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X-shooter Spectroscopy and HST Imaging of 15 Ultra Massive Quiescent Galaxies at
Mikkel Stockmann, Sune Toft, Anna Gallazzi +23
We present a detailed analysis of a large sample of spectroscopically confirmed ultra-massive quiescent galaxies () at . This sam…
GRB 190114C in the nuclear region of an interacting galaxy -- A detailed host analysis using ALMA, HST and VLT
A. de Ugarte Postigo, C. C. Thöne, S. Martın +28
GRB 190114C is the first GRB for which the detection of very-high energy emission up to the TeV range has been reported. It is still unclear whether environmental properties might…
Identification of strontium in the merger of two neutron stars
Darach Watson, Camilla J. Hansen, Jonatan Selsing +15
Half of all the elements in the universe heavier than iron were created by rapid neutron capture. The theory for this astrophysical `-process' was worked out six decades ago and…
Quiescent galaxies 1.5 billion years after the Big Bang and their progenitors
Francesco Valentino, Masayuki Tanaka, Iary Davidzon +18
We report two secure () and one tentative () spectroscopic confirmations of massive and quiescent galaxies through -band observations with Keck/MO…
New constraints on the physical conditions in H-bearing GRB-host damped Lyman- absorbers
K. E. Heintz, J. Bolmer, C. Ledoux +25
We report the detections of molecular hydrogen (H), vibrationally-excited H (H), and neutral atomic carbon (CI), in two new afterglow spectra of GRBs\,181020A ($z=2.9…
The optical and near-infrared spectrum of the Crab pulsar with X-shooter
J. Sollerman, J. Selsing, P. M. Vreeswijk +2
Pulsars are well studied all over the electromagnetic spectrum, and the Crab pulsar may be the most studied object in the sky. Nevertheless, a high-quality optical to near-infrared…