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MUSE crowded field 3D spectroscopy in NGC 300 III. Characterizing extremely faint HII regions and diffuse ionized gas
Genoveva Micheva, Martin M. Roth, Peter M. Weilbacher +7
There are known differences between the physical properties of HII and diffuse ionized gas (DIG), but most of the studied regions in the literature are relatively bright. We compil…
MUSE 3D spectroscopy of BA-type supergiants in NGC 300
Gemma González-Torà, Miguel A. Urbaneja, Norbert Przybilla +4
We present the results obtained using spectroscopic data taken with the intermediateresolution Multi Unit Spectroscopic Explorer (MUSE) of B and A-type supergiants and bright giant…
Classical OBe Stars as Post-Supernova Runaways: Confirming Binary Origins
Matthew M. Dallas, M. S. Oey, Norberto Castro
Massive binaries play an important role in fields ranging from gravitational wave astronomy to stellar evolution. We provide several lines of evidence that classical OBe stars in t…
A new reference catalogue for the very metal-poor Universe: +150 OB stars in Sextans A
Marta Lorenzo, Miriam Garcia, Francisco Najarro +3
Local Group (LG) very metal-poor massive stars are the best proxy for the First Stars of the Universe and fundamental to modelling the evolution of early galaxies. These stars may…
Stellar mergers as the origin of the blue main-sequence band in young star clusters
Chen Wang, Norbert Langer, Abel Schootemeijer +10
Recent high-quality Hubble Space Telescope (HST) photometry shows that the main sequences (MS) stars of young star clusters form two discrete components in the color-magnitude diag…
MUSE crowded field 3D spectroscopy in NGC 300 II. Quantitative spectroscopy of BA-type supergiants
Gemma González-Torà, Miguel A. Urbaneja, Norbert Przybilla +4
A quantitative spectral analysis of BA-type supergiants and bright giants in an inner spiral arm region of the nearby spiral galaxy NGC 300 is presented, based on observations with…