Search Results - "Schellenberger, G"

Intracluster Magnetic Filaments and an Encounter with a Radio Jet by Rudnick, L., Brüggen, M., Brunetti, G., Cotton, W. D., Forman, W., Jones, T. W., Nolting, C., Schellenberger, G., van Weeren, R.

“…Abstract Thin synchrotron-emitting filaments are increasingly seen in the intracluster medium (ICM). We present the first example of a direct interaction…”
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Forming One of the Most Massive Objects in the Universe: The Quadruple Merger in Abell 1758 by Schellenberger, G., David, L., O'Sullivan, E., Vrtilek, J. M., Haines, C. P.

“…The system A1758 is made up of two galaxy clusters, a more massive, northern cluster and a southern cluster. Both parts are undergoing major merger events at…”
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A Deep Dive into the NGC 741 Galaxy Group: Insights into a Spectacular Head-tail Radio Galaxy from VLA, MeerKAT, uGMRT, and LOFAR by Rajpurohit, K., O’Sullivan, E., Schellenberger, G., Brienza, M., Vrtilek, J. M., Forman, W., David, L. P., Clarke, T., Botteon, A., Vazza, F., Giacintucci, S., Jones, C., Brüggen, M., Shimwell, T. W., Drabent, A., Loi, F., Loubser, S. I., Kolokythas, K., Babyk, I., Röttgering, H. J. A.

“…Abstract We present deep, wideband multifrequency radio observations (144 MHz−8 GHz) of the remarkable galaxy group NGC 741, which yield crucial insights into…”
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Abell 746: A Highly Disturbed Cluster Undergoing Multiple Mergers by Rajpurohit, K., Lovisari, L., Botteon, A., Jones, C., Forman, W., O’Sullivan, E., van Weeren, R. J., HyeongHan, K., Bonafede, A., Jee, M. J., Vazza, F., Brunetti, G., Cho, H., Domínguez-Fernández, P., Stroe, A., Finner, K., Brüggen, M., Vrtilek, J. M., David, L. P., Schellenberger, G., Wittman, D., Lusetti, G., Kraft, R., De Gasperin, F.

“…Abstract We present deep XMM-Newton, Karl G. Jansky Very Large Array, and upgraded Giant Metrewave Radio Telescope observations of Abell 746, a cluster that…”
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NGC 741-Mergers and AGN Feedback on a Galaxy-group Scale by Schellenberger, G., Vrtilek, J. M., David, L., O'Sullivan, E., Giacintucci, S., Johnston-Hollitt, M., Duchesne, S. W., Raychaudhury, S.

“…Low-mass galaxy cluster systems and groups will play an essential role in upcoming cosmological studies, such as those to be carried out with eROSITA. Though…”
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HICOSMO – cosmology with a complete sample of galaxy clusters – I. Data analysis, sample selection and luminosity–mass scaling relation by Schellenberger, G., Reiprich, T. H.

“…Abstract The X-ray regime, where the most massive visible component of galaxy clusters, the intracluster medium, is visible, offers directly measured…”
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HICOSMO: cosmology with a complete sample of galaxy clusters – II. Cosmological results by Schellenberger, G., Reiprich, T. H.

“…Abstract The X-ray bright, hot gas in the potential well of a galaxy cluster enables systematic X-ray studies of samples of galaxy clusters to constrain…”
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Examining the local Universe isotropy with galaxy cluster velocity dispersion scaling relations by Pandya, A, Migkas, K, Reiprich, T. H, Stanford, A, Pacaud, F, Schellenberger, G, Lovisari, L, Ramos-Ceja, M. E, Nguyen-Dang, N. T, Park, S

“…In standard cosmology, the late Universe is assumed to be statistically homogeneous and isotropic. However, a recent study based on galaxy clusters by Migkas…”
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Augmenting astronomical X-ray detectors with AI for enhanced sensitivity and reduced background by Wilkins, D. R, Poliszczuk, A, Schneider, B, Miller, E. D, Allen, S. W, Bautz, M, Chattopadhyay, T, Falcone, A. D, Foster, R, Grant, C. E, Herrmann, S, Kraft, R, Morris, R. G, Nulsen, P, Orel, P, Schellenberger, G

“…Proc. SPIE, 2024, 13093-65 Bringing artificial intelligence (AI) alongside next-generation X-ray imaging detectors, including CCDs and DEPFET sensors, enhances…”
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A Deep Dive into the NGC 741 Galaxy Group: Insights into a Spectacular Head-Tail Radio Galaxy from VLA, MeerKAT, uGMRT and LOFAR by Rajpurohit, K, O'Sullivan, E, Schellenberger, G, Brienza, M, Vrtilek, J. M, Forman, W, David, L. P, Clarke, T, Botteon, A, Vazza, F, Giacintucci, S, Jones, C, Brüggen, M, Shimwell, T. W, Drabent, A, Loi, F, Loubser, S. I, Kolokythas, K, Babyk, I, Röttgering, H. J. A

