activity
20152026
most citedSpace Telescope and Optical Reverberation Mapping Project. V. Optical Spectroscopic Campaign and Emission-Line Analysis for NGC 5548

130 citations · 905 across the 30 of their papers we have counts for

collaborators

30 papers

astro-ph.GA2026

Measuring Simulated Circumgalactic Medium Turbulence with Emission-Weighted Projected Velocity Structure Functions in FOGGIE

Helena Bouchereau, Cassandra Lochhaas, Jake S. Bennett +1

The spatially-resolved kinematics of line emission from the circumgalactic medium (CGM) of a galaxy can contain information about the CGM turbulence, which may play an important ro…

astro-ph.GA2026

The birth of the intracluster medium: the evolution of multiphase gas and Lyman- haloes in a simulated protocluster

Jake S. Bennett, Aaron Smith, Fabrizio Arrigoni-Battaia +3

Galactic haloes host a complex, multiphase circumgalactic medium (CGM), and at high redshift are fed by cold, filamentary inflows. In contrast, mature galaxy clusters are dominated…

astro-ph.GA2026★ 1 cited

Figuring Out Gas & Galaxies in Enzo (FOGGIE). XV. Examining the Spatial and Kinematic Relationship between Circumgalactic Mg II and O VI

Mackenzie Ticoras, Brian W. O'Shea, Claire Kopenhafer +9

Understanding the thermodynamic properties of the circumgalactic medium (CGM) is key to uncovering the baryon cycle in galaxies. Here we present spatial and kinematic relationships…

astro-ph.GA2025

A Shocked Wind Interpretation of an Odd Radio Circle

Alison L. Coil, David S. N. Rupke, Serena Perrotta +2

Odd Radio Circles (ORCs) are a new class of extragalactic object, with large rings of faint radio continuum emission typically spanning 100s of kpc; their origins are unknown. Prev…

astro-ph.GA2025

Figuring Out Gas & Galaxies In Enzo (FOGGIE). XIV. The Observability of Emission from Accretion and Feedback in the Circumgalactic Medium with Current and Future Instruments

Vida Saeedzadeh, Jason Tumlinson, Molly S. Peeples +11

Observing the circumgalactic medium (CGM) in emission lines from ionized gas enables direct mapping of its spatial and kinematic structure, offering new insight into the gas flows…

astro-ph.GA2025

FOGGIE: Figuring Out Gas & Galaxies In Enzo XII. The Formation and Evolution of Extended HI Galactic Disks and Warps with a Dynamic Circumgalactic medium

Cameron W. Trapp, Molly S. Peeples, Jason Tumlinson +8

Atomic hydrogen (HI) is an important component of gas in and around galaxies and forms extended disk-like structures well beyond the extent of starlight. Here we investigate the pr…

astro-ph.GA2025

Figuring Out Gas & Galaxies In Enzo (FOGGIE) XI: Circumgalactic O VI Emission Traces Clumpy Inflowing Recycled Gas

Cassandra Lochhaas, Molly S. Peeples, Brian W. O'Shea +11

The circumgalactic medium (CGM) is host to gas flows into and out of galaxies and regulates galaxy growth, but the multiphase, diffuse gas in this region is challenging to observe.…

astro-ph.GA2025

X-ray emission signatures of galactic feedback in the hot circumgalactic medium: predictions from cosmological hydrodynamical simulations

Emily M. Silich, John ZuHone, Elena Bellomi +6

Little is currently known about the physical properties of the hot circumgalactic medium (CGM) surrounding massive galaxies. Next-generation X-ray observatories will enable detaile…

astro-ph.GA2025★ 1 cited

FOGGIE X: Characterizing the Small-Scale Structure of the CGM and its Imprint on Observables

Ramona Augustin, Jason Tumlinson, Molly S. Peeples +11

One of the main unknowns in galaxy evolution is how gas flows into and out of galaxies in the circumgalactic medium (CGM). Studies observing the CGM in absorption using multiple or…

astro-ph.GA2024

Figuring Out Gas & Galaxies in Enzo (FOGGIE). IX: The Angular Momentum Evolution of Milky Way-like Galaxies and their Circumgalactic Gas

Raymond C. Simons, Molly S. Peeples, Jason Tumlinson +10

We investigate the co-evolution of the angular momentum of Milky Way-like galaxies, their circumgalactic gas, and their dark matter halos using zoom-in simulations from the Figurin…

astro-ph.GA2024★ 1 cited

Figuring Out Gas & Galaxies In Enzo (FOGGIE) VIII: Complex and Stochastic Metallicity Gradients at z > 2

Ayan Acharyya, Molly S. Peeples, Jason Tumlinson +7

Gas-phase metallicity gradients are a crucial element in understanding the chemical evolution of galaxies. We use the FOGGIE simulations to study the metallicity gradients ($\nabla…

astro-ph.GA2023

Ionized Gas Extended Over 40 kpc in an Odd Radio Circle Host Galaxy

Alison L. Coil, Serena Perrotta, David S. N. Rupke +10

A new class of extragalactic astronomical sources discovered in 2021, named Odd Radio Circles (ORCs, Norris et al. 2021), are large rings of faint, diffuse radio continuum emission…

astro-ph.GA2023

Figuring Out Gas & Galaxies In Enzo (FOGGIE) VII: The (Dis)Assembly of Stellar Halos

