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rr lyrae

Free Access to the May 5 Keynote Address at the AAVSO Spring Meeting

The theme of this year’s spring meeting is Pulsating Stars. The meeting will begin on Thursday evening at 6pm CDT with a keynote address by Dr. Horace Smith, Professor Emeritus of Michigan State University and a noted expert on RR Lyrae stars. Dr.

Observed Maxima Timings of RR Lyrae Stars

Observed Maxima Timings of RR Lyrae Stars

Globular Cluster Omega Centauri
Many RR Lyrae stars were discovered in globular clusters where they could be used as standard candles for cosmic distance estimations.
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