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Stacking optical spectra of galaxies
Here’s a short animation showing the effects of stacking up spectra. Measuring the intensities and equivalent widths of emission lines can be tricky in galaxy spectra where the signal-to-noise (S/N) is low, mostly due to difficulty in determining the baseline … Read more
Posted in Code, Data Analysis
Tagged python, spectroscopy
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Solutions to errors with APLpy show_regions()
Trying to display Ds9 region files on top of APLpy plots threw up two errors. Creating an aplpy.FITSFigure subplot using some standard code in a python script worked fine, until the line where the show_regions() call to pyregion encountered an … Read more
MethylCal: A Python project for Windows
This week, I jumped on the opportunity to apply my skills to a different field of research. On Tuesday, researchers working in the Stem Cells, Ageing and Molecular Physiology Unit at the Research Institute for Sport and Exercise Sciences, Liverpool … Read more
Posted in Data Analysis, Programming, Research
Tagged cross-platform programming, DNA methylation, epigenetics, interdisciplinary, python
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Creating figures from FITS images with APLpy
The Python module APLpy is a great tool for plotting professional-looking astro images. Short for Astronomical Plotting Library in Python, APLpy aims to produce publication-quality plots of astronomical images in FITS file format. As I’ve been using it a lot … Read more