[gnuastro-commits] master 21905a2d 2/4: Book: explain about output extension of 'astmkcatalog'

[Mohammad Akhlaghi]

branch: master
commit 21905a2dacd4dff012a84fba7f839a9e41bdf804
Author: Sepideh Eskandarlou <sepideh.eskandarlou@gmail.com>
Commit: Mohammad Akhlaghi <mohammad@akhlaghi.org>

    Book: explain about output extension of 'astmkcatalog'
    
    Until now, where we use the 'astmkcatalog', for the first time in the
    tutorial, we did not mentioned about the extensions.
    
    With this commit, about number of the output of `astmkcatalog` and what
    they are dirived, is explained.
---
 doc/gnuastro.texi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/doc/gnuastro.texi b/doc/gnuastro.texi
index 33f6f715..1c286e9e 100644
--- a/doc/gnuastro.texi
+++ b/doc/gnuastro.texi
@@ -3335,6 +3335,15 @@ $ astmkcatalog seg/xdf-f160w.fits --ids --ra --dec 
--magnitude --sn \
 
 @noindent
 From the printed statements on the command-line, you see that MakeCatalog read 
all the extensions in Segment's output for the various measurements it needed.
+Let's look at to the output of above command.
+You will see that the output of the MakeCatalog has two extensions.
+
+@example
+$ astfits cat/xdf-f160w.fits
+@end example
+
+The first extension shows the information obtained from the @code{OBJECTS}, 
and the second extension shows the information obtained from the @code{CLUMPS}.
+
 To calculate colors, we also need magnitude measurements on the other filters.
 So let's repeat the command above on them, just changing the file names and 
zero point (which we got from the XDF survey web page):