HII Regions

SIGNALS on the mixing of oxygen and nitrogen in the spiral galaxy NGC 6946 featured image

SIGNALS on the mixing of oxygen and nitrogen in the spiral galaxy NGC 6946

As part of the SIGNALS survey, which comprises a sample of approximately 40 nearby galaxies observed with the Fourier transform spectrometer SITELLE, we present a study of metal …

fabio-bresolin
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SIGNALS of Star Formation in Local Galaxies featured image

SIGNALS of Star Formation in Local Galaxies

An invited seminar talk about the collaboration SIGNALS. Using data from the SIGNALS survey and the SITELLE spectrograph, I highlight how we analyze HII regions to study their …

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Ray Garner
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Astronomy on Tap: Star-forming Regions and How to Read Them featured image

Astronomy on Tap: Star-forming Regions and How to Read Them

What are star-forming regions? What do the different colors mean in the images from Hubble? This talk will answer those questions and more!

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Ray Garner
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NGC 628 in SIGNALS: Explaining the Abundance-Ionization Correlation in HII Regions featured image

NGC 628 in SIGNALS: Explaining the Abundance-Ionization Correlation in HII Regions

An oral presentation about my work investigating the correlation between the ionization parameter and oxygen abundance in NGC 628.

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Ray Garner
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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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Exploring the Correlation of Oxygen Abundance and Ionization Parameter in NGC 628 with SIGNALS featured image

Exploring the Correlation of Oxygen Abundance and Ionization Parameter in NGC 628 with SIGNALS

A poster presentation displaying ongoing work into the oxygen abundance and ionization parameter in NGC 628

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Ray Garner
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The Physical Properties of HII Regions in SIGNALS featured image

The Physical Properties of HII Regions in SIGNALS

A general overview of my research into the correlation between ionization parameter and oxygen abundance for HII regions in the local universe using data from the SIGNALS project. …

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Ray Garner
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Journey Through the Night Sky featured image

Journey Through the Night Sky

Talking to the Brazos Valley Astronomy Club about the wonders of the night sky, told as a journey through history.

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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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