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The XMM Cluster Sur...
The XMM Cluster Survey : an independent demonstration of the fidelity of the eFEDS galaxy cluster data products and implications for future studies
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- Turner, D. J. (författare)
- Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England.
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- Giles, P. A. (författare)
- Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England.
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- Romer, A. K. (författare)
- Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England.
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- Wilkinson, R. (författare)
- Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England.
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- Upsdell, E. W. (författare)
- Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England.
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- Klein, M. (författare)
- Ludwig Maximilians Univ Munchen, Fac Phys, Scheinerstr 1, D-81679 Munich, Germany.
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- Viana, P. T. P. (författare)
- Univ Porto, Inst Astrofis & Ciencias Espao, CAUP, Rua Estrelas, P-4150762 Porto, Portugal.;Univ Porto, Dept Fis & Astron, Fac Ciencias, Rua Campo Alegre,687, P-4169007 Porto, Portugal.
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- Hilton, M. (författare)
- Univ KwaZulu Natal, Astrophys Res Ctr, Westville Campus, ZA-4041 Durban, South Africa.;Univ KwaZulu Natal, Sch Math Stat & Comp Sci, Westville Campus, ZA-4041 Durban, South Africa.
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- Bhargava, S. (författare)
- CEA Paris Saclay, Dept Astrophys, F-91190 Gif Sur Yvette, France.
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- Collins, C. A. (författare)
- Liverpool John Moores Univ, Astrophys Res Inst, Liverpool Sci Pk,146 Brownlow Hill, Liverpool L3 5RF, Merseyside, England.
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- Mann, R. G. (författare)
- Univ Edinburgh, Inst Astron, Royal Observ, Blackford Hill, Edinburgh EH9 3HJ, Midlothian, Scotland.
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- Sahlén, Martin, Associate Professor (docent), 1979- (författare)
- Uppsala universitet,Teoretisk astrofysik
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- Stott, J. P. (författare)
- Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England.
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Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England Ludwig Maximilians Univ Munchen, Fac Phys, Scheinerstr 1, D-81679 Munich, Germany. (creator_code:org_t)
- 2022-09-03
- 2022
- Engelska.
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Ingår i: Monthly notices of the Royal Astronomical Society. - : Oxford University Press. - 0035-8711 .- 1365-2966. ; 517:1, s. 657-674
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://doi.org/10.1...
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Abstract
Ämnesord
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- We present the first comparison between properties of clusters of galaxies detected by the eROSITA Final Equatorial-Depth Survey (eFEDS) and the XMM Cluster Survey (XCS). We have compared, in an ensemble fashion, properties from the eFEDS X-ray cluster catalogue with those from the Ultimate XMM eXtragaLactic (XXL) survey project (XXL-100-GC). We find the redshift and temperature (T-X) distributions to be similar, with a larger proportion of clusters above 4 keV in the XXL-100-GC sample; fractional temperature uncertainties are significantly larger in eFEDS compared to XXL. We find 62 eFEDS cluster candidates with XMM data (eFEDS-XMM sample); 10 do not have good enough XMM data to confirm or deny, 11 are classed as sample contaminants, and 4 have their X-ray flux contaminated by another source. The majority of eFEDS-XMM sources have longer XMM exposures than eFEDS, and most eFEDS positions are within 100 kpc of XCS positions. Our eFEDS-XCS sample of 37 clusters is used to calculate minimum sample contamination fractions of similar to 18 and similar to 9 per cent in the eFEDS X-ray and optically confirmed samples, respectively, in general agreement with eFEDS findings. We directly compare 29 X-ray luminosities (L-X) measured by eFEDS and XCS, finding excellent agreement. Eight clusters have a T-X measured by XCS and eFEDS, and we find that XMM temperatures are 25 +/- 9 per cent larger than their eROSITA counterparts. Finally, we construct L-X-T-X scaling relations based on eFEDS and XCS measurements, which are in tension; the tension is decreased when we measure a third scaling relation with calibrated XCS temperatures.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- instrumentation: miscellaneous
- techniques: spectroscopic
- galaxies: clusters: intracluster medium
- X-rays: galaxies: clusters
Publikations- och innehållstyp
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- Av författaren/redakt...
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Turner, D. J.
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Giles, P. A.
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Romer, A. K.
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Wilkinson, R.
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Upsdell, E. W.
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Klein, M.
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visa fler...
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Viana, P. T. P.
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Hilton, M.
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Bhargava, S.
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Collins, C. A.
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Mann, R. G.
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Sahlén, Martin, ...
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Stott, J. P.
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