355 citations · 2.6k across the 82 of their papers we have counts for
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Application of a Self-Similar Pressure Profile to Sunyaev-Zel'dovich Effect Data from Galaxy Clusters
T. Mroczkowski, M. Bonamente, J. E. Carlstrom +16
We investigate the utility of a new, self-similar pressure profile for fitting Sunyaev-Zel'dovich (SZ) effect observations of galaxy clusters. Current SZ imaging instruments - such…
Swift XRT Observations of the Possible Dark Galaxy VIRGOHI 21
Massimiliano Bonamente, Douglas Swartz, Martin Weisskopf +1
\swift \xrt observations of the \hi line source \VV were performed on April 22 and April 26, 2008 for a total exposure time of 9.2ks. This is the first pointed X-ray observation of…
Scaling Relations from Sunyaev-Zel'dovich Effect and Chandra X-ray measurements of high-redshift galaxy clusters
Massimiliano Bonamente, Marshall Joy, Samuel LaRoque +3
We present Sunyaev-Zel'dovich Effect (SZE) scaling relations for 38 massive galaxy clusters at redshifts 0.14<z0.89, observed with both the Cchandra X-ray Observatory and the centi…
Soft and hard X-ray excess emission in Abell 3112 observed with Chandra
M. Bonamente, J. Nevalainen, R. Lieu
Chandra ACIS-S observations of the galaxy cluster A3112 feature the presence of an excess of X-ray emission above the contribution from the diffuse hot gas, which can be equally we…
Revisiting the soft X-ray excess emission in clusters of galaxies observed with XMM-Newton
J. Nevalainen, M. Bonamente, J. Kaastra
We analyze four XMM-Newton galaxy clusters in order to test whether their soft X-ray excess emission in the 0.2-0.5 keV band as reported by Kaastra et al. (2003) maintains after th…
Radio Sources Toward Galaxy Clusters at 30 GHz
K. Coble, M. Bonamente, J. E. Carlstrom +7
Extra-galactic radio sources are a significant contaminant in cosmic microwave background and Sunyaev-Zel'dovich effect experiments. Deep interferometric observations with the BIMA…
Non-thermal intracluster medium: a simultaneous interpretation of the central soft X-ray excess and WMAP's detection of reduced Sunyaev-Zel'dovich Effect
R. Lieu, J. J. Quenby, M. Bonamente
WMAP's detection of the Sunyaev-Zel'dovich effect at a much reduced level among several large samples of rich clusters is interpreted in terms of conventional physics. It has been…
X-ray and Sunyaev-Zel'dovich Effect Measurements of the Gas Mass Fraction in Galaxy Clusters
S. LaRoque, M. Bonamente, J. Carlstrom +4
We present gas mass fractions of 38 massive galaxy clusters spanning redshifts from 0.14 to 0.89, derived from Chandra X-ray data and OVRO/BIMA interferometric Sunyaev-Zel'dovich E…
Chemical evolution in Sersic 159-03 observed with XMM-Newton
J. de Plaa, N. Werner, A. M. Bykov +6
Using a new long X-ray observation of the cluster of galaxies Sersic 159-03 with XMM-Newton, we derive radial temperature and abundance profiles using single- and multi-temperature…
Determination of the Cosmic Distance Scale from Sunyaev-Zel'dovich Effect and Chandra X-ray Measurements of High Redshift Galaxy Clusters
M. Bonamente, M. Joy, S. La Roque +3
We determine the distance to 38 clusters of galaxies in the redshift range 0.14 < z < 0.89 using X-ray data from Chandra and Sunyaev-Zeldovich Effect data from the Owens Valley Rad…
The temperature structure in the core of Sersic 159-03
J. de Plaa, J. S. Kaastra, M. Mendez +6
We present results from a new 120 ks XMM-Newton observation of the cluster of galaxies Sersic 159-03. In this paper we focus on the high-resolution X-ray spectra obtained with the…
Thermal and non-thermal nature of the soft excess emission from Sersic 159-03 observed with XMM-Newton
M. Bonamente, R. Lieu, J. P. D. Mittaz +2
