red Variable, is a Mira variable that ranges from magnitude 6.6 to 9.8 over 530 days . Discovered in October 1969, it has become redder and brighter ( mean magnitude changing from 8.047 to 7.762 ) and its period lengthened by 25 % in the first thirty years since its discovery.