HST WFC3/IR OBSERVATIONS OF ACTIVE GALACTIC NUCLEUS HOST GALAXIES AT z ~ 2: SUPERMASSIVE BLACK HOLES GROW IN DISK GALAXIES by Schawinski, Kevin, Treister, Ezequiel, Urry, C. Megan, Cardamone, Carolin, Simmons, Brooke, Yi, Sukyoung K.

“…We present the rest-frame optical morphologies of active galactic nucleus (AGN) host galaxies at 1.5 < z < 3, using near-infrared imaging from the Hubble Space Telescope Wide Field Camera 3, the first such study of AGN host galaxies at these redshifts. …”
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Search for High-energy Neutrinos from Ultraluminous Infrared Galaxies with IceCube by Conrad, Janet

“…These dusty objects are generally powered by starbursts with star formation rates that exceed 100 M⊙ yr−1, possibly combined with a contribution from an active galactic nucleus. Such environments make ULIRGs plausible sources of astrophysical high-energy neutrinos, which can be observed by the IceCube Neutrino Observatory at the South Pole. …”
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Multiwavelength follow-up of a rare IceCube neutrino multiplet by IceCube Collaboration, ASAS-SN, The Astrophysical Multimessenger Observatory Network, Fermi, HAWC Collaboration, LCO, MASTER, Swift, VERITAS, Arguelles Delgado, Carlos A, Axani, Spencer Nicholas, Collin, G. H., Conrad, Janet Marie, Jones, B.J.P., Moulai, Marjon H.

“…No likely electromagnetic counterpart was detected, and we discuss the implications of these constraints on candidate neutrino sources such as gamma-ray bursts, core-collapse supernovae and active galactic nucleus flares. This study illustrates the potential of and challenges for future follow-up campaigns.…”
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Simulating galaxy formation with black hole driven thermal and kinetic feedback by Weinberger, Rainer, Springel, Volker, Hernquist, Lars, Pillepich, Annalisa, Marinacci, Federico, Pakmor, Rüdiger, Nelson, Dylan, Genel, Shy, Vogelsberger, Mark, Naiman, Jill, Torrey, Paul A.

“…The inefficiency of star formation in massive elliptical galaxies is widely believed to be caused by the interactions of an active galactic nucleus (AGN) with the surrounding gas. Achieving a sufficiently rapid reddening of moderately massive galaxies without expelling too many baryons has however proven difficult for hydrodynamical simulations of galaxy formation, prompting us to explore a new model for the accretion and feedback effects of supermassive black holes. …”
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Joint galaxy–galaxy lensing and clustering constraints on galaxy formation by Renneby, Malin, Henriques, Bruno MB, Hilbert, Stefan, Nelson, Dylan, Vogelsberger, Mark, Angulo, Raúl E, Springel, Volker, Hernquist, Lars

“…By decreasing the merger time for satellite galaxies as well as reducing the radio-mode active galactic nucleus accretion efficiency in the SAM, we obtain better agreement, both for the lensing and the clustering, at the high-mass end. …”
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GALACTIC ANGULAR MOMENTUM IN THE ILLUSTRIS SIMULATION: FEEDBACK AND THE HUBBLE SEQUENCE by Genel, Shy, Fall, S. Michael, Hernquist, Lars, Vogelsberger, Mark, Snyder, Gregory F., Rodriguez-Gomez, Vicente, Sijacki, Debora, Springel, Volker

“…We find that galactic winds with high mass-loading factors are essential for obtaining the high angular momentum relation typical for late-type galaxies, while active galactic nucleus feedback largely operates in the opposite direction. …”
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Galaxy mergers moulding the circum-galactic medium – I. The impact of a major merger by Hani, Maan H, Sparre, Martin, Ellison, Sara L, Torrey, Paul A., Vogelsberger, Mark

“…While the merger increases the total metal covering fractions by factors of 2-3, the covering fractions of commonly observed UV ions decrease due to the hard ionizing radiation from the active galactic nucleus, which we model explicitly. Our study of the single simulated major merger presented in this work demonstrates the significant impact that a galaxy interaction can have on the size, metallicity, and observed column densities of the CGM.…”
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The Onset of Thermally Unstable Cooling from the Hot Atmospheres of Giant Galaxies in Clusters: Constraints on Feedback Models by Hogan, M. T., McNamara, B. R., Pulido, F. A., Nulsen, P. E. J., Vantyghem, A. N., Russell, H. R., Edge, A. C., Babyk, Iu., Main, R. A., McDonald, Michael A.

