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Related papers: The 1.28 GHz MeerKAT DEEP2 Image

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In this paper we present 127 new host-galaxy identifications for G4Jy sources (S_151MHz > 4 Jy), based on radio images from MeerKAT, the Very Large Array Sky Survey (VLASS), and the Rapid ASKAP (Australian Square Kilometre Array Pathfinder)…

The entire southern sky (Declination, $\delta <$ 30 deg) has been observed using the Murchison Widefield Array (MWA), which provides radio imaging of $\sim$2-arcmin resolution at low frequencies (72-231 MHz). This is the GaLactic and…

We present the first galaxy counts at 18 microns using the Japanese AKARI satellite's survey at the North Ecliptic Pole (NEP), produced from the images from the NEP-Deep and NEP-Wide surveys covering 0.6 and 5.8 square degrees respectively.…

Astrophysics of Galaxies · Physics 2015-06-22 Chris Pearson , S. Serjeant , S. Oyabu , H. Matsuhara , T. Wada , T. Goto , T. Takagi , H. M. Lee , M. Im , Y. Ohyama , S. J. Kim , K. Murata

As more Fast Radio Bursts (FRBs) are being localised, we are learning that some fraction have persistent radio sources (PRSs). Such a discovery motivates an improvement in our understanding of the nature of those counterparts, the relation…

High Energy Astrophysical Phenomena · Physics 2023-08-09 L. Rhodes , M. Caleb , B. W. Stappers , A. Andersson , M. C. Bezuidenhout , L. N. Driessen , I. Heywood

In this paper we present new observations of the gravitational lens system JVAS B0218+357 made with a global VLBI network at a frequency of 8.4 GHz. Our maps have an rms noise of 30 microJy/beam and with these we have been able to image…

We have used the Giant Metrewave Radio Telescope (GMRT) to carry out deep 610 MHz continuum imaging of four sub-fields of the DEEP2 Galaxy Redshift Survey. We stacked the radio emission in the GMRT images from a near-complete (absolute blue…

Astrophysics of Galaxies · Physics 2018-10-10 Apurba Bera , Nissim Kanekar , Benjamin J. Weiner , Shiv Sethi , K. S. Dwarakanath

We report on the results of an image-based search for pulsar candidates toward the Galactic bulge. We used mosaic images from the MeerKAT radio telescope, that were taken as part of a 173 deg**2 survey of the bulge and Galactic center of…

We report on full-Stokes L-band observations of 98 MeerKAT calibration sources. Linear polarization is detected in 71 objects above a fractional level of 0.2\%. We identify ten sources with strong fractional linear polarization and low…

Astrophysics of Galaxies · Physics 2024-05-24 A. R. Taylor , L. S. Legodi

Observations of the Spitzer extragalactic First Look Survey field taken at 610 MHz with the Giant Metrewave Radio Telescope are presented. Seven individual pointings were observed, covering an area of 4 square degrees with a resolution of…

Astrophysics · Physics 2008-11-26 Timothy Garn , David A. Green , Sally E. G. Hales , Julia M. Riley , Paul Alexander

In this paper we present results from a radio-optical study of the galaxy populations of the galaxy clusters Abell 1300 and MACS J1931.8$-$2634, a merger and a relaxed system respectively both located at $z \sim 0.3$, aimed at finding…

We present optical morphologies obtained from deep HST and ground-based images for galaxies selected from the first sub-millimeter survey of the distant Universe. Our sample comprises galaxies detected in deep 850-micron continuum maps of…

Astrophysics · Physics 2015-06-24 Ian Smail , R. J. Ivison , A. W. Blain , J. -P. Kneib

The Australia Telescope Low-brightness survey (ATLBS; \cite{SESS10}) regions have been mosaic imaged at a radio frequency of 1.4 GHz with $6\arcsec$ angular resolution and 72 $\mu$Jy beam$^{-1}$ rms noise. The images (centered at RA:…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 K. Thorat , R. Subrahmanyan , L. Saripalli , R. D. Ekers

The Hubble Ultra Deep Field source JD2 presented in Mobasher et al. (2005) is an unusual galaxy that is very faint at all wavelengths shortward of 1.1 micron. Photometric redshift fits to data at 0.4 to 8 microns yield a significant…

We present polarization measurements of extragalactic radio sources observed during the Cosmic Microwave Background polarization survey of the Q/U Imaging Experiment (QUIET), operating at 43 GHz (Q-band) and 95 GHz (W-band). We examine…

The GaLactic and Extragalactic All-sky MWA survey (GLEAM) is a radio continuum survey at 72-231 MHz of the whole sky south of declination +30 deg, carried out with the Murchison Widefield Array (MWA). In this paper, we derive source counts…

Astrophysics of Galaxies · Physics 2019-02-20 T. M. O. Franzen , T. Vernstrom , C. A. Jackson , N. Hurley-Walker , R. D. Ekers , G. Heald , N. Seymour , S. V. White

We present the results of SCUBA2 observations at 450 micron and 850 micron of the field lensed by the massive cluster A370. With a total survey area > 100 arcmin2 and 1 sigma sensitivities of 3.92 and 0.82 mJy/beam at 450 and 850 micron…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Chian-Chou Chen , Lennox L. Cowie , Amy J. Barger , Caitlin M. Casey , Nicholas Lee , David B. Sanders , Wei-Hao Wang , Jonathan P. Williams

Radio halos are diffuse synchrotron sources that trace the turbulent intracluster medium (ICM) of galaxy clusters. However, their origin remains unknown. Two main formation models have been proposed: the hadronic model, in which…

Detecting diffuse radio emission, such as from halos, in galaxy clusters is crucial for understanding large-scale structure formation in the universe. Traditional methods, which rely on X-ray and Sunyaev-Zeldovich (SZ) cluster…

Astrophysics of Galaxies · Physics 2025-06-04 Ashutosh K. Mishra , Emma Tolley , Shreyam Parth Krishna , Jean-Paul Kneib

This is the second of two papers describing the second data release (DR2) of the Australia Telescope Large Area Survey (ATLAS) at 1.4 GHz. In Paper I we detailed our data reduction and analysis procedures, and presented catalogues of…

Astrophysics of Galaxies · Physics 2015-06-19 C. A. Hales , R. P. Norris , B. M. Gaensler , E. Middelberg

Images of the Hubble Deep Field at 3.2 um, taken with the 10-m Keck Telescope, are presented. The images cover a total area of ~2.5 arcmin^2. To a 5-sigma limit of [3.2](total)=17.5 mag (Vega-relative), 11 sources are detected, 9 of which…

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