Ground-based Discovery of Cepheids and Miras in M101
classification
🌌 astro-ph
keywords
cepheidcepheidsdaysdistancem101miramirasagree
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We have identified 4 Cepheids and 5 Miras using KPNO 4m BVRI images of an outer field in M101. The Cepheid and Mira periods range from 30 to 60 days and 350 to 800 days, respectively. We derive independent Cepheid and Mira distance moduli that agree within experimental uncertainties. We find a true distance modulus of 29.08 +- 0.13 mag.
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