“…We present deep, wideband multifrequency radio observations (144 MHz$-$8 GHz) of the remarkable galaxy group NGC 741, which yield crucial insights into the…”
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The SRG/eROSITA All-Sky Survey: SRG/eROSITA cross-calibration with Chandra and XMM-Newton using galaxy cluster gas temperatures by Migkas, K, Kox, D, Schellenberger, G, Veronica, A, Pacaud, F, Reiprich, T. H, Bahar, Y. E, Balzer, F, Bulbul, E, Comparat, J, Dennerl, K, Freyberg, M, Garrel, C, Ghirardini, V, Grandis, S, Kluge, M, Liu, A, Ramos-Ceja, M. E, Sanders, J, Zhang, X

“…A&A 688, A107 (2024) Galaxy cluster gas temperatures ($T$) play a crucial role in many cosmological and astrophysical studies. However, it has been shown that…”
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Probing cosmic isotropy with a new X-ray galaxy cluster sample through the $L_{\text{X}}-T$ scaling relation by Migkas, K, Schellenberger, G, Reiprich, T. H, Pacaud, F, Ramos-Ceja, M. E, Lovisari, L

“…A&A 636, A15 (2020) The isotropy of the late Universe is an assumption greatly used in astronomy. However, many studies have recently reported deviations from…”
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Abell 746: A highly disturbed cluster undergoing multiple mergers by Rajpurohit, K, Lovisari, L, Botteon, A, Jones, C, Forman, W, O'Sullivan, E, van Weeren, R. J, HyeongHan, K, Bonafede, A, Jee, M. J, Vazza, F, Brunetti, G, Cho, H, Domínguez-Fernández, P, Stroe, A, Finner, K, Brüggen, M, Vrtilek, J. M, David, L. P, Schellenberger, G, Wittman, D, Lusetti, G, Kraft, R, Gasperin, F. de

“…We present deep XMM-Newton, Karl Jansky Very Large Array, and upgraded Giant Metrewave Radio Telescope observations of Abell 746, a cluster that hosts a…”
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Reducing the background in X-ray imaging detectors via machine learning by Wilkins, D. R, Allen, S. W, Miller, E. D, Bautz, M, Chattopadhyay, T, Foster, R, Grant, C. E, Hermann, S, Kraft, R, Morris, R. G, Nulsen, P, Schellenberger, G

“…Proc. SPIE, 2022, 12181, 155 The sensitivity of astronomical X-ray detectors is limited by the instrumental background. The background is especially important…”
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Properties of the Line-of-Sight Velocity Field in the Hot and X-ray Emitting Circumgalactic Medium of Nearby Simulated Disk Galaxies by ZuHone, J. A, Schellenberger, G, Ogorzalek, A, Oppenheimer, B. D, Stern, J, Bogdan, A, Truong, N, Markevitch, M, Pillepich, A, Nelson, D, Burchett, J. N, Khabibullin, I, Kilbourne, C. A, Kraft, R. P, Nulsen, P. E. J, Veilleux, S, Vogelsberger, M, Wang, Q. D, Zhuravleva, I

“…The hot, X-ray-emitting phase of the circumgalactic medium of massive galaxies is believed to be the reservoir of baryons from which gas flows onto the central…”
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Comparing different mass estimators for a large subsample of the {\it Planck}-ESZ clusters by Lovisari, L, Ettori, S, Sereno, M, Schellenberger, G, Forman, W. R, Andrade-Santos, F, Jones, C

“…A&A 644, A78 (2020) Total mass is arguably the most fundamental property for cosmological studies with galaxy clusters. We investigate the present differences…”
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HICOSMO - Cosmology with a complete sample of galaxy clusters: II. Cosmological results by Schellenberger, G, Reiprich, T. H

“…The growth of structure in the Universe is tightly correlated with the cosmological parameters. Galaxy clusters as tracers of the large scale structure are the…”
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HICOSMO - Cosmology with a complete sample of galaxy clusters: I. Data analysis, sample selection and luminosity-mass scaling-relation by Schellenberger, G, Reiprich, T. H

“…The X-ray regime, where the most massive visible component of galaxy clusters, the intra cluster medium (ICM), is visible, offers directly measured quantities,…”
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Cosmological implications of the anisotropy of ten galaxy cluster scaling relations by Migkas, K, Pacaud, F, Schellenberger, G, Erler, J, Nguyen-Dang, N. T, Reiprich, T. H, Ramos-Ceja, M. E, Lovisari, L

“…A&A 649, A151 (2021) The hypothesis that the late Universe is isotropic and homogeneous is adopted by most cosmological studies. The expansion rate $H_0$ is…”
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The long X-ray tail in Zwicky 8338 by Schellenberger, G, Reiprich, T. H

“…A&A 583, L2 (2015) The interaction processes in galaxy clusters between the hot ionized gas (ICM) and the member galaxies are of crucial importance in order to…”
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