I have pulled the EFIGI g images from a website and here I discuss how I cross-match these (PGC) galaxies to the RC3 and create a table file that can be used to view these 4458 galaxy images with point_selector.

I do this work in:    $scohtm/scocodes/finding_images/three_sets/efigi/work1

I start with the file listing the galaxy images: 
% fitsfind /media/sco/DataDisk1/sco/AD/EFIGI > list.efigi     
**** This make a list of the fullpath image names. 

I make a list of the names using a custom script named cat PG_LIST.bash:
% cat PG_LIST.bash 
#!/bin/bash
printf "Making a list of EFIGI galaxy names \n"
cp list.efigi A
sed 's/\/media\/sco\/DataDisk1\/sco\/AD\/EFIGI\/efigi-1.6\/ima_g\///g' A > B
sed 's/_g.fits//g' B > C
mv C PGC.Names
\rm -f A B
 
This creates the list of PGC names in the file = PGC.Names

I cross-match these names to get the RC3 index values
% rc3_name_match.sh PGC.Names N 
*** This takes just a few seconds to run on sco2019 and the 4458 indices are in the file:  rc3_name_match.indexrc3

I assemble the file of RC3 parameeters based on the RC3 index values from above
The quanitites I want are in the file = PARAMS 
% cat PARAMS 
B(T)_RC3  
(B-V)t    
(U-B)t    
logD25    
logR25    
Type_RC3  
% rc3_table_make.sh rc3_name_match.indexrc3 PARAMS N 
*** This also takes just a few seconds to run on sco2019 and creates the table file: RC3TAB
% ls
list.efigi  PGC.Names	   rc3_name_match.indexrc3  RC3TAB.parlab  RC3.variables  tabmake.out	  ttt
PARAMS	    PG_LIST.bash*  RC3TAB.images	    RC3TAB.table   S/		  tabmake.params

**** At thsi stage I can make a plot and view images with point_selector:
% point_selector RC3TAB Type_RC3 B-Vt N    

=============================
I make a table file of images based on general FITS header information: 
% survey_headers.sh list.efigi EX1 N 
*** This takes about 36 seconds for the 4458 EFIGI galaxies on sco2019 

Here are the results:
% cat EX1.parlab 
im         image table number 
uthrs      UT time (floating point hours)  
fil        filter name  
source     image source  
isoobs     observation time in ISO8601 format  
object     object name    
imbase     FITS image basename  

% head -5 EX1.table 
# data
    1  -9.000000 g     efigi    2006-04-22T08:14:15.00 PGC0035314           PGC0035314_g                  
    2  -9.000000 g     efigi    2006-04-22T14:43:05.00 PGC0046372           PGC0046372_g                  
    3  -9.000000 g     efigi    2006-04-22T12:14:00.00 PGC0040964           PGC0040964_g                  
    4  -9.000000 g     efigi    2006-04-22T14:55:54.00 PGC0047060           PGC0047060_g                 

**** I could use point_selector on EX1, but this is less intersting. 


Notice that the RC3 names are different in the rc3_table_make.sh code and 
the names in my parlab file (recognized by point_selector). Unfortunately 
I can use characters like "(" and ")" as arguments on the bash script command 
lines. So, I chnage the names on the fly in rc3_table_make.sh.