H. Böhringer

Publication List Details

Period

1994 - 2009

Number

218

Co-Authors

Hubble Space Telescope Weak-lensing Study of the Galaxy Cluster XMMU J2235.3-2557 at z=1.4: A Surprisingly Massive Galaxy Cluster when the Universe is One-third of its Current Age (2009)

Jee, M. J., Rosati, P., Ford, H. C., Dawson, K. S., Lidman, C., Perlmutter, S., ...

We present a weak-lensing analysis of the z=1.4 galaxy cluster XMMU J2235.3-2557, based on deep Advanced Camera for Surveys images. Despite the observational challenge set by the high redshift of the...

The XMM-Newton wide-field survey in the COSMOS field - The point-like X-ray source catalogue (2009)

Cappelluti, N., Brusa, M., Hasinger, G., Comastri, A., Zamorani, G., Finoguenov, A., ...

Context. The COSMOS survey is a multiwavelength survey aimed to study the evolution of galaxies, AGN and large scale structures. Within this survey XMM-COSMOS a powerful tool to detect AGN and galaxy...

1. AN IMPROVED TECHIQUE FOR MEASUR- ING GAS DENSITY PROFILES (2009)

J. H. Croston, M. Arnaud, G. W. Pratt, H. Böhringer

We present an improved technique for the deprojection and PSF-deconvolution of X-ray surface brightness profiles of galaxy clusters. Our method is tested using simulated profiles, XMM-Newton and...

The large-scale shock in the cluster of galaxies Hydra A (2008)

Simionescu, A., Roediger, E., Nulsen, P. E. J., Brüggen, M., Forman, W. R., Böhringer, H., ...

We analyzed a deep XMM-Newton observation of the cluster of galaxies Hydra A, focusing on the large-scale shock discovered as a surface brightness discontinuity in Chandra images. The shock front can...

Chemical enrichment in the cluster of galaxies Hydra A (2008)

Simionescu, A., Werner, N., Böhringer, H., Kaastra, J. S., Finoguenov, A., Brüggen, M., ...

We analyzed global properties, radial profiles and 2D maps of the metal abundances and temperature in the cool core cluster of galaxies Hydra A using a deep XMM-Newton exposure. The best fit among...

Detection of hot gas in the filament connecting the clusters of galaxies Abell 222 and Abell 223 (2008)

Werner, N., Finoguenov, A., Kaastra, J.S., Simionescu, A., Dietrich, J.P., Vink, J., ...

Context. About half of the baryons in the local Universe are invisible and – according to simulations – their dominant fraction resides in filaments connecting clusters of galaxies in the form of...

Diffuse stellar emission in X-ray luminous galaxy clusters at z ~ 0.3. I. Is the diffuse optical light boosted and rejuvenated in merging clusters? (2008)

Pierini, D., Zibetti, S., Braglia, F., Böhringer, H., Finoguenov, A., Lynam, P. D., ...

Context: Clusters of galaxies host a diffuse population of intergalactic stars. Diffuse optical light is observed in clusters up to redshift z ˜ 0.4. Recent cosmological hydrodynamical...

Scaling relations and mass calibration of the X-ray luminous galaxy clusters at redshift ~0.2: XMM-Newton observations (2007)

Finuguenov, A., Böhringer, H., Smith, G. P., Czoske, O., ...

We present the X-ray properties and scaling relations of a flux-limited morphology-unbiased sample of 12 X-ray luminous galaxy clusters at redshift around 0.2 based on XMM-Newton observations. The...

Statistics of X-ray observables for the cooling-core and non-cooling core galaxy clusters (2007)

Chen, Y., Reiprich, T. H., Böhringer, H., Ikebe, Y.

We present a statistical study of the occurrence and effects of the cooling cores in the clusters of galaxies in a flux-limited sample, HIFLUGCS, based on ROSAT and ASCA observations. About 49% of...

The XMM-Newton Wide-Field Survey in the COSMOS field: statistical properties of clusters of galaxies (2007)

Finoguenov, A., Guzzo, L., Hasinger, G., Scoville, N. Z., Aussel, H., Böhringer, H., ...

