saods9 - image display tool for astronomy

DS9 is the modern imtool used by astronomers. It is most distinguished by its support for displaying 16 bit greyscale images (such as FITS). Most tools (such as GIMP and Photoshop) will read an approximation to such files, and only store the most significant 8 bits of data. DS9 works in full precision, and uses various display parameters to map input data of high dynamic-range into 8 bit data which can be displayed on the screen.

Available parameters include: brightness, contrast, false color, and nonlinear input mapping (such as logarithm, square root, square, etc.)

Although it may be useful in other fields, DS9 includes a fair number of features specific to astronomy. There is an astronomical "name resolver" which allows a lookup of an arbitrary named object to its coordinates. Given the coordinates of a field, online archive servers may be queried, and an image retrieved. DS9 thusly implements a preliminary "Virtual Observatory".

DS9 is entirely controllable from external programs ("XPA"), which simplifies complex tasks such as realtime or batch analysis.

Images may be aligned by their WCS (World Coordinate System) keywords, and then "blinked" to search for moving objects.

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Homepage:	-
Package version:	3.0.3-1
Architecture:	i386
Distribution:	Debian
Filename:	saods9_3.0.3-1_i386.deb