Volume 408, Number 1, September II 2003
|Page(s)||43 - 49|
|Section||Cosmology (including clusters of galaxies)|
|Published online||17 November 2003|
Measuring using clusters evolution
Dipartimento di Matematica, Università Statale di Bergamo, via dei Caniana 2, 24129 Bergamo, Italy Feza Gürsey Institute, PO Box 6 Çengelköy, Istanbul, Turkey Boçi University, Physics Department, 80815 Bebek, Istanbul, Turkey
Corresponding author: firstname.lastname@example.org
Accepted: 17 June 2003
The constraints obtained by several authors (Eke et al. 1998; Henry [CITE]) on the estimated values of , n and are revisited in the light of recent theoretical developments: 1) new theoretical mass functions; 2) a more accurate mass-temperature relation, also determined for arbitrary and . I re-derive the X-ray Temperature Function (XTF), similarly to Henry ([CITE]) and Eke et al. (1999), re-obtaining the constraints on , n, . The result shows that changes in the mass function and M–T relation produces an increase in of and similar results in and n.
Key words: cosmology: theory / large-scale structure of Universe / galaxies: formation
© ESO, 2003
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