A quick note on gethead of WCSTools – as I have needed many times (but obviously not that many to remember it!). Rather straightforward use: gethead HEADER_KEY image.fits (as simple as possibly!) If HEADER_KEY contains empty spaces then use double quotes, e.g. “HIERARCH TEL AIRM END”. Reminder: you have to …
After a long time I finally managed to understand how to use IRAF’s sbands, along with a standard star and a filter. 1. If you want to use a spectrum from the standard star library of IRAF, you have to convert it from a .dat file to an image file …
Ok, it is time to try this promising thing called BibTeX [1,2,3], which allows you to use only one file with references* (suppose MyBibTeX.bib). Then, it easy to add references in any document just by simple adding the file and the citations. Although it seems rather straightforward hot to make …