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647 papers · 1 filter
A Single Line-Emitter Identified in an Unbiased Search with JWST/NIRSpec: Multi-Object Coronagraphy for Slitless Spectroscopy
Mason S. Huberty, Claudia Scarlata, Matthew J. Hayes +13
We report the detection of a previously unknown object with a single emission line within the Hubble Ultra Deep Field, using a new JWST NIRSpec technique called Multi-Object Corona…
MUSE-ALMA Haloes XV: Cold molecular, ionised, and stellar kinematics of HI-rich galaxies at z 0.5
C. Barfety, N. M. Förster Schreiber, C. Péroux +13
Spatially resolved galaxy kinematics are well studied at z 0 and z > 1, revealing that disks are common out to z , albeit with higher velocity dispersions. z …
Euclid Quick Data Release (Q1) Euclid spectroscopy of quasars. 2. Physical properties from spectral fitting
Euclid Collaboration, J. Calhau, G. Calderone +312
A substantial volume of spectroscopic data has become available with the Euclid Data Release (Q1), which represents a unique opportunity to study quasars (QSOs) in the Euclid Deep…
Slow stellar halo rotation as a signature of disc flips and GES-like mergers
Kirill Batrakov, Alis J. Deason, Francesca Fragkoudi +3
The stellar halo of the Milky Way (MW) exhibits a weak net prograde rotational signal ( km~s), yet its origin remains unexplained. To investigate this, we u…
Euclid Quick Data Release (Q1). Searching for radio-selected \Euclid-dark galaxies in the EDF-N
Euclid Collaboration, M. Giulietti, I. Prandoni +308
We present and investigate the properties of a sample of radio-selected, Euclid-dark galaxies, identified from LOFAR HBA observations at 144 MHz within the Euclid Deep Field-North…
Euclid Quick Data Release (Q1): The geometry of dark matter halos from extragalactic streams
Euclid Collaboration, N. Starkman, J. Nibauer +295
Wide-field surveys like Euclid mark a new era of extragalactic stellar stream studies. With a large number of streams, it is now possible to constrain the dark matter halos of gala…