Galaxy Interaction

A Dynamic Galaxy: Stellar Age Patterns across the Disk of M101 featured image

A Dynamic Galaxy: Stellar Age Patterns across the Disk of M101

Using deep, narrowband imaging of the nearby spiral galaxy M101, we present stellar age information across the full extent of the disk of M101. Our narrowband filters measure …

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Ray Garner
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Investigating the Galactic Evolution of M101 with Deep Narrowband Imaging featured image

Investigating the Galactic Evolution of M101 with Deep Narrowband Imaging

In this thesis, I present a series of in-depth studies on the nearby spiral galaxy M101 and its group environment. The M101 Group is a dynamic group, and thus it contains features …

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Ray Garner
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Investigating the M101 Group with Deep Narrowband Imaging featured image

Investigating the M101 Group with Deep Narrowband Imaging

15-minute dissertation talk given to the AAS in January 2023.

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Ray Garner
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Deep Narrowband Photometry of the M101 Group: Strong-line Abundances of 720 HII Regions featured image

Deep Narrowband Photometry of the M101 Group: Strong-line Abundances of 720 HII Regions

We present deep, narrowband imaging of the nearby spiral galaxy M101 and its satellites to analyze the oxygen abundances of their H II regions. Using Case Western Reserve …

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Ray Garner
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A Deep Census of Outlying Star Formation in the M101 Group featured image

A Deep Census of Outlying Star Formation in the M101 Group

We present deep, narrowband imaging of the spiral galaxy M101 and its group environment to search for star-forming dwarf galaxies and outlying HII regions. We find no large …

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Ray Garner
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iPoster @ AAS

Presentation of my first graduate project, "Searching for Extragalactic Star Formation in the M101 Group", at the 237th Meeting of the AAS as a virtual iPoster.

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Ray Garner
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