376 citations · 2.5k across the 31 of their papers we have counts for
31 papers
On-sky Fibre-Target-Alignment of the 4MOST instrument: calibration and performance
Roland Winkler, Weijia Sun, Daniel Sablowski +9
The 4-metre Multi-Object Spectroscopic Telescope (4MOST) is a new wide-field, fibre-fed spectroscopic survey facility for the VISTA telescope at ESOs Paranal Observatory. The instr…
Effects of the Hunga Tonga-Hunga Ha'apai Volcanic Eruption on Observations at Paranal Observatory
Robert J. De Rosa, Angel Otarola, Thomas Szeifert +8
The Hunga Tonga-Hunga Ha'apai volcano erupted on 15 January 2022 with an energy equivalent to around 61 megatons of TNT. The explosion was bigger than any other volcanic eruption s…
Spectroscopic and photometric oscillatory envelope variability during the S Doradus outburst of the Luminous Blue Variable R71
A. Mehner, D. Baade, J. H. Groh +7
To better understand the LBV phenomenon, we analyze multi-epoch and multi-wavelength spectra and photometry of R71. Pre-outburst spectra are analyzed with the radiative transfer co…
VLT/FLAMES spectroscopy of red giant branch stars in the Fornax dwarf spheroidal galaxy
B. Lemasle, T. de Boer, V. Hill +13
Fornax is one of the most massive dwarf spheroidal galaxies in the Local Group. The Fornax field star population is dominated by intermediate age stars but star formation was going…
Basic parameters and properties of the rapidly rotating magnetic helium strong B star HR7355
Th. Rivinius, R. H. D. Townsend, O. Kochukhov +4
The spectral and magnetic properties and variability of the B2Vnp emission-line magnetosphere star HR7355 were analyzed. The object rotates at almost 90% of the critical value, mea…
HR 5907: Discovery of the most rapidly rotating magnetic B-type star by the MiMeS Collaboration
J. H. Grunhut, Th. Rivinius, G. A. Wade +15
We report the discovery and analysis of a very strong magnetic field in the rapidly rotating early B-type star HR 5907, based on observations obtained as part of the Magnetism in M…