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Astrophysicist at University of Queensland

I’m Sarah Sweet, an Astrophysicist at the University of Queensland.

I study galaxy formation and evolution.

I'm interested in the formation and evolution of galaxies of various sizes across different environments and redshifts. I investigate the metallicities and kinematics of star-forming galaxies with multi-object and integral field spectroscopy. I use high-resolution adaptive optics imaging to trace the evolution of galaxies over cosmic time.

  • Angular Momentum

    Angular Momentum Distribution

    Angular Momentum

    Preview
  • Galaxy Morphology

    NIR Adaptive Optics Galaxy Evolution

    Galaxy Morphology

    How do the compact, massive galaxies at high redshift become today's giant ellipticals?

    Preview
  • SAMI Zoom

    SAMI Zoom Survey

    SAMI Zoom

    Resolving the long-standing discrepancy between metallicity calibrations using the SAMI instrument to zoom in on HII regions.

    Preview
  • Choirs

    Choirs, HI Galaxy Groups

    Choirs

    Choirs are a type of gas-rich galaxy group, found in the Survey for Ionization in Neutral Gas Galaxies, that contain multiple star-forming galaxies.

    Preview
  • Choirs

    Dwarf Galaxy Metallicity

    Luminosity-Metallicity Relation

    Dwarf galaxies that form in tidal interactions between metal-rich giants are themselves metal-rich. I present the luminosity-metallicity relation as a diagnostic for their idenfication.

    Preview
  • Choirs

    Dwarf Galaxy Kinematics

    Kinematics

    Can dwarf galaxies that form in tidal interactions survive and be detected by their kinematics?

    Preview
  • SAMI Galaxy Survey

    SAMI Galaxy Survey

    SAMI Galaxy Survey

    Sydney Australian Astronomical Observatory Multi-object Integral Field Spectrograph (SAMI) is a new instrument at the Anglo-Australian Telescope. The SAMI survey will provide spatially-resolved spectra of thousands of galaxies.

    Preview

Academic Appointments

Lecturer in Astrophysics

The University of Queensland

2020-

Spatially-resolved galaxy evolution

Postdoctoral Research Fellow

Swinburne University of Technology

2017-2019

Angular momentum

Postdoctoral Research Fellow

Australian National University

2014-2016

The morphological evolution of galaxies with cosmic time

Education

PhD (Astrophysics)

University of Queensland

2011-2014

Tidal dwarf galaxies in HI-rich groups

Graduate Certificate in Research Commercialisation

University of Queensland

2011-2012

Courses: Developing Business from Science, Entrepreneurship, Commercialisation in Practice, Uniquest Internship

Bachelor of Science, Physics Honours Class I

University of Queensland

2009-2010

Summer Research Scholar and Honours Project: Formation of Ultra-compact Dwarf Galaxies.

Bachelor of Science, Mathematics

University of Queensland

1999-2002

Dean's Commendation for High Achievement

Bachelor of Business Management

University of Queensland

1999-2002

Dean's Honour Roll

Observational Astronomy Experience

GSAOI (Gemini South Adaptive Optics Imager)

Gemini Observatory, Chile

2014-2015

GMOS-S

Gemini Observatory, Chile

2014

SAMI (Sydney AAO Multi-object Integral Field Spectrograph)

Anglo Australian 3.9 m Telescope, Siding Spring Observatory, Australia

2013-2015

DECam (Dark Energy Camera)

Blanco 4 m Telescope, Cerro Tololo Inter-American Observatory, Chile

2013-2014

DEIMOS

Keck 2 10 m Telescope, W. M. Keck Observatory, Mauna Kea

2013

WiFeS (Wide Field Integral Field Spectrograph)

ANU 2.3 m Telescope, Siding Spring Observatory, Australia

2011-2015

Mosaic 2 Camera

Blanco 4 m Telescope, Cerro Tololo Inter-American Observatory, Chile

2010

Academic Experience

Physics Lab Tutor

University of Queensland

Excellence in Tutoring Prize, 2012/2013

2009-2014

Physics Teaching Lab Manager

University of Queensland

2012

Cosmology and Special Topics Lectures

Kyung Hee University students, University of Queensland

2012,2014

Oral Presentations (Selected)

The Future and Science of Gemini, Toronto

An adaptive optics view of the morphological evolution of galaxies between 1 < z < 2

2015

Australian Gemini, Magellan and Keck Science Symposium, AAO

An adaptive optics view of the morphological evolution of galaxies between 1 < z < 2

2015

Astronomical Society of Australia (ASA)

Annual Scientific Meetings

2012,2013,2014,2015

Swinburne University

Colloquium

2015

AURA, La Serena

Colloquia

2013,2014,2015

Rencontres de l'Observatoire de Paris ESO Workshop

Tidal dwarf galaxies and the luminosity-metallicity relation

2013

Swinburne Spheroidal Workshop

Tidal dwarf galaxy candidates in gas-rich groups

2012

Skills

Languages

English (native), Spanish (limited), Japanese (elementary), Italian (elementary), French (elementary)

Software

Adobe Acrobat & Creative Suite, Dropbox, DS9, Emacs, GALFIT, GIMP, Google Apps, IDL, IRAF, LaTeX & BibTeX, MS Office, python, pywifes, RMODEL, SExtractor/SCAMP/SWarp, Stellarium, UHSPECFIT, XMind, YNAB, standard OSX packages

General

Public Speaking, Administration, Writing, Time Management

Silver Spoon Galaxies | Dr. Sarah Sweet | TEDxBrisbane

2013 UQ Finalist - Sarah Sweet from Three Minute Thesis (3MT™) on Vimeo.

Contact me

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