“…We find that the inner cooling times of cluster atmospheres are resilient to active galactic nucleus (AGN)-driven change, suggesting gentle coupling between radio jets and atmospheric gas. …”
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Anatomy of a Cooling Flow: The Feedback Response to Pure Cooling in the Core of the Phoenix Cluster by McDonald, M., McNamara, B. R., Voit, G. M., Bayliss, Matthew B, Benson, B. A., Brodwin, M., Canning, R. E. A., Florian, M. K., Garmire, G. P., Gaspari, M., Gladders, M. D., Hlavacek-Larrondo, J., Kara, Erin A, Reichardt, C. L., Russell, H. R., Saro, A., Sharon, K., Somboonpanyakul, T., Tremblay, G. R., Weeren, R. J. van

“…These data support a picture in which active galactic nucleus feedback is promoting the formation of a multiphase medium via uplift of low-entropy gas, either via ordered or chaotic (turbulent) motions.…”
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Submillimetre galaxies in cosmological hydrodynamical simulations – an opportunity for constraining feedback models by Hayward, Christopher C, Sparre, Martin, Chapman, Scott C, Hernquist, Lars, Nelson, Dylan, Pakmor, Rüdiger, Pillepich, Annalisa, Springel, Volker, Torrey, Paul, Vogelsberger, Mark, Weinberger, Rainer

“…We demonstrate that IllustrisTNG hosts fewer SMGs than Illustris because in the former, high-mass ($M_{\star }\sim 10^{11} \, \text{M}_{\odot }$) z ∼ 2–3 galaxies have lower dust masses and SFRs than in Illustris owing to differences in the subgrid models for stellar and/or active galactic nucleus feedback between the two simulations (we unfortunately cannot isolate the specific cause(s) post hoc). …”
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AGN and star formation at cosmic noon: comparison of data to theoretical models by Florez, Jonathan, Jogee, Shardha, Guo, Yuchen, Cora, Sofía A, Weinberger, Rainer, Davé, Romeel, Hernquist, Lars, Vogelsberger, Mark, Ciardullo, Robin, Finkelstein, Steven L, Gronwall, Caryl, Kawinwanichakij, Lalitwadee, Leung, Gene CK, LaMassa, Stephanie, Papovich, Casey, Stevans, Matthew L, Wold, Isak

“…In theoretical models of galaxy evolution, active galactic nucleus (AGN) and star formation (SF) activity are closely linked and AGN feedback is routinely invoked to regulate galaxy growth. …”
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A Substantial Mass of Cool, Metal-enriched Gas Surrounding the Progenitors of Modern-day Ellipticals by Prochaska, J. Xavier, Hennawi, Joseph F., Simcoe, Robert A.

“…This unexpected reservoir of cool gas is rarely detected "down-the-barrel" to quasars, and hence it is likely that our background sight lines intercept gas that is shadowed from the quasar ionizing radiation by the same obscuring medium often invoked in models of active galactic nucleus unification. Because the high-z halos inhabited by quasars predate modern groups and clusters, these observations are also relevant to the formation and enrichment history of the intragroup/intracluster medium.…”
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AN HST/COS OBSERVATION OF BROAD Lyα EMISSION AND ASSOCIATED ABSORPTION LINES OF THE BL LACERTAE OBJECT H 2356-309 by Danforth, Charles W., Buote, David A., Stocke, John T., Shull, J. Michael, Canizares, Claude R., Gastaldello, Fabio, Fang, Taotao, 1970-

“…Weak spectral features in BL Lacertae objects (BL Lacs) often provide a unique opportunity to probe the inner region of this rare type of active galactic nucleus. We present a Hubble Space Telescope/Cosmic Origins Spectrograph observation of the BL Lac H 2356-309. …”
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HOT GASEOUS CORONAE AROUND SPIRAL GALAXIES: PROBING THE ILLUSTRIS SIMULATION by Vogelsberger, Mark, Kraft, Ralph P., Hernquist, Lars, Gilfanov, Marat, Churazov, Eugene, Genel, Shy, Forman, William R., Murray, Stephen S., Vikhlinin, Alexey, Jones, Christine, Böhringer, Hans, Bogdan, Akos, Torrey, Paul A.