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...

The gaseous atmosphere of M87 seen with XMM-Newton (2006)

Simionescu, A., Böhringer, H., Brüggen, M., Finoguenov, A.

M87 is a key object whose study can reveal the complex phenomena in cooling cores. We use a deep XMM-Newton observation of M87 to produce detailed temperature, pressure and entropy maps in order to...

RASS-SDSS Galaxy Cluster Survey. VI. The dependence of the cluster SFR on the cluster global properties (2006)

Popesso, P., Biviano, A., Romaniello, M., Böhringer, H.

Using a subsample of 79 nearby clusters from the RASS-SDSS galaxy cluster catalogue of Popesso et al. (2005a), we perform a regression analysis between the cluster integrated star formation rate...

RASS-SDSS Galaxy Cluster Survey. VII. On the Cluster Mass to Light ratio and the Halo Occupation Distribution (2006)

Popesso, P., Biviano, A., Böhringer, H., Romaniello, M.

We explore the mass-to-light ratio in galaxy clusters and its relation to the cluster mass. We study the relations among the optical luminosity ($L_{op}$), the cluster mass ($M_{200}$) and the number...

RASS-SDSS Galaxy Cluster Survey. V. The X-ray-Underluminous Abell Clusters (2006)

Popesso, P., Biviano, A., Böhringer, H., Romaniello, M.

In this paper we consider a large sample of optically selected clusters, in order to elucidate the physical reasons for the existence of X-ray underluminous clusters. For this purpose we analyze the...

The X-Ray Luminosity--Mass Relation for Local Clusters of Galaxies (2006)

Stanek, R., Evrard, A. E., Böhringer, H., Schuecker, P., Nord, B.

We investigate the relationship between soft \xray luminosity and mass for low redshift clusters of galaxies by comparing observed number counts to expectations of $\Lambda$CDM cosmologies. We use a...

Metal Abundances in the ICM as a Diagnostics of the Cluster History (2005)

Böhringer, H., Matsushita, K., Finoguenov, A., Xue, Y., Churazov, E.

Galaxy clusters with a dense cooling core exhibit a central increase in the metallicity of the intracluster medium. Recent XMM-Newton studies with detailed results on the relative abundances of...

RASS-SDSS Galaxy Cluster Survey. IV. A ubiquitous dwarf galaxy population in clusters (2005)

Popesso, P., Biviano, A., Böhringer, H., Romaniello, M.

We analyze the Luminosity Functions (LFs) of a subsample of 69 clusters from the RASS-SDSS galaxy cluster catalog. When calculated within the cluster physical sizes, given by r200 or r500, all the...

XMM-Newton Observations of the Perseus Cluster II: Evidence for Gas Motions in the Core (2003)

Churazov, E., Forman, W., Jones, C., Sunyaev, R., Böhringer, H.

The 5-9 keV spectrum of the inner ~100 kpc of the Perseus cluster measured by XMM-Newton can be well described by an optically thin plasma emission model as predicted by the APEC code, without any...

XMM-Newton observations of the Perseus Cluster I: The temperature and surface brightness structure (2003)

Churazov, E., Forman, W., Jones, C., Böhringer, H.

We present preliminary results of the XMM-Newton 50 ksec observation of the Perseus cluster. The global east/west asymmetry of the gas temperature and surface brightness distributions, approximately...

Reproducing the entropy structure in galaxy groups (2003)

Finoguenov, A., Borgani, S., Tornatore, L., Böhringer, H.

We carry out a comparison between observations and hydrodynamic simulations of entropy profiles of groups and clusters of galaxies. We use the Tree+SPH GADGET code to simulate four halos of sizes in...

The REFLEX galaxy cluster survey - VII. Omega(m) and sigma(8) from cluster abundance and large-scale clustering (2003)

Schuecker, P., Böhringer, H., Collins, C. A., Guzzo, L.

For the first time the large-scale clustering and the mean abundance of galaxy clusters are analysed simultaneously to get precise constraints on the normalized cosmic matter density Omega(m) and the...

