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| names = MACHO*05:34:41.3−69:31:39, OGLE BRIGHT-LMC-ECL-17<ref>{{cite web |url=https://simbad.cds.unistra.fr/mobile/object.html?object_name=OGLE%20BRIGHT-LMC-ECL-17 |title=LMC X-3 |work=SIMBAD |access-date=21 September 2025}}</ref> |
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| names = MACHO*05:34:41.3−69:31:39 |
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Latest revision as of 05:02, 11 October 2025
Massive Binary star system in the Large Magellanic Cloud
MACHO*05:34:41.3−69:31:39 is an eclipsing binary star system located in the Large Magellanic Cloud (LMC), within the LH 54 OB association. Comprising two massive early-type O stars—an O3 If* supergiant and an O6 V main-sequence star. It is a rare example of an overcontact binary with a short orbital period. The system is notable for its high stellar masses and strong binary interactions, providing valuable insights into massive star evolution in a low-metallicity environment.
