586 citations · 2.7k across the 49 of their papers we have counts for
43 papers · 1 filter
Fundamental differences in the X-ray accretion properties of low and high-excitation radio galaxies
R. Kondapally, T. Holc, P. N. Best +7
We characterise the accretion rate properties of radio-detected AGN by combining deep radio and X-ray observations of the Boötes field. We used deep international LOFAR telescope o…
The DESI View of the Faint Radio Source Population in LoTSS DR2
M. I. Arnaudova, L. R. Holden, D. J. B. Smith +10
The faint radio-source population includes galaxies dominated by both star formation (SF) and active galactic nuclei (AGN), which are two key processes shaping galaxy evolution. To…
Evolution of AGN Across Cosmic Epochs with the SKAO
R. Kondapally, V. Singh, G. Mazzolari +10
Understanding the evolution of active galactic nuclei (AGN) and their host galaxies across cosmic epochs is one of the key science drivers of extragalactic astronomy. The detection…
The LOFAR Two-metre Sky Survey: VII. Third Data Release
T. W. Shimwell, M. J. Hardcastle, C. Tasse +99
We present the third data release of the LOFAR Two-metre Sky Survey (LoTSS-DR3). The survey images cover 88% of the northern sky and were created from 12,950 hrs of data (18.6 PB)…
The LOFAR Two-metre Sky Survey Deep Fields: new probabilistic spectroscopic classifications and the accretion rates of radio galaxies
M. I. Arnaudova, D. J. B. Smith, M. J. Hardcastle +8
The faint radio-source population includes sources dominated both by star formation and active galactic nuclei (AGN), encoding the evolution of activity in the Universe. To investi…
Euclid Quick Data Release (Q1). First Euclid statistical study of the active galactic nuclei contribution fraction
Euclid Collaboration, B. Margalef-Bentabol, L. Wang +331
Active galactic nuclei (AGN) play a key role in galaxy evolution but are challenging to identify due to their varied observational signatures. Furthermore, understanding their impa…
Unveiling AGN Outflows: [O iii] Outflow Detection Rates and Correlation with Low-Frequency Radio Emission
Emmy L. Escott, Leah K. Morabito, Jan Scholtz +10
Some Active Galactic Nuclei (AGN) host outflows which have the potential to alter the host galaxy's evolution (AGN feedback). These outflows have been linked to enhanced radio emis…
WEAVE First Light Observations: Origin and Dynamics of the Shock Front in Stephan's Quintet
M. I. Arnaudova, S. Das, D. J. B. Smith +62
We present a detailed study of the large-scale shock front in Stephan's Quintet, a byproduct of past and ongoing interactions. Using integral-field spectroscopy from the new Willia…
Radio-AGN activity across the galaxy population: dependence on stellar mass, star-formation rate, and redshift
R. Kondapally, P. N. Best, K. J. Duncan +16
We characterise the co-evolution of radio-loud AGN and their galaxies by mapping the dependence of radio-loud AGN activity on stellar mass and star-formation rate (SFR) across cosm…
A hidden Active Galactic Nuclei population: the first radio luminosity functions constructed by physical process
Leah K. Morabito, R. Kondapally, P. N. Best +10
Both star formation (SF) and Active Galactic Nuclei (AGN) play an important role in galaxy evolution. Statistically quantifying their relative importance can be done using radio lu…
Mergers, Radio Jets, and Quenching Star-Formation in Massive Galaxies: Quantifying their Synchronized Cosmic Evolution & Assessing the Energetics
Timothy Heckman, Namrata Roy, Philip Best +1
The existence of a population of massive quiescent galaxies with little to no star-formation poses a challenge to our understanding of galaxy evolution. The physical process that q…
The JWST Emission Line Survey (JELS): An untargeted search for H emission line galaxies at and their physical properties
C. A. Pirie, P. N. Best, K. J. Duncan +19
We present the first results of the JWST Emission Line Survey (JELS). Utilising the first NIRCam narrow-band imaging at 4.7m, over 63 arcmin in the PRIMER/COSMOS field, we…
