The NuSTAR Local AGN $N_{\rm H}$ Distribution Survey (NuLANDS) I: Towards a Truly Representative Column Density Distribution in the Local Universe

Peter G. Boorman, Poshak Gandhi, Johannes Buchner, Daniel Stern, Claudio Ricci, Mislav Baloković, Daniel Asmus, Fiona A. Harrison, Jiří Svoboda, Claire Greenwell, Michael Koss, David M. Alexander, Adlyka Annuar, Franz Bauer, William N. Brandt, Murray Brightman, Francesca Panessa, Chien-Ting J. Chen, Duncan Farrah, Karl ForsterBrian Grefenstette, Sebastian F. Hönig, Adam B. Hill, Elias Kammoun, George Lansbury, Lauranne Lanz, Stephanie LaMassa, Kristin Madsen, Stefano Marchesi, Matthew Middleton, Beatriz Mingo, Michael L. Parker, Ezequiel Treister, Yoshihiro Ueda, C. Megan Urry, Luca Zappacosta

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Abstract

Hard X-ray-selected samples of Active Galactic Nuclei (AGN) provide one of the cleanest views of supermassive black hole accretion, but are biased against objects obscured by Compton-thick gas column densities of $N_{\rm H}$ $>$ 10$^{24}$ cm$^{-2}$. To tackle this issue, we present the NuSTAR Local AGN $N_{\rm H}$ Distribution Survey (NuLANDS)$-$a legacy sample of 122 nearby ($z$ $
Original languageEnglish
JournalThe Astrophysical Journal
Publication statusAccepted/In press - 9 Oct 2024

Keywords

  • galaxies: active
  • Galaxies: X-rays: general
  • surveys
  • galaxies: Seyfert

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