Cooling flows as a calorimeter of active galactic nucleus mechanical power (2002)

Churazov, E., Sunyaev, R., Forman, W, Böhringer, H

The assumption that radiative cooling of gas in the centres of galaxy clusters is approximately balanced by energy input from a central supermassive black hole implies that the observed X- ray...

The new emerging model for the structure of cooling cores in clusters of galaxies (2002)

Böhringer, H., Matsushita, K., Churazov, E., Ikebe, Y, Chen, Y

New X-ray observations with XMM-Newton show a lack of spectral evidence for large amounts of cooling and condensing gas in the centers of galaxy clusters believed to harbour strong cooling flows....

Shakhbazian compact galaxy groups - I. Photometric, spectroscopic and X-ray study of ShCG 154, ShCG 166, ShCG 328, ShCG 360 (2002)

Tiersch, H., Tovmassian, H. M., Stoll, D., Amirkhanian, A. S., Neizvestny, S., Böhringer, H., ...

Shakhbazian compact galaxy groups belong to the interesting class of compact groups. Because of their large number (the catalogue contains 377 entries) we are able to study the groups in different...

The ROSAT All-Sky Survey: A catalog of clusters of galaxies in a region of 1 steradian around the south Galactic pole (2002)

Cruddace, R., Voges, W., Böhringer, H., Collins, C. A., Romer, A. K., MacGillivray, H., ...

A field of 1.013 sr in the ROSAT All-Sky Survey (RASS), centered on the south Galactic pole (SGP), has been searched in a systematic, objective manner for clusters of galaxies. The procedure relied...

Cooling flows as a calorimeter of active galactic nucleus mechanical power (2002)

Churazov, E., Sunyaev, R., Forman, W., Böhringer, H.

The assumption that radiative cooling of gas in the centres of galaxy clusters is approximately balanced by energy input from a central supermassive black hole implies that the observed X- ray...

SZ and X-ray combined analysis of a distant galaxy cluster, RX J2228+2037 (2002)

Pointecouteau, E., Hattori, M., Neumann, D., Komatsu, E., Matsuo, H., Kuno, N., ...

We have performed a combined analysis of X-ray and Sunyaev- Zel'dovich data in the direction of the distant galaxy cluster, RX J2228+2037. Fitting a beta-model to the high-resolution HRI data gives...

XMM-Newton observation of M 87 - I. Single-phase temperature structure of intracluster medium (2002)

Matsushita, K., Belsole, E., Finoguenov, A., Böhringer, H.

We report the results of a detailed analysis of the temperature structure of the X-ray emitting plasma halo of M 87, the cD galaxy of the Virgo Cluster. Using the MEKAL model, the data provide strong...

A new measurement of the X-ray temperature function of clusters of galaxies (2002)

Ikebe, Y., Reiprich, T.H, Böhringer, H., Tanaka, Y., Kitayama, T.

We present a newly measured X-ray temperature function of galaxy clusters using a complete flux-limited sample of 61 clusters. The sample is constructed with the total survey area of 8.14 steradians...

The ROSAT-ESO Flux-Limited X-ray (REFLEX) Galaxy Cluster Survey. IV. The X-ray luminosity function (2002)

Böhringer, H., Collins, C. A., Guzzo, L., Schuecker, P., Voges, W., Neumann, D. M., ...

The X-ray galaxy cluster sample from the REFLEX Cluster Survey, which covers the X-ray brightest galaxy clusters detected in the ROSAT All-Sky Survey in the southern sky, is used to construct the...

X-ray evidence for spectroscopic diversity of type Ia supernovae: XMM observation of the elemental abundance pattern in M87 (2002)

Finoguenov, A., Matsushita, K., Böhringer, H., Ikebe, Y., Arnaud, M.

We present the results of a detailed element abundance study of hot gas in M 87, observed by XMM-Newton. We choose two radial bins, 1'-3' and 8'-16' (8'-14' for EMOS; hereafter the central and the...

