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Bias on Estimates of X-ray Cluster Mass

Published online by Cambridge University Press:  19 May 2006

G.A. Mamon ,
F. Combes ,
C. Deffayet ,
B. Fort ,
E. Rasia ,
S. Ettori ,
L. Moscardini ,
P. Mazzotta ,
S. Borgani  and
K. Dolag
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E. Rasia*
Affiliation:
Dipartimento di Astronomia, Università di Padova, vicolo dell'Osservatorio 2, 35122 Padova, Italy,
S. Ettori
Affiliation:
INAF, Osservatorio Astronomia di Bologna, via Ranzani 1, 40127 Bologna, Italy
L. Moscardini
Affiliation:
Dipartimento di Astronomia, Università di Bologna, via Ranzani 1, 40127 Bologna, Italy
P. Mazzotta
Affiliation:
Dipartimento di Fisica, Università di Roma Tor Vergata, via della Ricerca Scientifica 1, 00133 Roma, Italy
S. Borgani
Affiliation:
Dipartimento di Astronomia, Università di Trieste, via Tiepolo 11, 34131 Trieste, Italy
K. Dolag
Affiliation:
MPA, Karl-Schwarzschild Strasse 1, 85748 Garching bei München, Germany
G. Tormen
Affiliation:
Dipartimento di Astronomia, Università di Padova, vicolo dell'Osservatorio 2, 35122 Padova, Italy,
L.M. Cheng
Affiliation:
Institute of Theoretical Physics, Chinese Accademy of Sciences, Beijing 100080, China
A. Diaferio
Affiliation:
Dipartimento di Fisica, Università di Torino, via Giuria 1, 10125 Torino, Italy
*
rasia@pd.astro.it
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Abstract

We examine the systematics affecting the X-ray mass estimators applied toChandra-like long exposures images of five simulated clusters.

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