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The XMM‐Newton Wide‐Field Survey in the COSMOS Field: Statistical Properties of Clusters of Galaxies
Open accessAbstract
We present the results of a search for galaxy clusters in the first 36 XMM-Newton pointings on the Cosmic Evolution Survey (COSMOS) field. We reach a depth for a total cluster flux in the 0.5-2 keV band of 3 × 10 -15 ergs cm -2 s -1 , having one of the widest XMM-Newton contiguous raster surveys, covering an area of 2.1 deg 2 . Cluster candidates are identified through a wavelet detection of extended X-ray emission. Verification of the cluster candidates is done based on a galaxy concentration analysis in redshift slices of thickness 0.1-0.2 in redshift, using the multiband photometric catalog of the COSMOS field and restricting the search to z < 1.3 and i AB < 25. We identify 72 clusters and derive their properties based on the X-ray cluster scaling relations. A statistical description of the survey in terms of the cumulative log( N > S )- log S distribution compares well with previous results, although yielding a somewhat higher number of clusters at similar fluxes. The X-ray luminosity function of COSMOS clusters matches well the results of nearby surveys, providing a comparably tight constraint on the faint-end slope of α = 1.93 ± 0.04. For the probed luminosity range of (8 × 10 42 )-(2 × 10 44 ) ergs s -1 , our survey is in agreement with and adds significantly to the existing data on the cluster luminosity function at high redshifts and implies no substantial evolution at these luminosities to z = 1.3.
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Metadata
- Authors
- Finoguenov, A., Guzzo, L., Hasinger, G., Scoville, N. Z., Aussel, H., Bohringer, H., Brusa, M., Capak, P., Cappelluti, N., Comastri, A., Giodini, S., Griffiths, R. E., Impey, C., Koekemoer, A. M., Kneib, J. ‐., Leauthaud, A., Le Fevre, O., Lilly, S., Mainieri, V., Massey, R., McCracken, H. J., Mobasher, B., Murayama, T., Peacock, J. A., Sakelliou, I., Schinnerer, E., Silverman, J. D., Smolčić, V., Taniguchi, Y., Tasca, L., Taylor, J. E., Trump, J. R., & Zamorani, G.
- Venue
- The Astrophysical Journal Supplement Series
- Publisher
- American Astronomical Society
- Published
- 2007-09
- Volume
- 172
- Issue
- 1
- Pages
- 182-195
- ISSN
- 0067-0049 (ISSN-L)
- 1538-4365
- OpenAlex
- W2109672483
- Cited by
- 303
- References
- 0
- FWCI
- 14.70
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: The XMM‐Newton Wide‐Field Survey in the COSMOS Field: Statistical Properties of Clusters of Galaxies. https://app.cochat.ai/papers/10.1086/516577
- The paper
- Finoguenov, A., Guzzo, L., Hasinger, G., Scoville, N. Z., Aussel, H., Bohringer, H., Brusa, M., Capak, P., Cappelluti, N., Comastri, A., Giodini, S., Griffiths, R. E., Impey, C., Koekemoer, A. M., Kneib, J. ‐., Leauthaud, A., Le Fevre, O., Lilly, S., Mainieri, V., . . . Zamorani, G. (2007). The XMM‐Newton Wide‐Field Survey in the COSMOS Field: Statistical Properties of Clusters of Galaxies. The Astrophysical Journal Supplement Series. https://doi.org/10.1086/516577
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