split creation script update that adds exptime

utils/create_splits.py

@@ -101,6 +101,7 @@ def make_split_jsonl_files(
                     image_id = os.path.basename(file).split(".fits")[0]
                     ra = hdul["SCI"].header.get("CRVAL1", 0)
                     dec = hdul["SCI"].header.get("CRVAL2", 0)
+                    exptime = hdul[0].header.get("EXPTIME", -1)
                     pixscale = calculate_pixel_scale(hdul[1].header)
                     footprint = get_fits_footprint(file)
                     item = {
@@ -109,7 +110,8 @@ def make_split_jsonl_files(
                         "ra": ra,
                         "dec": dec,
                         "pixscale": pixscale,
-                        "footprint": footprint
+                        "exposure_time": exptime,
+                        "footprint": footprint,
                     }
                     out_f.write(json.dumps(item) + "\n")