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Milky way halo objects, IC 4499 and the large magellanic cloud

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thesis
posted on 2023-05-27, 14:47 authored by Warren HankeyWarren Hankey
The work described in this thesis is that of the candidate alone, except where otherwise acknowledged in the text. The observations of IC 4499 at the AAT were carried out by my supervisor Dr. Andrew A. Cole but the candidate was responsible for the reduction process and all subsequent analysis. The IC 4499 material in this thesis was published in the Monthly Notices of the Royal Astronom- ical Society, volume 411, pages 1536 to 1546, March 2011, with the candidate as first author and with Dr. Cole as co-author contributing part of the discussion. MNRAS hold the copyright for that content, and access to the material should be sought from the journal. The remaining non published content of the thesis may be made available for loan and limited copying and communication in accordance with the Copyright Act 1968. The Monte Carlo Markov Chain program to estimate the velocity dispersion and mass in IC 4499 was scripted in R by Dr. Simon Wotherspoon. The candidate substantially adapted the code and methodology to the larger problem of estimation of LMC rotation model parameters. LMC target selection, field plate setup, sky-fibre, and guide star placement were all carried out by the candidate, Dr. Cole travelled to the AAT to assist with the final LMC observations. Reduction and analysis of the LMC data is that of the candidate alone. Dr. Cole performed a calibration check of the LMC metallicity results and Appendix D is entirely his work. Thanks to Dr. Cole for encouragement, discussions and assistance. Observations at the Mount Pleasant radio telescope supporting the JAXA Selene Moon mission resulted in a co-author credit in Radio Science, volume 45, number 2, April 2010. Travel support for observing was provided by the Anglo-Australian Observatory (AAO). The AAO was funded by the British and Australian governments. Thanks to AAT support astronomer Dr. Rob Sharp and night assistant Winston Campbell for their assistance during the observing run.

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Copyright 2014 the Author Chapter 3 has been published as: Radial velocity and metallicity of the globular cluster IC4499 obtained with AAOmega. This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society Copyright: 2010 the authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.

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