High resolution soft X-ray spectroscopy of M 87 with the reflection grating spectrometers on XMM-Newton (2002)

Sakelliou, I., Peterson, J. R., Tamura, T., Paerels, F. B. S., Kaastra, J. S., Belsole, E., ...

We present high-resolution X-ray spectroscopic observations of M 87 with the Reflection Grating Spectrometers on XMM-Newton. We detect strong K-shell line emission from N, O, Ne, Mg, some emission...

Sloan Digital Sky Survey: Early data release (2002)

Stoughton, C., Lupton, R. H., Bernardi, M., Blanton, M. R., Burles, S., Castander, F. J., ...

The Sloan Digital Sky Survey (SDSS) is an imaging and spectroscopic survey that will eventually cover approximately one-quarter of the celestial sphere and collect spectra of 10 6 galaxies, 100,000...

Evolution of buoyant bubbles in M87 (2001)

Churazov, E., Brüggen, M., Kaiser, C.R., Böhringer, H., Forman, W.

The morphology of the X-ray and radio-emitting features in the central ~50 kpc region around the galaxy M87 strongly suggests that buoyant bubbles of cosmic rays (inflated by an earlier nuclear...

Evolution of Buoyant Bubbles in M87 (2000)

Churazov, E., Brüggen, M., Kaiser, C. R., Böhringer, H., Forman, W.

The morphology of the X-ray and radio emitting features in the central $\sim$ 50 kpc region around the galaxy M87 strongly suggests that buoyant bubbles of cosmic rays (inflated by an earlier nuclear...

The X-ray Morphology of the Lensing Galaxy Cluster Cl0024+17 (1999)

Böhringer, H., Soucail, G., Mellier, Y., Ikebe, Y., Schuecker, P.

The paper reports the analysis of a very deep ROSAT HRI observation of the distant lensing cluster, CL0024+17. The morphology of the cluster is studied and the small core radius inferred from lensing...

A Flux-limited Sample of Bright Clusters of Galaxies from the Southern Part of the ROSAT All-Sky Survey: the Catalog and the LogN-LogS (1999)

De Grandi, S., Böhringer, H., Guzzo, L., Molendi, S., Chincarini, G., Collins, C. A., ...

We describe the selection of an X-ray flux-limited sample of bright clusters of galaxies in the southern hemisphere, based on the first analysis of the ROSAT All-Sky Survey data (RASS1). The sample...

The enhancement and decrement of the Sunyaev-Zel'dovich effect towards the ROSAT Cluster RXJ0658-5557The enhancement and decrement of the Sunyaev-Zeldovich effect towards the ROSAT Cluster RXJ0658-5557 (1999)

Booth, R., Nyman, L. A. A., Lemke, R., Shaver, P. A., Martinis, L., Dall'Oglio, G., ...

Published in: Astrophys. J. 513 (1999) 23 citations recorded in [Science Citation Index] Abstract: We report simultaneous observations at 1.2 and 2 mm, with a double channel photometer on the SEST...

The X-ray Luminosity Function of Bright Clusters in the Local Universe (1998)

De Grandi, S., Guzzo, L., Böhringer, H., Molendi, S., Chincarini, G., Collins, C., ...

We present the X-ray luminosity function (XLF) for clusters of galaxies derived from the RASS1 Bright Sample. The sample, selected from the ROSAT All-Sky Survey in a region of 2.5 sr within the...

The ROSAT Brightest Cluster Sample (BCS) - I. The compilation of the sample and the cluster log N-log S distribution (1998)

Ebeling, H., Edge, A. C., Böhringer, H., Allen, S. W., Crawford, C. S., Fabian, A. C., ...

We present a 90 per cent flux-complete sample of the 201 X-ray brightest clusters of galaxies in the northern hemisphere (dec > 0 deg), at high Galactic latitudes (|b| > 20 deg), with measured...

Results from the REFLEX Cluster Survey (1998)

Böhringer, H., Guzzo, L., Collins, C. A., Neumann, D. M., Schindler, S., Schuecker, P., ...

