check for target scan

grisinv/invert.py

@@ -1755,9 +1755,12 @@ class VFISVpackage:
 
         # get the time of the first file
         _, self.header = fits.getdata(self.filenames[0], header=True, memap=True)
-
         # check if proper fits
-        self.check_fits(self.header)
+
+        if self.header["OBS_TRGT"] == 'USAF':
+            print("Looks like a target scan")
+            print_fail(f"Aborting.")
+            sys.exit()
 
         self.date_beg = datetime.fromisoformat(self.header["DATE-BEG"])
         self.date_obs = datetime.fromisoformat(self.header["DATE-OBS"])
@@ -1766,6 +1769,14 @@ class VFISVpackage:
         _, header_end = fits.getdata(self.filenames[-1], header=True, memap=True)
         self.date_end = datetime.fromisoformat(header_end["DATE-BEG"])
 
+        self.headerlist = []
+        if self.header['INSTRUME']  == 'GRIS-IFU':
+            for ifiles  in range(len(self.filenames)):
+                _, ifileheader = fits.getdata(self.filenames[ifiles], header=True, memap=True)
+                self.headerlist.append(ifileheader)
+
+
+
     def get_pixel_bounds(self):
         """Get the +/- width Angstrom bounds centered at the line"""