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astro-ph.HE2024★ 4 cited
Multi-wavelength spectroscopic analysis of the ULX Holmberg II X-1 and its nebula suggests the presence of a heavy black hole accreting from a B-type donor
S. Reyero Serantes, L. Oskinova, W. -R. Hamann +11
Ultra-luminous X-ray sources (ULXs) are high-mass X-ray binaries with an X-ray luminosity above erg s. These ULXs can be powered by black holes that are more massi…
astro-ph.GA2024
Chemical abundances and ionizing mechanisms in the star-forming double-ring of AM 0644-741 using MUSE data
V. M. A. Gómez-González, Y. D. Mayya, J. Zaragoza-Cardiel +6
We present the analysis of archival Very Large Telescope (VLT) Multi-Unit Spectroscopic Explorer (MUSE) observations of 179 HII regions in the star-forming double-ring collisional…