The CATalog Server, or CAT, is designed to help the user find select a star in a certain section region of the sky with the use of a star catalogfor sending to the TCS as a target. Given a Right Ascension and Declination from the user, it will display all the stars in a certain radius from the given point in a visual and a textual tabular format.
The above image is the default layout for CAT. It is separated into four components: The User's view, the Image view, the Table view, and the Science Target view. Each of the views can be minimized or maximized within the current window; they can also be deleted or separated from the perspective as well as be moved around at the user's discretion. The control for each view is located at the top of the view. And to move or separate, the user only needs to click and drag it to the desired location.For more in-depth help with each of the views, select one from the Views list