... This can be used to overlay the position of fiducial stars onto an image, for example. Positions can be input manually or from a list. To position marks interactively display the image and then cl> noao no> images im> tv tv> tvmark 1 STDIN interactive+ type . to put dot at cursor position type + to put cross at cursor position type c to put circle at cursor position (must specify hidden parameter ``radii'') <ctrl>d to exit . ...

... Intro to HST Data Handbooks 8.0 May 2011 . ... data retrieval . file format . imset,STSDAS tasks for . ... images, general in STSDAS . images,imcalc task . ... spectra, tasks in IRAF . ... waivered FITS files . ... IRAF task I/O . ... IRAF,STSDAS . ... IRAF . ... data formats . ... STSDAS and IRAF tasks 1 , 2 . ... STSDAS tasks for . ... files, HST data . ... original IRAF format . ... basic, in IRAF/STSDAS . ... analysis, IRAF/STSDAS . ... waiverd FITS format . ... waivered FITS format . ...

Appendix C. Display Device Names . ... A "display device name" is a string description that uniquely identifies a display device; it follows the format "<type>-<number>", for example: "CRT-0", "CRT-1", "DFP-0", or "TV-0". ... Display device names can be used in the MetaMode, HorizSync, and VertRefresh X config options to indicate which display device a setting should be applied to. ... That is why specifying the display device name is preferable. ... Appendix B. X Config Options . ...

As a result of preceding actions the File opening dialog box appears and user is suggested to open the file with observations (the file may be created for the first time). ... To see the list of files with desirable extension in chosen folder define the type of extension with the help of File type drop-down list at the bottom of the dialog box. ... The name of the file will appear in File name dialog box. ... In case you want to open the file with new name, type it in the File name dialog box. ...

Set the display of the status bar, tool bar, locator bar, and properties associated with the display of the pointer position in the Locator bar. ... Set fixed point . ... When the fixed point is set, and the display format is (DX, DY), (DIST), or (R, Theta) then give the location relative to the fixed point. ... Set the fixed point to (0.0, 0.0). ... DX, DY] Display the delta in X and Y of the position of the mouse relative to the fixed point, or (0, 0) if no fixed point has been selected. ...

Next: Catalog Construction Up: Observations and Analysis Previous: Source Detections . ... It was assumed that the highest signal gives the most likely position of the source. ... Comparing the summed map with the maps from the individual energy ranges, the one which produced the smallest error box was chosen to represent the source position, as long as was greater than 4, a level chosen to reflect a reasonable degree of confidence in the detection. ...