The ARCHANGEL galaxy photometry system is a self-contained package to perform a full surface photometry analysis of optical and near-IR galaxy images. The package can be accessed through a web server (where you are now) or as a standalone system running under Python and X-windows. The current design is such that the web server is intended for simple usage (a few galaxies to be analyzed). For power users, it is strongly recommended that you install the tarball on your local computer.

For information on how the package works, details and examples of how it is used, please refer to the preprint at astro-ph/0703646.

The portal to the web server asks two questions, a user ID and a data file to be uploaded. Additional information on each of the package's subroutines and tools can be found by clicking on the <<< Explain tags.

User:

This is a fiducial ID assigned to each user. A directory space is temporarily assigned to each user ID so that returning to the site does not involving reloading data. The ID must be less than 10 characters long and contain only letters (upper or lowercase).

If you have a image already on the server, enter your user ID and select "Use Old File".

Use An Old Image:

This will direct you to your user area to select a image you previously were working on.

Grab Image Off Web:

This will prompt you for a ftp or http address of the data file you wish to analyze. Note that the image must be in FITS format, end in a .fits suffix, be less than 1024x1024 pixels in size. The .fits suffix is necessary since many intermediate files will be produced during the analysis process, and this helps us keep track of the original file. The image must be located on some network location that the scripts can reach. The most common error at this point is mistyping the address, please double-check your location.

Upload New Image:

You will be queried to upload an image from your local machine.

If you encounter any problems, or questions, please contact me at js@abyss.uoregon.edu.