The JWST Emission Line Survey (JELS): Extending rest-optical narrow-band emission line selection into the Epoch of Reionization
K. J. Duncan, D. J. McLeod, P. N. Best +20
We present the JWST Emission Line Survey (JELS), a JWST imaging programme exploiting the wavelength coverage and sensitivity of NIRCam to extend narrow-band rest-optical emission l…
The LOFAR Two Metre Sky Survey Data Release 2: Probabilistic Spectral Source Classifications and Faint Radio Source Demographics
A. B. Drake, D. J. B. Smith, M. J. Hardcastle +8
We present an analysis of 152,355 radio sources identified in the second data release of the LOFAR Two Metre Sky Survey (LoTSS-DR2) with Sloan Digital Sky Survey (SDSS) spectroscop…
The LOFAR Two-metre Sky Survey: The nature of the faint source population and SFR-radio luminosity relation using Prospector
Soumyadeep Das, Daniel J. B. Smith, Paul Haskell +12
Spectral energy distribution (SED) fitting has been extensively used to determine the nature of the faint radio source population. Recent efforts have combined fits from multiple S…
Ubiquitous radio emission in quasars: predominant AGN origin and a connection to jets, dust and winds
G. Calistro-Rivera, D. M. Alexander, C. M. Harrison +16
We present a comprehensive study of the physical origin of radio emission in optical quasars at redshifts z < 2.5. We focus particularly on the associations between compact radio e…
Cosmic evolution of FRI and FRII sources out to z=2.5
J. M. G. H. J. de Jong, H. J. A. Röttgering, R. Kondapally +8
Radio-loud active galactic nuclei (RLAGN) play an important role in the evolution of galaxies through the effects on their environment. The two major morphological classes are core…
The LOFAR Two-Metre Sky Survey (LoTSS): VI. Optical identifications for the second data release
M. J. Hardcastle, M. A. Horton, W. L. Williams +49
The second data release of the LOFAR Two-Metre Sky Survey (LoTSS) covers 27% of the northern sky, with a total area of deg. The high angular resolution of LOFAR wi…
Cosmic evolution of radio-AGN feedback: confronting models with data
R. Kondapally, P. N. Best, M. Raouf +11
Radio-mode feedback is a key ingredient in galaxy formation and evolution models, required to reproduce the observed properties of massive galaxies in the local Universe. We study…
A multi-band AGN-SFG classifier for extragalactic radio surveys using machine learning
J. Karsten, L. Wang, B. Margalef-Bentabol +7
Extragalactic radio continuum surveys play an increasingly more important role in galaxy evolution and cosmology studies. While radio galaxies and radio quasars dominate at the bri…
The LOFAR Two-metre Sky Survey: the radio view of the cosmic star formation history
R. K. Cochrane, R. Kondapally, P. N. Best +9
We present a detailed study of the cosmic star formation history over per cent of cosmic time (), using deep, radio continuum observations that probe sta…
The LOFAR Two-metre Sky Survey Deep Fields Data Release 1: V. Survey description, source classifications and host galaxy properties
P. N. Best, R. Kondapally, W. L. Williams +26
Source classifications, stellar masses and star formation rates are presented for 80,000 radio sources from the first data release of the Low Frequency Array Two-metre Sky Survey (…
Radio spectral properties of star-forming galaxies between 150-5000MHz in the ELAIS-N1 field
Fangxia An, M. Vaccari, P. N. Best +9
By combining high-sensitivity LOFAR 150MHz, uGMRT 400MHz and 1,250MHz, GMRT 610MHz, and VLA 5GHz data in the ELAIS-N1 field, we study the radio spectral properties of radio-detecte…
Identifying active galactic nuclei via brightness temperature with sub-arcsecond International LOFAR Telescope observations
Leah K. Morabito, F. Sweijen, J. F. Radcliffe +11
Identifying active galactic nuclei (AGN) and isolating their contribution to a galaxy's energy budget is crucial for studying the co-evolution of AGN and their host galaxies. Brigh…