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The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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Spectral study of the Ultraluminous X-ray sources in M51 at different epochs of Chandra observation
Zhongguó wùli xuékan, 2023Thokchom Sanatombi +2 more
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