Category Archives: Research

Setting Up Astro Research Environment on Mac OS X Leopard

In my new research environment I have an iMac.  My preferred solution is Linux, but I figured that sometimes learning new things is a good thing (though I have to sacrifice my efficiency which I developed over the years using … Continue reading

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Astro Software in Debian Lenny

Here my goal is to build a computing environment where Python is the glue of all the astro-related tools (PyRAF, stsci_python, etc.). IRAF In order to use PyRAF, IRAF needs to be installed first. Python At the very least, I … Continue reading

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IRAF on Debian Lenny

Here is my installation note for IRAF (ver 2.14.1) on Debian Lenny. Basically, the installation procedure does not differ much from the one outlined in the official IRAF installation guide. First, create “iraf” user account to the system if it … Continue reading

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DEEP2 Pipeline Tips

Custom Extraction To run the DEEP2 pipeline with boxcar extraction with a specified sigma (4.0 here), do: $ echo ‘boxcar_domask,nlsky=0,nsig_boxcar=4.0′ | idl -32 > output.log Alternatively, use boxsprof_domask to use the boxsprof extraction algorithm.

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IRAF Tips

Printing Out Help When printing out a help for an IRAF task name iraftask, you may want to save papers by multicolumn printing using a2ps. cl> help iraftask | type dev=text > iraftask.txt cl> !a2ps iraftask.txt -2 –medium=letter -o iraftask.ps … Continue reading

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Sawicki & Thompson 2006, ApJ, 648, 299

Keck Deep Fields. III. Luminosity-dependent Evolution of the Ultraviolet Luminosity and Star Formation Rate Densities at z~4, 3, and 2 Glaxy UV luminosity density peaks at z = 1 ~ 3, sub-L* galaxies dominate the integrated UV luminosity UV luminosity … Continue reading

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