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20212026
most citedX-Shooting ULLYSES: massive stars at low metallicity. I. Project Description

61 citations · 563 across the 48 of their papers we have counts for

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astro-ph.GA2026

JWST reveals a highly ionized nebula powered by an ultraluminous X-ray source with a massive black hole in the metal-poor galaxy Holmberg II

F. A. Fogantini, P. Zeidler, L. M. Oskinova +9

Recent James Webb Space Telescope (JWST) observations have revealed fine-structure lines of ions with ionization potentials \,eV, such as [Ne\,{\sc v}] and [O\,{\sc iv…