WCSTools programs

Subtract a Constant from FITS or IRAF images

subpix subtracts a constant from a specified pixel in a FITS or IRAF image. The image may be overwritten or a new image created.

Command Line Arguments

Name of IRAF image header file or FITS file. This must be present.
x y value
Image coordinate and value to be subtracted. This must be present.
Print more information about the process
Write the output to a new file which is named by inserting an e before the file extension. The new file is always written to the current working directory.

Last updated 17 September 2003 by Doug Mink

Telescope Data Center