Several nearby clusters exhibit an excess of soft X-ray radiation which cannot be attributed to the hot virialized intra-cluster medium. There is no consensus to date on the origin…
WHIM emission and the cluster soft excess: a model comparison
J. Mittaz, R. Lieu, R. Cen +1
The confirmation of the cluster soft excess (CSE) by XMM-Newton has rekindled interest as to its origin. The recent detections of CSE emission at large cluster radii together with…
Warm gas in the outskirts of galaxy clusters -- The cluster soft excess phenomenon
M. Bonamente, R. Lieu, J. P. D. Mittaz
The cluster soft excess emission indicates the presence of large amounts of warm gas (T ~ 10^6 K) in the neighborhood of galaxy clusters. Among the clusters that display this pheno…
Markov Chain Monte Carlo joint analysis of Chandra X-ray imaging spectroscopy and Sunyaev-Zeldovich Effect data
Massimiliano Bonamente, Marshall K. Joy, John E. Carlstrom +2
X-ray and Sunyaev-Zeldovich Effect data can be combined to determine the distance to galaxy clusters. High-resolution X-ray data are now available from the Chandra Observatory, whi…
FUSE Observations of Galactic and Intrinsic Absorption in the Spectrum of the Seyfert 1 Galaxy 2MASX J21362313-6224008
Massimiliano Bonamente, W. Van Dyke Dixon
We present the far-ultraviolet spectrum of the Seyfert 1 galaxy 2MASX J21362313-6224008 obtained with the Far Ultraviolet Spectroscopic Explorer (FUSE). The spectrum features absor…
A massive warm baryonic halo in the Coma cluster
M. Bonamente, M. K. Joy, R. Lieu
Several deep PSPC observations of the Coma cluster reveal a very large-scale halo of soft X-ray emission, substantially in excess of the well known radiation from the hot intra-clu…
The soft X-ray emission in a large sample of galaxy clusters with ROSAT PSPC
M. Bonamente, R. Lieu, M. K. Joy +1
The study of soft X-ray emission of 38 X-ray selected galaxy clusters observed by ROSAT PSPC indicates that the soft excess phenomenon may be a common occurrence in galaxy clusters…
The extreme ultraviolet excess emission in five clusters of galaxies revisited
Florence Durret, Eric Slezak, Richard Lieu +2
Evidence for excess extreme ultraviolet (EUV) emission over a tail of X-ray gas bremsstrahlung emission has been building up recently, but in some cases remains controversial, most…
Sersic 159-03: discovery of the brightest soft X-ray excess emitting cluster of galaxies
M. Bonamente, R. Lieu, J. P. D. Mittaz
The soft X-ray excess emission in the southern cluster Sersic 159-03 represents hiterto the strongest effect of its kind. Emission in the ~0.2-0.4 keV passband is detected far in e…
ROSAT and BeppoSAX evidence of soft X-ray excess emission in the Shapley supercluster: A3571, A3558, A3560 and A3562
M. Bonamente, R. Lieu, J. Nevalainen +1
Excess soft X-ray emission in clusters of galaxies has so far been detected for sources that lie along lines-of-sight to very low Galactic HI column density (such as Coma, A1795, A…
EUV and soft X-rays from clusters of galaxies - the `cluster soft-excess' phenomenon
Max Bonamente, Richard Lieu
Clusters of galaxies are strong emitters of EUV and soft X-rays substantially in excess of the contribution from the hot intra-cluster medium at X-ray temperatures. After the initi…
The EUV excess emission of the Virgo and A1795 clusters - re-observation with in-situ background measurements
Max Bonamente, Richard Lieu, Jonathan P. D. Mittaz
The Virgo and A1795 clusters of galaxies were re-observed by EUVE with {\it in situ} background measurements by pointing at small offsets. Earlier, a similar re-observational strat…
The multiphase nature of the intra-cluster medium of some clusters of galaxies
Max Bonamente, Richard Lieu, Jonathan P. D. Mittaz
The discovery of EUV and soft X-ray excess emission in clusters of galaxies (the cluster soft-excess phenomenon) challenged the notion of the hot ( K) gas as the onl…