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5 papers · 2 filters
Identifying galaxies, quasars, and stars with machine learning: A new catalogue of classifications for 111 million SDSS sources without spectra
A. O. Clarke, A. M. M. Scaife, R. Greenhalgh +1
We used 3.1 million spectroscopically labelled sources from the Sloan Digital Sky Survey (SDSS) to train an optimised random forest classifier using photometry from the SDSS and th…
Signatures from a merging galaxy cluster and its AGN population: LOFAR observations of Abell 1682
A. O. Clarke, A. M. M. Scaife, T. Shimwell +13
We present LOFAR data from 110--180~MHz of the merging galaxy cluster Abell 1682, alongside archival optical, radio and X-ray data. Our 6 arc-second resolution images at low freque…
A radio ridge connecting two galaxy clusters in a filament of the cosmic web
F. Govoni, E. Orrù, A. Bonafede +26
Galaxy clusters are the most massive gravitationally bound structures in the Universe. They grow by accreting smaller structures in a merging process that produces shocks and turbu…
The JCMT BISTRO Survey: The Magnetic Field of the Barnard 1 Star-Forming Region
Simon Coudé, Pierre Bastien, Martin Houde +118
We present the POL-2 850 m linear polarization map of the Barnard 1 clump in the Perseus molecular cloud complex from the B-fields In STar-forming Region Observations (BISTRO) s…
The JCMT BISTRO Survey: The Magnetic Field In The Starless Core Ophiuchus C
Junhao Liu, Keping Qiu, David Berry +128
We report 850~m dust polarization observations of a low-mass (12 ) starless core in the Ophiuchus cloud, Ophiuchus C, made with the POL-2 instrument on the…