activity
20222026
most citedX-ray and Hα superflare on an RS CVn-type star, UX Arietis: Constraint on the flare location from radial velocity change during the flare

2 citations · 4 across the 3 of their papers we have counts for

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astro-ph.HE2025

Optical Observations of the High Mass X-ray Binary MAXI J0709159/LY CMa

Megumi Shidatsu, Nobuyuki Kawai, Hiroyuki Maehara +12

We report on the optical spectroscopic monitoring of the X-ray transient MAXI J0709159 (identified as the Be star LY CMa) performed for about 1.5 months after the X-ray detectio…

astro-ph.HE2022★ 2 cited

Discovery of a new supergiant fast X-ray transient MAXI J0709-159 associated with the Be star LY CMa

Mutsumi Sugizaki, Tatehiro Mihara, Kohei Kobayashi +10

We report on the discovery of a new supergiant fast X-ray transient (SFXT), MAXI J0709159, and its identification with LY CMa (also known as HD 54786). On 2022 January 25, a new…