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Sersic Profiles in ARTDATA
- Friday, February 25 2011 @ 05:39 PM GMT
- Contributed by: valdes
- Views: 2,720
It has become common for people to use Sersic model profiles for galaxy simulations. ARTDATA only had exponential disks (Sersic index of 1) and De Vaucouleurs model (Sersic index of 4). General Sersic profiles have been added to ARTDATA for future releases of the noao package and is also available now as a patch. The patch installation instructions are below.
Installation of the ARTDATA patch for Sersic Profiles This patch provides the ability to generate Sersic profiles of various indices. This is done by adding a new model type, sersic, to those which can be specified in the input object list. So there are no parameter changes or significantly different usage. The new model is described in the updated help page for the MKOBJECTS task which will be installed. The patch files contain a binary (linked against IRAF 2.15), an updated help page, and the new source file (though recompiling is not needed since the binaries are provided). To install you must have permission to modify a few files in the noao package (usually installed at /iraf/iraf//noao). If you don't have permission or can't get your system administrator to install it, contact us at iraf.net for instructions for how to override the default binary to your private version. 1. Get the readme (this document) and the patch file for your architecture: ftp:iraf.noao.edu/iraf/extern-215/artdatasersic.readme ftp:iraf.noao.edu/iraf/extern-215/artdatasersic-.tgz For V2.14 Linux installations get the linux architecture and then move the binary from bin.linux to the appropriate bin directory (e.g. bin.redhat). 2. The patch file is unpacked in the top-level of the noao package: cd /iraf/iraf//noao tar zxvf /artdatasersic-.tgz
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