Using multi-band photometry and HI surveys to estimate the galactic baryonic mass function

Angus Hooper Wright

doi:10.4225/23/594a0c6adf0c5

Using multi-band photometry and HI surveys to estimate the galactic baryonic mass function

Angus Hooper Wright

Research output: Thesis › Doctoral Thesis

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Abstract

We utilise multi-wavelength imaging to estimate the low-redshift stellar and baryonic mass functions. We require robust photometry to accurately measure each galaxy's spectral energy distribution, and HI flux estimates for sources in our sample. We created a bespoke program optimised for measuring robust photometry: the Lambda Adaptive Multi-Band Deblending Algorithm in R (LAMBDAR). We also use wide-field radio surveys to perform optically motivated HI measurements for all galaxies within the volume. These stellar mass and cold gas estimates are used to provide a revised estimate of the baryonic density of the Universe from the Galaxy and Mass Assembly (GAMA) Survey low-z sample.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Award date	9 Jun 2017
DOIs	https://doi.org/10.4225/23/594a0c6adf0c5
Publication status	Unpublished - 2017

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10.4225/23/594a0c6adf0c5

THESIS - DOCTOR OF PHILOSOPHY - WRIGHT Angus - 2017 - Part 1
THESIS - DOCTOR OF PHILOSOPHY - WRIGHT Angus - 2017 - Part 2
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Cite this

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title = "Using multi-band photometry and HI surveys to estimate the galactic baryonic mass function",

abstract = "We utilise multi-wavelength imaging to estimate the low-redshift stellar and baryonic mass functions. We require robust photometry to accurately measure each galaxy's spectral energy distribution, and HI flux estimates for sources in our sample. We created a bespoke program optimised for measuring robust photometry: the Lambda Adaptive Multi-Band Deblending Algorithm in R (LAMBDAR). We also use wide-field radio surveys to perform optically motivated HI measurements for all galaxies within the volume. These stellar mass and cold gas estimates are used to provide a revised estimate of the baryonic density of the Universe from the Galaxy and Mass Assembly (GAMA) Survey low-z sample.",

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AB - We utilise multi-wavelength imaging to estimate the low-redshift stellar and baryonic mass functions. We require robust photometry to accurately measure each galaxy's spectral energy distribution, and HI flux estimates for sources in our sample. We created a bespoke program optimised for measuring robust photometry: the Lambda Adaptive Multi-Band Deblending Algorithm in R (LAMBDAR). We also use wide-field radio surveys to perform optically motivated HI measurements for all galaxies within the volume. These stellar mass and cold gas estimates are used to provide a revised estimate of the baryonic density of the Universe from the Galaxy and Mass Assembly (GAMA) Survey low-z sample.

KW - Galaxy evolution

U2 - 10.4225/23/594a0c6adf0c5

DO - 10.4225/23/594a0c6adf0c5

M3 - Doctoral Thesis

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Using multi-band photometry and HI surveys to estimate the galactic baryonic mass function

Abstract

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