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Michael Murphy's Projects

alpha_solartwins22 icon alpha_solartwins22

Supplementary code and data for constraining variations in the fine-structure constant between solar twin stars (Murphy et al. 2022, submitted)

alpha_subaru_2017 icon alpha_subaru_2017

Quasar spectra and absorption profile fits associated with Murphy & Cooksey (2017, MNRAS, accepted)

alpha_zncrii_2016 icon alpha_zncrii_2016

Quasar spectra and absorption profile fits associated with Murphy, Malec & Prochaska (2016, MNRAS, accepted, doi:10.1093/mnras/stw1482)

espresso_he0515-4414 icon espresso_he0515-4414

VLT/ESPRESSO spectra of HE0515-4414 and absorption profile fits associated with Murphy et al. (2021, A&A, submitted)

findabs icon findabs

Fortran code for interactively identifying absorption systems in a quasar spectrum

hires_redux_swinburne icon hires_redux_swinburne

Version of the HIRES REDUX code released by J. Xavier Prochaska. Modifications are by the Quasar Group at Swinburne University of Technology, mainly with the aim of improving the wavelength calibration with minimal work after an initial "normal" reduction run

mmatomdat icon mmatomdat

Laboratory atomic data for fitting quasar absorption line spectra with the "Many Multiplet" method for constraining cosmological variations in the fine-structure constant

sdss_qsosel_bernet icon sdss_qsosel_bernet

Here we provide the code we used in our analysis (Murphy, M.T, Bernet, M.L., 2015, MNRAS, submitted) to test for a dust bias. This code is an implementation of the SDSS QSO selection algorithm as outlined in Richards G. T. et al., 2002, AJ, 123, 2945

splot icon splot

Spectrum PLOT: Plot multiple spectra, particularly the data chunk output of the program findabs

uves_headsort icon uves_headsort

Sort ESO/VLT UVES exposures based on header-card values and write out reduction scripts (for the MIDAS and CPL pipelines).

uves_popler icon uves_popler

UVES POst PipeLine Echelle Reduction (UVES_popler): For combining multiple echelle spectroscopy exposures into a single spectrum

uves_squad_dr1 icon uves_squad_dr1

First data release of the UVES Spectral Quasar Absorption Database (SQUAD)

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