Search Results - "Wagenveld, J. D"
-
1
Mapping H i 21-cm in the Klemola 31 group at z = 0.029: emission and absorption towards PKS 2020−370
Published in Monthly notices of the Royal Astronomical Society (10-09-2022)“…ABSTRACT We present MeerKAT Absorption Line Survey (MALS) observations of the H i gas in the Klemola 31 galaxy group (z = 0.029), located along the line of…”
Get full text
Journal Article -
2
The cosmic radio dipole: Bayesian estimators on new and old radio surveys
Published 24-05-2023“…A&A 675, A72 (2023) The cosmic radio dipole is an anisotropy in the number counts of radio sources, analogous to the dipole seen in the cosmic microwave…”
Get full text
Journal Article -
3
Revealing new high redshift quasar populations through Gaussian mixture model selection
Published 27-01-2022“…A&A 660, A22 (2022) We present a novel method to identify candidate high redshift quasars (HzQs; ($z\gtrsim5.5$), which are unique probes of supermassive black…”
Get full text
Journal Article -
4
Plausible association of distant late M dwarfs with low-frequency radio emission
Published 04-09-2023“…A&A 678, A161 (2023) We present the serendipitous discovery of 8 distant ($>$ 50 pc) late M dwarfs with plausible associated radio emission at 144 MHz. The M…”
Get full text
Journal Article -
5
The MeerKAT Absorption Line Survey: Homogeneous continuum catalogues towards a measurement of the cosmic radio dipole
Published 21-02-2023“…A&A 673, A113 (2023) The number counts of homogeneous samples of radio sources are a tried and true method of probing the large scale structure of the…”
Get full text
Journal Article -
6
Mapping HI 21-cm in the Klemola 31 group at z = 0.029: emission and absorption towards PKS2020-370
Published 26-07-2022“…We present MeerKAT Absorption Line Survey (MALS) observations of the HI gas in the Klemola31 galaxy group ($z=0.029$), located along the line of sight to the…”
Get full text
Journal Article -
7
The LOFAR Two Metre Sky Survey: Deep Fields Data Release 1 -- III. Host-galaxy identifications and value added catalogues
Published 16-11-2020“…A&A 648, A3 (2021) We present the source associations, cross-identifications, and multi-wavelength properties of the faint radio source population detected in…”
Get full text
Journal Article -
8
The MeerKAT Absorption Line Survey Data Release 2: Wideband continuum catalogues and a measurement of the cosmic radio dipole
Published 29-08-2024“…We present the second data release of the MeerKAT Absorption Line Survey (MALS), consisting of wideband continuum catalogues of 391 pointings observed at…”
Get full text
Journal Article -
9
Discovery of 24 radio-bright quasars at $4.9 \leq z \leq6.6$ using low-frequency radio observations
Published 04-10-2022“…High redshift quasars ($z>5$) that also shine brightly at radio wavelengths are unique signposts of supermassive black hole activity in the early universe…”
Get full text
Journal Article