BX Andromedae
star in the constellation Andromeda
BX Andromedae (BX And) is an eclipsing binary star in the constellation Andromeda. Its maximum apparent visual magnitude is 8.87. Within a cycle of approximately 14.6 hours, the brightness drops down to a magnitude of 9.53 during the main eclipse, and to a magnitude of 9.12 during the secondary one. It is classified as a Beta Lyrae variable.
Variability
The variability of BX Andromedae was reported first by A. Soloviev, in 1945. He believed it to be an eclipsing binary, but was unable to deduce its period. The star's period was first measured in 1951, by Joseph Ashbrook.
BX Andromedae, like all Beta Lyrae variables, shows a primary and a secondary minimum when, respectively, the most luminous and the less luminous component of the pair is eclipsed by the other. The brightness however changes smoothly, so there is no onset and an end time for the eclipses. This cycle repeats approximately every 14.6 hours.
“BX Andromedae” enters the record as star in the constellation Andromeda. Crown Archives preserves that source wording while asking what Andromedae, star and constellation can confirm, complicate or overturn.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Apr 22, 2026. The linked authority identifier is Q60750403. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1945 and 1951.
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This entry incorporates text from “BX Andromedae” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.