The Weird and the Wonderful in Our Solar System: Searching for Serendipity in the Legacy Survey of Space and Time

The Astronomical Journal American Astronomical Society 167:3 (2024) 118

Authors:

Brian Rogers, Chris J Lintott, Steve Croft, Megan E Schwamb, James RA Davenport

A new method for short-duration transient detection in radio images: searching for transient sources in MeerKAT data of NGC 5068

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 528:4 (2024) 6985-6996

Authors:

S Fijma, A Rowlinson, RAMJ Wijers, I de Ruiter, WJG de Blok, S Chastain, AJ van der Horst, ZS Meyers, K van der Meulen, R Fender, PA Woudt, A Andersson, A Zijlstra, J Healy, FM Maccagni

GW190425: Pan-STARRS and ATLAS coverage of the skymap and limits on optical emission associated with FRB 20190425A

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 528:2 (2024) 2299-2307

Authors:

SJ Smartt, M Nicholl, S Srivastav, ME Huber, KC Chambers, KW Smith, DR Young, MD Fulton, JL Tonry, CW Stubbs, L Denneau, AJ Cooper, A Aamer, JP Anderson, A Andersson, J Bulger, T-W Chen, P Clark, T de Boer, H Gao, JH Gillanders, A Lawrence, CC Lin, TB Lowe, EA Magnier, P Minguez, T Moore, A Rest, L Shingles, R Siverd, IA Smith, B Stalder, HF Stevance, R Wainscoat, R Williams

MIGHTEE polarization early science fields: the deep polarized sky

Monthly Notices of the Royal Astronomical Society Oxford University Press 528:2 (2024) 2511-2522

Authors:

Andrew R Taylor, Srikrishna Sekhar, Lennart Heino, Anna MM Scaife, Jeroen Stil, Micah Bowles, Matt Jarvis, Ian Heywood, Jordan D Collier

Abstract:

The MeerKAT International GigaHertz Tiered Extragalactic Exploration (MIGHTEE) is one of the MeerKAT large survey projects, designed to pathfind SKA key science. MIGHTEE is undertaking deep radio imaging of four well-observed fields (COSMOS, XMM-LSS, ELAIS S1, and CDFS) totaling 20 square degrees to μJy sensitivities. Broad-band imaging observations between 880 and1690 MHz yield total intensity continuum, spectro-polarimetry, and atomic hydrogen spectral imaging. Early science data from MIGHTEE are being released from initial observations of COSMOS and XMM–LSS. This paper describes the spectro-polarimetric observations, the polarization data processing of the MIGHTEE early science fields, and presents polarization data images and catalogues. The catalogues include radio spectral index, redshift information, and Faraday rotation measure synthesis results for 13 267 total intensity radio sources down to a polarized intensity detection limit of ∼20 μJy bm−1. Polarized signals were detected from 324 sources. For the polarized detections, we include a catalogue of Faraday Depth from both Faraday Synthesis and Q, U fitting, as well as total intensity and polarization spectral indices. The distribution of redshift of the total radio sources and detected polarized sources are the same, with median redshifts of 0.86 and 0.82, respectively. Depolarization of the emission at longer-wavelengths is seen to increase with decreasing total-intensity spectral index, implying that depolarization is intrinsic to the radio sources. No evidence is seen for a redshift dependence of the variance of Faraday depth.

The weird and the wonderful in our Solar System: Searching for serendipity in the Legacy Survey of Space and Time

(2024)

Authors:

Brian Rogers, Chris J Lintott, Steve Croft, Megan E Schwamb, James RA Davenport