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Edwin Francis Carpenter (November 1, 1898 – February 11, 1963) was an Americanastronomer.[1]
He was born inBoston,Massachusetts and received his A.B. and A.M. fromHarvard University. In 1925 he was awarded a Ph.D. fromUniversity of California at Berkeley. He became an instructor at theUniversity of Arizona, and by 1936 he was heading up the Astronomy Department. In 1938 he became directory ofSteward Observatory, remaining in that post until 1963. He also served as Vice-president and chairman for the Astronomical Divisions of theAmerican Association for the Advancement of Science.
Among the subjects of his research werewhite dwarf stars,supernovae andgalactic astronomy. He discovered a relationship between the density of galaxies in acluster and the size of the cluster: larger clusters have a lower density of galaxies. He provided the data that led toWillem Jacob Luyten's discovery ofUV Ceti, the first knownflare star.[2]
He was married to botanistEthel Grace Stiffler in 1933, and the couple had two children, Roger and Emily.[3] Theasteroid1852 Carpenter isnamed after him, while the craterCarpenter on theMoon is co-named in honor of him andJames Carpenter.[citation needed]
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