411 REFERENCE · Wiktionary
Siwarha
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
thumb|right|400px|An artist’s impression of Betelgeuse and Siwarha; the latter trailing a dark, expanding wake as it orbits the former
Etymology
en ar سِوَارهَا her bracelet, so named because en Betelgeuse derives from ar يَد الجَوْزَاء hand of Jawzāʾ; ar جَوْزَاء f Jawzāʾ is a female figure in Arabian legend.
Pronunciation
sĭwärʹhä siwärʹhä, en /sɪˈwɑː(ɹ).hɑː/ /siːˈwɑː(ɹ).hɑː/
Proper noun
en star The companion protostar in orbit around Betelgeuse.
en Bayer designations α Orionis B Alpha Orionis B α Ori B Alpha Ori B ; Betelbuddy<q:unofficial early nickname>
en 2025 June–July Steve B. Howell;David R. Ciardi;Catherine A. Clark;Douglas A. Hope;Colin Littlefield;Elise Furlan The Probable Direct-imaging Detection of the Stellar Companion to Betelgeuse Frederic Rasio;Luis C. Ho;Rekha Jain;Maria Womack w:The Astrophysical Journal Letters 988 2 District of Columbia w:American Astronomical Society August 2025 10.3847/2041-8213/adeaaf article L47 8/1 8 https://iopscience.iop.org/article/10.3847/2041-8213/adeaaf/pdf#page=8 The name Betelgeuse means “Hand of the Giant,” with “Elgeuse” being a historical Arabic name of the Orion constellation and a feminine name in old Arabian legend. Given that grc α Ori B orbits the hand of the giant, we suggest that the companion star be named ar سوارها (Siwarha), or “Her Bracelet.”
Translations
companion protostar in orbit around Betelgeuse
Further reading
Betelguese Possible companion star
Catalogue of Star Names of the International Astronomical Union