Narrowband

Peculiar Stellar Ages of the Peculiar Dwarf Galaxy NGC 5474 featured image

Peculiar Stellar Ages of the Peculiar Dwarf Galaxy NGC 5474

Using deep, narrowband imaging of the nearby peculiar spiral galaxy NGC 5474, we present stellar age information across its disk and offset bulge. As shown in earlier work on M101, …

liv-moody
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Implications on star formation rate indicators from H II regions and diffuse ionized gas in the M101 Group featured image

Implications on star formation rate indicators from H II regions and diffuse ionized gas in the M101 Group

We examine the connection between diffuse ionized gas (DIG), H II regions, and field O and B stars in the nearby spiral M101 and its dwarf companion NGC 5474 using ultra-deep Hα …

aaron-e.-watkins
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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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Stellar Age Patterns Across the Disk of M101 with Narrowband Imaging featured image

Stellar Age Patterns Across the Disk of M101 with Narrowband Imaging

An invited talk at the CEFCA about my work on the stellar ages and spiral arm dynamics of M101.

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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

An invited talk at the University of Toronto to talk about my PhD thesis work with narrowband imaging of M101.

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

PhD Thesis: Investigating the Galactic Evolution of M101 with Deep Narrowband Imaging

My PhD thesis defense summarizing the research and work I have done in the last five years as a PhD student in the Astronomy Department.

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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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Becoming Galactic Detectives! featured image

Becoming Galactic Detectives!

My PhD thesis but for a general audience.

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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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