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Primeval very low-mass stars and brown dwarfs -- VIII. The first age benchmark L subdwarf, a wide companion to a halo white dwarf
(2024-09-01)
We report the discovery of five white dwarf + ultracool dwarf systems identified as common proper motion wide binaries in the Gaia Catalogue of Nearby Stars. The discoveries include a white dwarf + L subdwarf binary, VVV ...
The Radio Galaxy Environment Reference Survey (RAGERS) : a submillimetre study of the environments of massive radio-quiet galaxies at z = 1–3
(2024-08-09)
Measuring the environments of massive galaxies at high redshift is crucial to understanding galaxy evolution and the conditions that gave rise to the distribution of matter we see in the Universe today. While high-$z$ radio ...
Emergence of high-mass stars in complex fiber networks (EMERGE) : I. Early ALMA Survey: Observations and massive data reduction
(2024-07-05)
(Abridged) Recent molecular surveys have revealed a rich gas organization of sonic-like fibers in all kind of environments prior to the formation of low- and high-mass stars. This paper introduces the EMERGE project aiming ...
The properties of AGN in dwarf galaxies identified via SED fitting
(2024-07-01)
Given their dominance of the galaxy number density, dwarf galaxies are central to our understanding of galaxy formation. While the incidence of active galactic nuclei (AGN) and their impact on galaxy evolution have been ...
The LOFAR – eFEDS survey: The incidence of radio and X-ray AGN and the disk–jet connection
(2024-06-30)
Context. Radio jets are present in a diverse sample of AGN. However, the mechanisms of jet powering are not fully understood, and it remains unclear to what extent they obey mass-invariant scaling relations similar to those ...
The VISTA Variables in the Vía Láctea eXtended (VVVX) ESO public survey: Completion of the observations and legacy
(2024-06-24)
The ESO public survey VISTA Variables in the V\'ia L\'actea (VVV) surveyed the inner Galactic bulge and the adjacent southern Galactic disk from $2009-2015$. Upon its conclusion, the complementary VVV eXtended (VVVX) survey ...
Implications on star formation rate indicators from H II regions and diffuse ionized gas in the M101 Group
(2024-06-01)
We examine the connection between diffuse ionized gas (DIG), H II regions, and field O and B stars in the nearby spiral M101 and its dwarf companion NGC 5474 using ultra-deep H α narrow-band imaging and archival GALEX UV ...
The LOFAR Two-metre Sky Survey: The nature of the faint source population and SFR-radio luminosity relation using PROSPECTOR
(2024-06-01)
Spectral energy distribution (SED) fitting has been e xtensiv ely used to determine the nature of the faint radio source population. Recent efforts have combined fits from multiple SED-fitting codes to account for the host ...
Star formation exists in all early-type galaxies -- evidence from ubiquitous structure in UV images
(2024-05-20)
Recent surveys have demonstrated the widespread presence of UV emission in early-type (elliptical/S0) galaxies, suggesting the presence of star formation in many of these systems. However, potential UV contributions from ...
The Molecular Clouds of M31
(2024-05-08)
Deep interferometric observations of CO and dust continuum emission are obtained with the Submillimeter Array at 230 GHz to investigate the physical nature of the giant molecular cloud (GMC) population in the Andromeda ...