activity
20132026
most citedQuasars That Have Transitioned from Radio-quiet to Radio-loud on Decadal Timescales Revealed by VLASS and FIRST

95 citations · 559 across the 64 of their papers we have counts for

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Showing 2023Show all

10 papers · 1 filter

astro-ph.GA2023

JWST Reveals Star Formation Across a Spiral Arm in M33

J. Peltonen, Erik Rosolowsky, Thomas G. Williams +13

Young stellar objects (YSOs) are the gold standard for tracing star formation in galaxies but have been unobservable beyond the Milky Way and Magellanic Clouds. But that all change…

astro-ph.GA2023

The PHANGS-AstroSat Atlas of Nearby Star Forming Galaxies

Hamid Hassani, Erik Rosolowsky, Eric W. Koch +29

We present the Physics at High Angular resolution in Nearby GalaxieS (PHANGS)-AstroSat atlas, which contains ultraviolet imaging of 31 nearby star-forming galaxies captured by the…

astro-ph.GA2023

A Two-Component Probability Distribution Function Describes the mid-IR Emission from the Disks of Star-Forming Galaxies

Debosmita Pathak, Adam K. Leroy, Todd A. Thompson +28

High-resolution JWST-MIRI images of nearby spiral galaxies reveal emission with complex substructures that trace dust heated both by massive young stars and the diffuse interstella…

astro-ph.GA2023★ 1 cited

Where do stars explode in the ISM? -- The distribution of dense gas around evolved massive stars in M33

Sumit K. Sarbadhicary, Jordan Wagner, Eric W. Koch +27

The effect of supernovae (SNe) on star-formation in the interstellar medium (ISM) depends sensitively on where SNe explode with respect to ISM clouds. Observationally, SN ISM envir…

astro-ph.GA2023★ 23 cited

Quantifying the energy balance between the turbulent ionised gas and young stars

Oleg V. Egorov, Kathryn Kreckel, Simon C. O. Glover +19

We investigate the ionised gas morphology, excitation properties, and kinematics in 19 nearby star-forming galaxies from the PHANGS-MUSE survey. We directly compare the kinetic ene…

astro-ph.HE2023★ 6 cited

Radio Observations of Six Young Type Ia Supernovae

C. E. Harris, Sumit K. Sarbadhicary, L. Chomiuk +3

Type Ia supernovae (SNe Ia) are important cosmological tools, probes of binary star evolution, and contributors to cosmic metal enrichment; yet, a definitive understanding of the b…

astro-ph.HE2023★ 17 cited

The Early Light Curve of SN 2023bee: Constraining Type Ia Supernova Progenitors the Apian Way

Griffin Hosseinzadeh, David J. Sand, Sumit K. Sarbadhicary +39

We present very early photometric and spectroscopic observations of the Type Ia supernova (SN Ia) 2023bee, starting about 8 hr after the explosion, which reveal a strong excess in…

astro-ph.GA2023★ 40 cited

Quantifying the energetics of molecular superbubbles in PHANGS galaxies

E. J. Watkins, K. Kreckel, B. Groves +26

Star formation and stellar feedback are interlinked processes that redistribute energy and matter throughout galaxies. When young, massive stars form in spatially clustered environ…

astro-ph.GA2023★ 2 cited

Serendipitous Nebular-phase JWST Imaging of SN Ia 2021aefx: Testing the Confinement of 56-Co Decay Energy

Ness Mayker Chen, Michael A. Tucker, Nils Hoyer +29

We present new 0.3-21 micron photometry of SN 2021aefx in the spiral galaxy NGC 1566 at +357 days after B-band maximum, including the first detection of any SN Ia at >15 micron. Th…

astro-ph.HE2023★ 4 cited

Synchrotron emission from double-peaked radio light curves of the symbiotic recurrent nova V3890 Sagitarii

Miriam M. Nyamai, Justin D. Linford, James R. Allison +4

We present radio observations of the symbiotic recurrent nova V3890 Sagitarii following the 2019 August eruption obtained with the MeerKAT radio telescope at 1.28 GHz and Karl G. J…