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相关论文: The MWA GLEAM 4-Jy (G4Jy) Sample

200 篇论文

A recent 2023 paper by Massaro et al. introduced the G4Jy-3CRE, a new catalog of the brightest radio sources in the southern hemisphere that serve as a southern equivalent to the Third Cambridge Catalog Revised (3CR). The G4Jy-3CRE catalog…

We present the evolutionary properties and luminosity functions of the radio sources belonging to the Chandra Deep Field South VLA survey, which reaches a flux density limit at 1.4 GHz of 43 microJy at the field center and redshift ~5, and…

宇宙学与河外天体物理 · 物理学 2015-05-28 P. Padovani , N. Miller , K. I. Kellermann , V. Mainieri , P. Rosati , P. Tozzi

The sub-mJy radio population is a mixture of active systems, that is star forming galaxies (SFGs) and active galactic nuclei (AGNs). We study a sample of 883 radio sources detected at 1.4 GHz in a deep Very Large Array survey of the…

宇宙学与河外天体物理 · 物理学 2015-06-17 M. Bonzini , P. Padovani , V. Mainieri , K. I. Kellermann , N. Miller , P. Rosati , P. Tozzi , S. Vattakunnel

The low-frequency polarisation properties of radio sources are poorly studied, particularly in statistical samples. However, the new generation of low-frequency telescopes, such as the Murchison Widefield Array (MWA; the precursor for the…

Since the early sixties, our view of radio galaxies and quasars has been drastically shaped by discoveries made thanks to observations of radio sources listed in the Third Cambridge catalog and its revised version (3CR). However, the…

We use deep multi-colour (UBVRIJK) images mostly taken in the framework of the ESO Deep Public Survey (DPS) to optically identify and derive photometric redshifts for a complete sample of 131 radio sources with S>0.4 mJy, observed at both…

天体物理学 · 物理学 2008-06-11 I. Prandoni , P. Parma , A. Mignano , H. R. de Ruiter , L. Gregorini , G. Vettolani , M. H. Wieringa , R. D. Ekers

We investigate the correlation between the integrated low-frequency and infrared (IR) emissions of star-forming galaxies extracted from the {\sl Herschel} Reference Survey. By taking advantage of the GaLactic Extragalactic All-sky MWA…

We present a study of a 20cm selected sample in the Deep SWIRE VLA Field, reaching a limiting flux density of ~13.5 uJy at the image center. In a 0.6x0.6 square degrees field, we are able to assign an optical/IR counterpart to 97% of the…

宇宙学与河外天体物理 · 物理学 2015-05-18 Veronica Strazzullo , Maurilio Pannella , Frazer N. Owen , Ralf Bender , Glenn E. Morrison , Wei-Hao Wang , David L. Shupe

While unobscured and radio-quiet active galactic nuclei are regularly being found at redshifts $z > 6$, their obscured and radio-loud counterparts remain elusive. We build upon our successful pilot study, presenting a new sample of…

[Abridged] Physical and evolutionary properties of the sub-mJy radio population are not entirely known. The radio/optical analysis of the ATESP 5 GHz sample has revealed a significant class of compact flat/inverted radio-spectrum sources…

宇宙学与河外天体物理 · 物理学 2015-05-14 I. Prandoni , H. R. de Ruiter , R. Ricci , P. Parma , L. Gregorini , R. D. Ekers

We present the third data release for the Galactic and Extragalactic All-Sky Murchison Widefield Array eXtended (GLEAM-X) survey, covering = 3800 deg2 of the southern Galactic Plane (GP) with \ang{233} < l < \ang{44} and |b| < \ang{11}…

星系天体物理 · 物理学 2026-02-10 S. Mantovanini , N. Hurley-Walker , K. Ross , S. W. Duchesne , G. Anderson , T. J. Galvin

We present and evaluate several strategies to search for prompt, low-frequency radio emission associated with gravitational wave transients using the Murchison Widefield Array (MWA). As we are able to repoint the MWA on timescales of tens…

天体物理仪器与方法 · 物理学 2016-10-12 D. L. Kaplan , T. Murphy , A. Rowlinson , S. D. Croft , R. B. Wayth , C. M. Trott

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…

星系天体物理 · 物理学 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 search data from the GLEAM-X survey, obtained with the Murchison Widefield Array (MWA) in 2020, for the presence of radio frequency interference from distant Earth-orbiting satellites, in the form of unintended emissions similar to those…

天体物理仪器与方法 · 物理学 2025-12-09 S. J. Tingay , N. Hurley-Walker , K. Ross , T. J. Galvin , J. Morgan , B. Venville

Using the recent INTEGRAL/IBIS and Swift/BAT surveys we have extracted a sample of 64 confirmed plus 3 candidate radio galaxies selected in the soft gamma-ray band. The sample covers all optical classes and is dominated by objects showing a…

高能天体物理现象 · 物理学 2016-07-27 L. Bassani , T. Venturi , M. Molina , A. Malizia , D. Dallacasa , F. Panessa , A. Bazzano , P. Ubertini

We present the first results of our HST WFPC2 F814W snapshot imaging survey, targeting virtually all sub-mJy decimetric radio-selected star-forming galaxies. The radio selection at ~1 GHz is free from extinction effects and the radio…

天体物理学 · 物理学 2009-10-31 Stephen Serjeant , Bahram Mobasher , Carlotta Gruppioni , Seb Oliver

Low-frequency radio surveys allow in-depth studies and new analyses of classes of sources previously known and characterised only in other bands. In recent years, low radio frequency observations of blazars have been available thanks to new…

星系天体物理 · 物理学 2020-01-08 Daniele d'Antonio , Marcello Giroletti , Gabriele Giovannini , Alessandro Maini

We present the South Galactic Pole (SGP) data release from the GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey. These data combine both years of GLEAM observations at 72-231 MHz conducted with the Murchison…

星系天体物理 · 物理学 2021-08-20 T. Franzen , N. Hurley-Walker , S. White , P. Hancock , N. Seymour , A. Kapińska , L. Staveley-Smith , R. Wayth

We analyse the 267 radio sources from our deep (flux limit of 42 microJy at the field center at 1.4 GHz) Chandra Deep Field South 1.4 and 5 GHz VLA survey. The radio population is studied by using a wealth of multi-wavelength information,…

天体物理学 · 物理学 2007-05-23 P. Padovani , V. Mainieri , P. Tozzi , K. I. Kellermann , E. B. Fomalont , N. Miller , P. Rosati , P. Shaver

We present deep radio maps from the Very Large Array (VLA) for 16 sources detected in a sub-millimeter (submm) survey of the distant Universe. Our deep VLA 1.4-GHz maps allow us to identify radio counterparts or place stringent limits…

天体物理学 · 物理学 2009-10-31 Ian Smail , R. J. Ivison , F. N. Owen , A. W. Blain , J. -P. Kneib