HST-STIS Spectra of Antares (α Scorpii: M1.5 Iab)—Type II Supernova Progenitor and Betelgeuse’s Chromospheric Twin

We present the first Hubble Space Telescope - Space Telescope Imaging Spectrograph (HST-STIS) far-ultraviolet (FUV) and near-ultraviolet (NUV) high-resolution spectra of the red supergiant (RSG) Antares (M1.5 Iab), isolated from its long-period B-star binary companion, and compare them to spectra of...

पूर्ण विवरण

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मुख्य लेखकों:	Graham M. Harper, Thomas R. Ayres, Keiichi Ohnaka, Edward F. Guinan, Curtis DeWitt
स्वरूप:	Artigo
भाषा:	Inglês
प्रकाशित:	IOP Publishing 2026-01-01
श्रृंखला:	The Astrophysical Journal
विषय:	Stellar chromospheres M supergiant stars Hubble Space Telescope Ultraviolet spectroscopy Stellar winds
ऑनलाइन पहुंच:	https://doi.org/10.3847/1538-4357/ae581b
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