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Data Associated with the Article: The Quasar Feedback Survey: Revealing the importance of sensitive radio imaging deeper into the radio quiet regime

Posted on 2025-10-28 - 14:48 authored by Christopher Harrison
<p dir="ltr">This data collection release is associated with the publication "The Quasar Feedback Survey: Revealing the importance of sensitive radio imaging deeper into the radio quiet regime", published in Njeri et al. (2025), MNRAS, under review.</p><p dir="ltr">This work presents 1.4GHz and 6 GHz radio imaging, obtained from the Very Large Array for the 29 quasars from the extended sample, to lower luminosities (QFeedS-2), of the Quasar Feedback Survey (first presented in Jarvis et al. 2021, MNRAS, 503, 1780 <a href="https://doi.org/10.1093/mnras/stab549" target="_blank"><u>https://doi.org/10.1093/mnras/stab549</u></a> ). These targets are z~0.1 quasar host galaxies, selected to be luminous in [O III] emission (L[O III] > 10<sup>42.1</sup><sup> </sup>erg/s). For full details of the survey description and sample selection see Njeri et al. (2025).</p><p dir="ltr">Observations were conducted with the VLA in A-array configuration, for each of the 29 sources. The raw VLA data were obtained under proposal ID 23A-214. However, although 29 sources are in the survey, 3 sources were not observed in the L-band (J0213+0042, J0232−0811 and J2304−0841). Therefore, there are 26 L-band images in this data release. </p><p dir="ltr">This data collection contains:</p><ol><li>The L-band (1.4GHz) images</li><li>The C-band (6GHz) images</li><li>A set of figures showing these images on top of rgb optical images</li><li>Spectral index maps produced from the C-band data</li></ol><p><br></p><p dir="ltr">All normal metadata, associated with astronomical images (observation details, source details, process of imaging), are included in headers with the files.</p>

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FUNDING

Resolving How Black Holes Influence Galaxy Evolution

UK Research and Innovation

Astronomy at Durham 2020-2023

Science and Technology Facilities Council

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