The next-generation X-ray galaxy survey with eROSITA
| dc.contributor.author | Basu-Zych, Antara R | |
| dc.contributor.author | Hornschemeier, Ann E | |
| dc.contributor.author | Haberl, Frank | |
| dc.contributor.author | Vulic, Neven | |
| dc.contributor.author | Wilms, Jörn | |
| dc.contributor.author | Zezas, Andreas | |
| dc.contributor.author | Kovlakas, Konstantinos | |
| dc.contributor.author | Ptak, Andrew | |
| dc.contributor.author | Dauser, Thomas | |
| dc.date.accessioned | 2021-01-25T19:23:01Z | |
| dc.date.available | 2021-01-25T19:23:01Z | |
| dc.date.issued | 2020-08-11 | |
| dc.description.abstract | eROSITA, launched on 2019 July 13, will be completing the first all-sky survey in the soft and medium X-ray band in nearly three decades. This 4-yr survey, finishing in late 2023, will present a rich legacy for the entire astrophysics community and complement upcoming multiwavelength surveys (with, e.g. the Large Synoptic Survey Telescope and the Dark Energy Survey). Besides the major scientific aim to study active galactic nuclei (AGNs) and galaxy clusters, eROSITAwill contribute significantly to X-ray studies of normal (i.e. not AGN) galaxies. Starting from multiwavelength catalogues, we measure star formation rates and stellar masses for 60 212 galaxies constrained to distances of 50–200 Mpc. We chose this distance range to focus on the relatively unexplored volume outside the local Universe, where galaxies will be largely spatially unresolved and probe a range of X-ray luminosities that overlap with the low luminosity and/or highly obscured AGN population. We use the most recent X-ray scaling relations as well as the on-orbit eROSITA instrument performance to predict the X-ray emission from XRBs and diffuse hot gas and to perform both an analytic prediction and an end-to-end simulation using the mission simulation software, SIXTE. We consider potential contributions from hidden AGN and comment on the impact of normal galaxies on the measurement of the faint end of the AGN luminosity function. We predict that the eROSITA 4-yr survey, will detect ≳15 000 galaxies (3σ significance) at 50–200 Mpc, which is ∼100 × more normal galaxies than detected in any X-ray survey to date | en_US |
| dc.description.sponsorship | We thank the referee for helpful suggestions that improved the clarity of this manuscript. We gratefully acknowledge Violet Replicon for her contributions to this work, Mackenzie Jones for sharing code and data on AGN fractions, Thomas Reiprich for providing useful suggestions that significantly improved the analysis, and Philipp Weber for useful discussions and provision of some of the SIMPUT catalogues provided here. We acknowledge funding support from NASA GSFC through its Internal Research And Development (IRAD) program. This work was partially funded by the Bundesministerium fur Wirtschaft und Technologie based on a ¨ resolution of the German Parliament through Deutsches Zentrum fur Luft- und Raumfahrt grant 50 QR 1603. We acknowledge use ¨ of public data from the Sloan Digital Sky Survey. Funding for SDSS-III has been provided by the Alfred P. Sloan Foundation, the Participating Institutions, the National Science Foundation, and the U.S. Department of Energy Office of Science. The SDSS-III website is http://www.sdss3.org/. This publication makes use of data products from the Wide-field Infrared Survey Explorer, which is a joint project of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, funded by the National Aeronautics and Space Administration. This publication makes use of data products from the Two Micron All Sky Survey, which is a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center/California Institute of Technology, funded by the National Aeronautics and Space Administration and the National Science Foundation. This research has made use of the NASA/IPAC Extragalactic Database (NED) which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration. | en_US |
| dc.description.uri | https://academic.oup.com/mnras/article-abstract/498/2/1651/5891250?redirectedFrom=fulltext | en_US |
| dc.format.extent | 17 pages | en_US |
| dc.genre | journal articles | en_US |
| dc.identifier | doi:10.13016/m2cywg-j7ay | |
| dc.identifier.citation | Antara R Basu-Zych et al., The next-generation X-ray galaxy survey with eROSITA, Monthly Notices of the Royal Astronomical Society, Volume 498, Issue 2, October 2020, Pages 1651–1667, https://doi.org/10.1093/mnras/staa2343 | en_US |
| dc.identifier.uri | https://doi.org/10.1093/mnras/staa2343 | |
| dc.identifier.uri | http://hdl.handle.net/11603/20607 | |
| dc.language.iso | en_US | en_US |
| dc.publisher | Oxford Academic | en_US |
| dc.relation.isAvailableAt | The University of Maryland, Baltimore County (UMBC) | |
| dc.relation.ispartof | UMBC Center for Space Sciences and Technology | |
| dc.relation.ispartof | UMBC Physics Department | |
| dc.relation.ispartof | UMBC Faculty Collection | |
| dc.rights | This item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author. | |
| dc.rights | This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2020 The Author Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. | |
| dc.title | The next-generation X-ray galaxy survey with eROSITA | en_US |
| dc.type | Text | en_US |