Next: CCD Operation Up: Charge Coupled Devices (CCDs) Previous: Charge Coupled Devices (CCDs) . ... However it is only now that a number of important X-ray astronomical applications of CCDs have reached critical development stages, so that this is an appropriate time to review the application of space-borne CCD instruments to cosmic X-ray astronomy, and highlight the particular concerns which are being addressed for X-ray instruments, as distinct from optical applications. ...

Astronomical Data Analysis Software and Systems VII ASP Conference Series, Vol. ... Integrating the ZGSC and PPM at the Galileo Telescope for On­line Control of Instrumentation F. Pasian, P. Marcucci, M. Pucillo and C. Vuerli Osservatorio Astronomico di Trieste, 34131 Trieste, Italy Email: pasian@ts.astro.it O. Yu. ... The two CD­ROMs make for relatively slow access times. ... The ZGSC and PPM catalogs will be accessed by means of the GUIDARES and XSKYMAP for a number of di#erent purposes including: . ...