Data from a dead satellite

Details Data from a dead satellite Data from a dead satellite

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apopt..29..184c&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 29, Jan. 10, 1990, p. 184, 185.

Astronomy and Astrophysics

Astronomy

Data Retrieval, Heao 2, X Ray Astronomy, Data Bases, Data Reduction, Rosat Mission

Scientific paper

The Einstein Observatory, which was launched in November 1978 and disintegrated two and a half years later, produced a rich lode of X-ray data which were described in more than 300 papers. This paper describes the type of valuable data left on computer tapes, which might be hidden in a series of overlooked observations considered by most researchers as unusable. In particular, the analyses up to data utilized only the pointed observations covering about 10 percent of the sky, although the satellite's detectors remained switched on during the position-to-position slewing motion. The Smithsonian Astrophysical Observatory (SAO) team presently considers retrieving the slew data. By virtually covering the entire sky, the Einstein slew survey will fill many gaps in the record and may help explain some faint sources seen on deeper exposures. Problems involved in the recovery of slew data are discussed.

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