Based on the ROSAT All-Sky Survey we have conducted a large redshift survey as an ESO key programme to identify and secure redshifts for the X-ray brightest clusters found in the southern hemisphere....

Probing the Cosmic Large-Scale Structure with the REFLEX Cluster Survey : Profile of an ESO Key Programme (1998)

Böhringer, H., Guzzo, L., Collins, C. A., Neumann, D. M., Schindler, S., Schuecker, P., ...

The paper describes the goals and first results of the ROSAT ESO Flux-Limited X-ray (REFLEX) Cluster Survey, a redshift survey of the X-ray brightest galaxy clusters in the ROSAT All-Sky Survey in...

The Steepness Ratio Technique: A New Method to analyze ROSAT All-Sky Survey Extended Sources (1997)

De Grandi, S., Molendi, S., Böhringer, H., Chincarini, G., Voges, W.

In this first paper of a series we develop a new technique to analyze clusters of galaxies observed during the ROSAT All-Sky Survey (RASS). We call this method the Steepness Ratio Technique (SRT)....

Violent Relaxation of Indistinguishable Objects and Neutrino Hot Dark Matter in Clusters of Galaxies (1996)

Kull, A., Treumann, R. A., Böhringer, H.

The statistical mechanical investigation of violent relaxation (Lynden-Bell 1967) is extended to indistinguishable objects. It is found that, coincidentally, the equilibrium distribution is the same...

A Weak Gravitational Lensing and X-ray Analysis of Abell 2163 (1996)

Squires, G., Neumann, D. M., Kaiser, N., Arnaud, M., Babul, A., Böhringer, H., ...

We report on the detection of dark matter in the cluster of galaxies Abell~2163 using the weak gravitational distortion of background galaxies, and an analysis of the cluster X-ray emission. We find...

ROSAT/HRI and ASCA observations of the most luminous X-ray cluster RXJ1347.5-1145 (1996)

Schindler, S., Hattori, M., Neumann, D. M., Böhringer, H.

We report on the X-ray properties of the exceptional X-ray cluster RXJ1347.5-1145 at z=0.451. We confirm that it is with a luminosity $L_X(bol)=2\times 10^{46}$ erg/s the most luminous X-ray cluster...

The Sunyaev-Zel'dovich Effect at 1 and 2 mm towards ROSAT ClustersThe Sunyaev-Zeldovich Effect at 1 and 2 mm towards ROSAT Clusters (1996)

Nyman, L. A. A., Lemke, R., Böhringer, H., Shaver, P. A., Martinis, L., Pizzo, L., ...

Abstract: An observing campaign was devoted to the search for the Sunyaev-Zeldovich (S-Z) effect towards X-ray ROSAT Clusters in the millimetric spectral domain. A double channel (1.2 and 2 {it mm})...

X-ray evolution in the ROSAT Brightest Cluster Sample (1995)

Ebeling, H., Allen, S. W., Crawford, C. S., Edge, A. C., Fabian, A. C., Böhringer, H., ...

We present the X-ray luminosity function (XLF) of the ROSAT Brightest Cluster Sample (BCS), an X-ray selected, flux limited sample of 172 clusters of galaxies at $z\leq 0.3$ compiled from ROSAT...

The Dark Matter, Gas and Galaxy Distributions in Abell 2218: A Weak Gravitational Lensing and X-ray Analysis (1995)

Squires, G., Kaiser, N., Babul, A., Fahlman, G., Woods, D., Neumann, D. M., ...

We report on the detection of dark matter in the cluster Abell 2218 using the weak gravitational distortion of background galaxies. We find a highly significant, coherent detection of the distortion...

Discovery of an Arc System in the Brightest ROSAT Cluster of Galaxies (1995)

Schindler, S., Guzzo, L., Ebeling, H., Böhringer, H., Chincarini, G., Collins, C. A., ...

We report the discovery of two bright arcs in what turns out to be the brightest X--ray cluster in the ROSAT band ever observed, RXJ1347.5-1145. Its luminosity is $(6.2\pm0.6) \cdot10^{45}$erg...