“…However, one shortcoming of Illustris is that massive black holes, mostly residing in giant ellipticals, give rise to powerful radio-mode active galactic nucleus feedback, which results in under-luminous coronae for ellipticals.…”
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THE NUCLEAR SPECTROSCOPIC TELESCOPE ARRAY (NuSTAR) HIGH-ENERGY X-RAY MISSION by Chakrabarty, Deepto

“…Using its unprecedented combination of sensitivity and spatial and spectral resolution, NuSTAR will pursue five primary scientific objectives: (1) probe obscured active galactic nucleus (AGN) activity out to the peak epoch of galaxy assembly in the universe (at z[< over ~]2) by surveying selected regions of the sky; (2) study the population of hard X-ray-emitting compact objects in the Galaxy by mapping the central regions of the Milky Way; (3) study the non-thermal radiation in young supernova remnants, both the hard X-ray continuum and the emission from the radioactive element [superscript 44]Ti; (4) observe blazars contemporaneously with ground-based radio, optical, and TeV telescopes, as well as with Fermi and Swift, to constrain the structure of AGN jets; and (5) observe line and continuum emission from core-collapse supernovae in the Local Group, and from nearby Type Ia events, to constrain explosion models. …”
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IceCube-Gen2: the window to the extreme Universe by Conrad, Janet

“…IceCube has been successful in finding first evidence for cosmic particle acceleration in the jet of an active galactic nucleus. Yet, ultimately, its sensitivity is too limited to detect even the brightest neutrino sources with high significance, or to detect populations of less luminous sources. …”
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DEEP CHANDRA , HST-COS, AND MEGACAM OBSERVATIONS OF THE PHOENIX CLUSTER: EXTREME STAR FORMATION AND AGN FEEDBACK ON HUNDRED KILOPARSEC SCALES by McNamara, Brian R., Weeren, Reinout J. van, Applegate, Douglas E., Bayliss, Matthew, Bautz, Marshall W., Benson, Bradford A., Carlstrom, John E., Bleem, Lindsey E., Chatzikos, Marios, Edge, Alastair C., Fabian, Andrew C., Garmire, Gordon P., Hlavacek-Larrondo, Julie, Jones-Forman, Christine, Mantz, Adam B., Stalder, Brian, Veilleux, Sylvain, ZuHone, John A., McDonald, Michael A., Miller, Eric D

“…We provide evidence that the active galactic nucleus inflating these cavities may have only recently transitioned from "quasar-mode" to "radio-mode," and may currently be insufficient to completely offset cooling. …”
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THE EVOLUTION OF THE INTRACLUSTER MEDIUM METALLICITY IN SUNYAEV ZEL’DOVICH-SELECTED GALAXY CLUSTERS AT 0 < Z < 1.5 by Haan, T. de, Miller, E. D., Benson, B. A., Bleem, L. E., Brodwin, M., Carlstrom, J. E., Chiu, I., Forman, W. R., Hlavacek-Larrondo, J., Garmire, G. P., Gupta, N., Mohr, J. J., Reichardt, C. L., Saro, A., Stalder, B., Stark, A. A., Vieira, J. D., McDonald, Michael A., Bulbul, Gul E

“…This suggests that strong radio-mode active galactic nucleus feedback does not significantly alter the distribution of metals at . …”
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THE EVOLUTION OF THE INTRACLUSTER MEDIUM METALLICITY IN SUNYAEV ZEL’DOVICH-SELECTED GALAXY CLUSTERS AT 0 < by Haan, T. de, Benson, B. A., Bleem, L. E., Brodwin, M., Carlstrom, J. E., Chiu, I., Forman, W. R., Hlavacek-Larrondo, J., Garmire, G. P., Gupta, N., Mohr, J. J., Reichardt, C. L., Saro, A., Vieira, J. D., Stalder, B., Stark, A. A., McDonald, Michael A., Bulbul, Gul E, Miller, Eric D

“…This suggests that strong radio-mode active galactic nucleus feedback does not significantly alter the distribution of metals at . …”
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