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  SDSS-IV/SPIDERS: A catalogue of X-ray selected AGN properties - Spectral properties and black hole mass estimates for SPIDERS SDSS DR14 type 1 AGN

Coffey, D., Salvato, M., Merloni, A., Boller, T., Nandra, K., Dwelly, T., et al. (2019). SDSS-IV/SPIDERS: A catalogue of X-ray selected AGN properties - Spectral properties and black hole mass estimates for SPIDERS SDSS DR14 type 1 AGN. Astronomy and Astrophysics, 625: A123. doi:10.1051/0004-6361/201833996.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-C270-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-C271-2
Genre: Journal Article

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 Creators:
Coffey, D.1, Author              
Salvato, M.1, Author              
Merloni, A.1, Author              
Boller, Th.1, Author              
Nandra, K.1, Author              
Dwelly, T.1, Author              
Comparat, J.1, Author              
Schulze, A., Author
Del Moro, A.1, Author              
Schneider, D. P., Author
Affiliations:
1High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society, ou_159890              

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 Abstract: This work presents the catalogue of optical spectral properties for all X-ray selected SPIDERS active galactic nuclei (AGN) up to SDSS DR14. SPIDERS (SPectroscopic IDentification of eROSITA Sources) is an SDSS-IV programme that is currently conducting optical spectroscopy of the counterparts to the X-ray selected sources detected in the ROSAT all-sky survey and the XMM-Newton slew survey in the footprint of the Extended Baryon Oscillation Spectroscopic Survey (eBOSS). The SPIDERS DR14 sample is the largest sample of X-ray selected AGN with optical spectroscopic follow-up to date. The catalogue presented here is based on a clean sample of 7344 2RXS (z¯ = 0.5) and 1157 XMM-Newton slew survey (z¯ = 0.4) type 1 AGN with spectroscopic coverage of the Hβ and/or MgII emission lines. Visual inspection results for each object in this sample are available from a combination of literature sources and the SPIDERS group, which provide both reliable redshifts and source classifications. The spectral regions around the Hβ and MgII emission lines have been fit in order to measure both line and continuum properties, estimate bolometric luminosities, and provide black hole mass estimates using the single-epoch (or photoionisation) method. The use of both Hβ and MgII allows black hole masses to be estimated up to z ≃ 2.5. A comparison is made between the spectral properties and black hole mass estimates derived from Hβ and MgII using the subsample of objects which have coverage of both lines in their spectrum. These results have been made publicly available as an SDSS-IV DR14 value added catalogue.

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 Dates: 2019-05-23
 Publication Status: Published online
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 Identifiers: DOI: 10.1051/0004-6361/201833996
Other: LOCALID: 3067254
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Title: Astronomy and Astrophysics
  Other : Astron. Astrophys.
Source Genre: Journal
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Publ. Info: France : EDP Sciences S A
Pages: - Volume / Issue: 625 Sequence Number: A123 Start / End Page: - Identifier: ISSN: 1432-0746
CoNE: https://pure.mpg.de/cone/journals/resource/954922828219_1