activity
20142026
most citedFollow up of GW170817 and its electromagnetic counterpart by Australian-led observing programs

212 citations · 692 across the 16 of their papers we have counts for

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Showing astro-ph.GAShow all

12 papers · 1 filter

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.GA2022★ 49 cited

Metallicity, ionization parameter, and pressure variations of HII regions in the TYPHOON spiral galaxies

K. Grasha, Q. H. Chen, A. J. Battisti +12

We present a spatially-resolved HII region study of the gas-phase metallicity, ionization parameter, and ISM pressure maps of 6 local star-forming and face-on spiral galaxies from…

astro-ph.GA2021★ 30 cited

KODIAQ-Z: Metals and Baryons in the Cool Intergalactic and Circumgalactic Gas at 2.2<z<3.6

Nicolas Lehner, Claire Kopenhafer, John O'Meara +8

We present the KODIAQ-Z survey aimed to characterize the cool, photoionized gas at 2.2<z<3.6 in 202 HI-selected absorbers with 14.6<log N(HI)<20, i.e., the gaseous interface betwee…

astro-ph.GA2021★ 79 cited

The physics of gas phase metallicity gradients in galaxies

Piyush Sharda, Mark R. Krumholz, Emily Wisnioski +3

We present a new model for the evolution of gas phase metallicity gradients in galaxies from first principles. We show that metallicity gradients depend on four ratios that collect…

astro-ph.GA2021★ 47 cited

On the origin of the mass-metallicity gradient relation in the local Universe

Piyush Sharda, Mark R. Krumholz, Emily Wisnioski +3

In addition to the well-known gas phase mass-metallicity relation (MZR), recent spatially-resolved observations have shown that local galaxies also obey a mass-metallicity gradient…

astro-ph.GA2020★ 19 cited

A Comparison of Rest-frame Ultraviolet and Optical Emission-Line Diagnostics in the Lensed Galaxy SDSS J1723+3411 at Redshift z=1.3293

J. R. Rigby, Michael Florian, A. Acharyya +13

For the extremely bright lensed galaxy SDSS J1723+3411 at z=1.3293 , we analyze spatially integrated MMT, Keck, and Hubble Space Telescope spectra that fully cover the rest-frame w…