Spectroscopy

Poster: Mapping the Stellar Fossil Record of M101 with HETDEX: Spatially Resolved Ages and Metallicities featured image

Poster: Mapping the Stellar Fossil Record of M101 with HETDEX: Spatially Resolved Ages and Metallicities

A poster presentation about my work investigating the stellar populations and star formation history of M101 using data from the Hobby-Eberly Telescope Dark Energy eXperiment …

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Ray Garner
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Implications of Broad [OIII]4364 and UV Line Emission in Two Little Red Dots at z ~ 7 - 8

We present deep, NIRSpec G140M and G395M spectroscopy of Little Red Dots (LRDs) at z = 6.68 and z = 8.35. Both LRDs show broad Balmer and [O III]λ4364 emission. The broad [O …

casey-papovich
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When Is a Bulge Not a Bulge? Revealing the Satellite Nature of NGC 5474's Bulge featured image

When Is a Bulge Not a Bulge? Revealing the Satellite Nature of NGC 5474's Bulge

A satellite galaxy of the nearby spiral M101, NGC 5474 has a prominent bulge offset from the kinematic center of the underlying star-forming disk that has gained attention in …

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Ray Garner
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The Peculiar "Bulge" of NGC 5474 featured image

The Peculiar "Bulge" of NGC 5474

What is it? Hint: It's not a bulge! (Probably.)

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Ray Garner
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Spectroscopic Follow-up of Two Star-forming Objects in the M101 Field featured image

Spectroscopic Follow-up of Two Star-forming Objects in the M101 Field

We present the spectra of two faint star-forming objects originally identified in our deep narrowband survey of the M101 Group. One is an isolated H II region near the M101 Group …

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Ray Garner
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Determining the Timescale over Which Stellar Feedback Drives Turbulence in the Interstellar Medium: A Study of Four Nearby Dwarf Irregular Galaxies

Stellar feedback is fundamental to the modeling of galaxy evolution, as it drives turbulence and outflows in galaxies. Understanding the timescales involved are critical for …

laura-hunter-congreve
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