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Category Archives: Research
Uncertainty in Flux and Magnitude
I keep forgetting this sort of simple algebra (aging is no fun), so here’s a note. Define magnitude to be related to flux as follows: where is the zero point flux which defines the magnitude scale. Let be the magnitude … Continue reading
Python Utility for the UVBLUE Stellar Spectrum Library
I have a need to use spectra from UVBLUE, but they only supply IDL programs (who needs these any more?) to deal with the data. I want to use the spectra in Python, so I ported their program. Download it … Continue reading
Installing STSCI_PYTHON on Debian Squeeze
The version I use is 2.10. First, install IRAF, tables, and stsdas following this article. $ sudo aptitude install python-tk python-numpy python-pmw python-urwid $ sudo aptitude install libreadline6-dev python-matplotlib ipython $ wget http://stsdas.stsci.edu/download/stsci_python_2.10/stsci_python_2.10.tar.gz $ tar -xvzf stsci_python_2.10.tar.gz $ cd stsci_python_2.10 … Continue reading
Posted in Debian, Linux, Research, Squeeze
Tagged admin, astro, Debian/Squeeze, install procedure, Linux, research, software
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Installing IRAF on Debian Squeeze
IRAF doesn’t have a standard installation procedure using make tools, so it is no fun to install in any system. One solution is to go for Scisoft, but I don’t necessarily want to install a whole bunch of software that … Continue reading
Installing 64-bit CFITSIO 3.181 on Mac OS X Leopard
It turns out that the data I’m working on now are too big for 32-bit programs to handle!! So along side Scisoft OS X which is all 32-bit, I need to install 64-bit version of CFITSIO since many programs depend … Continue reading
Installing HOTPANTS 5.1.10 on Mac OS X Leopard
You must love the name, but what the software does is far from sultry; it’s a piece of geekware. Anyways, I needed to edit files when I install HOTPANTS, photometric alignment utility by Andrew Becker. Here is my installation note … Continue reading
SExtractor
Just a reminder for myself: The SExtractor convention is that the first pixel in a coordinate is indexed by one, not zero.
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python-sao
Man, pysao is extremely useful. Controlling DS9 from Python has never been easier. Thank you, whoever is developing the software.
PyRAF Tips
The Standard Calling Sequence for an IRAF Task within a Python Script This is just an example of how to run an IRAF task as if it is part of a Python module using PyRAF. It ensures that the task … Continue reading
KCorrect: kcorrect Python Port Project
By Taro Sato (taro at ap.smu.ca) NOTE: This is a page for my old side programming project, on astrophysical computing. I just moved it here since I haven’t been tracking access and therefore I don’t know if there has been … Continue reading