Update tutorials/FITS-tables/FITS_tables.ipynb

eblur · mwcraig · web-flow · commit 52d5e7875709 · 2022-07-22T13:44:32.000-04:00
Co-authored-by: Matt Craig &lt;mattwcraig@gmail.com&gt;
diff --git a/tutorials/FITS-tables/FITS_tables.ipynb b/tutorials/FITS-tables/FITS_tables.ipynb
@@ -23,7 +23,7 @@
     "\n",
     "## Summary\n",
     "\n",
-    "Chandra image data is stored in FITS files, frequently referred to as \"event lists\". Any time a photon interacts with the detector, the position, time, and energy of the photon (referred to as an \"event\") is stored. Thus Chandra event lists are stored as table data, where the position and energy information is stored in the columns and each row corresponds to a separate photon interaction.\n",
+    "Chandra image data is stored as a table in FITS files, frequently referred to as \"event lists\". Any time a photon interacts with the detector, the position, time, and energy of the photon (referred to as an \"event\") is stored. Thus Chandra event lists are stored as table data, where the position and energy information is stored in the columns and each row corresponds to a separate photon interaction.\n",
     "\n",
     "In this tutorial, we will use `astropy.utils.data` to download a Chandra FITS file, then use `astropy.io.fits` and `astropy.table` to open the file. Lastly, we will use `matplotlib` to visualize the Chandra event list as a histogram, effectively producing an X-ray image of the sky."
    ]

Original file line number	Diff line number	Diff line change
`@@ -23,7 +23,7 @@`
`23`	`23`	`"\n",`
`24`	`24`	`"## Summary\n",`
`25`	`25`	`"\n",`
`26`		`- "Chandra image data is stored in FITS files, frequently referred to as \"event lists\". Any time a photon interacts with the detector, the position, time, and energy of the photon (referred to as an \"event\") is stored. Thus Chandra event lists are stored as table data, where the position and energy information is stored in the columns and each row corresponds to a separate photon interaction.\n",`
	`26`	`+ "Chandra image data is stored as a table in FITS files, frequently referred to as \"event lists\". Any time a photon interacts with the detector, the position, time, and energy of the photon (referred to as an \"event\") is stored. Thus Chandra event lists are stored as table data, where the position and energy information is stored in the columns and each row corresponds to a separate photon interaction.\n",`
`27`	`27`	`"\n",`
`28`	`28`	"In this tutorial, we will use `astropy.utils.data` to download a Chandra FITS file, then use `astropy.io.fits` and `astropy.table` to open the file. Lastly, we will use `matplotlib` to visualize the Chandra event list as a histogram, effectively producing an X-ray image of the sky."
`29`	`29`	`]`