Anna C. Wright, Jason Tumlinson, Molly S. Peeples +7

Over the next decade, the astronomical community will be commissioning multiple wide-field observatories well-suited for studying stellar halos in both integrated light and resolve…

astro-ph.GA2022★ 30 cited

Figuring Out Gas & Galaxies In Enzo (FOGGIE) VI: The Circumgalactic Medium of Galaxies is Supported in an Emergent, Non-Hydrostatic Equilibrium

Cassandra Lochhaas, Jason Tumlinson, Molly S. Peeples +9

The circumgalactic medium (CGM) is often assumed to exist in or near hydrostatic equilibrium with the regulation of accretion and the effects of feedback treated as perturbations t…

astro-ph.GA2021★ 22 cited

Figuring Out Gas & Galaxies In Enzo (FOGGIE) V: The Virial Temperature Does Not Describe Gas in a Virialized Galaxy Halo

Cassandra Lochhaas, Jason Tumlinson, Brian W. O'Shea +5

The classical definition of the virial temperature of a galaxy halo excludes a fundamental contribution to the energy partition of the halo: the kinetic energy of non-thermal gas m…

astro-ph.GA2020★ 20 cited

The Characteristic Momentum of Radiatively Cooling Energy-Driven Galactic Winds

Cassandra Lochhaas, Todd A. Thompson, Evan E. Schneider

Energy injection by supernovae may drive hot supersonic galactic winds in rapidly star-forming galaxies, driving metal-enriched gas into the circumgalactic medium and potentially a…

astro-ph.GA2020★ 48 cited

Space Telescope and Optical Reverberation Mapping Project. XII. Broad-Line Region Modeling of NGC 5548

P. R. Williams, A. Pancoast, T. Treu +155

We present geometric and dynamical modeling of the broad line region for the multi-wavelength reverberation mapping campaign focused on NGC 5548 in 2014. The dataset includes photo…

astro-ph.GA2020★ 41 cited

Figuring Out Gas & Galaxies In Enzo (FOGGIE). IV. The Stochasticity of Ram Pressure Stripping in Galactic Halos

Raymond C. Simons, Molly S. Peeples, Jason Tumlinson +9

We study ram pressure stripping in simulated Milky Way-like halos at z>=2 from the Figuring Out Gas & Galaxies In Enzo (FOGGIE) project. These simulations reach exquisite resolutio…

astro-ph.GA2020★ 79 cited

Space Telescope and Optical Reverberation Mapping Project. IX. Velocity-Delay Maps for Broad Emission Lines in NGC 5548

Keith Horne, G. De Rosa, B. M. Peterson +155

We report velocity-delay maps for prominent broad emission lines, Ly_alpha, CIV, HeII and H_beta, in the spectrum of NGC5548. The emission-line responses inhabit the interior of a…

astro-ph.GA2020★ 33 cited

Figuring Out Gas & Galaxies in Enzo (FOGGIE). III. The Mocky Way: Investigating Biases in Observing the Milky Way's Circumgalactic Medium

Yong Zheng, Molly S. Peeples, Brian W. O'Shea +6

The circumgalactic medium (CGM) of the Milky Way is mostly obscured by nearby gas in position-velocity space because we reside inside the Galaxy. Substantial biases exist in most s…

astro-ph.GA2019★ 82 cited

Direct Detection of Black Hole-Driven Turbulence in the Centers of Galaxy Clusters

Yuan Li, Marie-Lou Gendron-Marsolais, Irina Zhuravleva +16

Supermassive black holes (SMBHs) are thought to provide energy that prevents catastrophic cooling in the centers of massive galaxies and galaxy clusters. However, it remains unclea…

astro-ph.GA2019★ 45 cited

Properties of the Simulated Circumgalactic Medium

Cassandra Lochhaas, Greg L. Bryan, Yuan Li +2

The circumgalactic medium (CGM) is closely linked to galaxy formation and evolution, but difficult to characterize observationally and typically poorly resolved in cosmological sim…

astro-ph.GA2018★ 5 cited

A High Signal-to-Noise HST Spectrum Toward J1009+0713: Precise Absorption Measurements in the CGM of Two Galaxies

Cassandra Lochhaas, Smita Mathur, Stephan Frank +6

High signal-to-noise spectra toward background quasars are crucial for uncovering weak absorption in the circumgalactic medium (CGM) of intervening galaxies, such as the diagnostic…

astro-ph.GA2018★ 101 cited

Velocity-resolved reverberation mapping of five bright Seyfert 1 galaxies

G. De Rosa, M. M. Fausnaugh, C. J. Grier +99

We present the first results from a reverberation-mapping campaign undertaken during the first half of 2012, with additional data on one AGN (NGC 3227) from a 2014 campaign. Our ma…