The HEAO A-1 X-ray source catalog

Details The HEAO A-1 X-ray source catalog The HEAO A-1 X-ray source catalog

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apjs...56..507w&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 56, Dec. 1984, p. 507-649. NASA-Navy-supported research.

Astronomy and Astrophysics

Astronomy

335

Astronomical Catalogs, Heao 1, Spaceborne Astronomy, X Ray Sources, Cataclysmic Variables, Galactic Clusters, Pulsars, Quasars, Seyfert Galaxies, Sky Surveys (Astronomy), Supernova Remnants, Tables (Data)

Scientific paper

The catalog of X-ray sources detected during the NRL Large Area Sky Survey (LASS) with the HEAO 1 satellite is presented. The catalog is derived from the first six months of data from HEAO 1 and includes sources detected during one full scan. Positions and intensities for a total of 842 different sources are included, with a limiting flux of 250 nJy at 5 keV. The catalog is more than 90 percent complete at a flux level equivalent to 1.5 microjoules at 5 keV for a Crab-like spectrum. Cross-references with published literature are provided and coincidental identifications are proposed for some of the sources which have been never studied before. A cross-sectional line drawing of the sensor module of HEAO I is also provided.

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