New hard X-ray sources observed with HEAO-A2

Details New hard X-ray sources observed with HEAO-A2 New hard X-ray sources observed with HEAO-A2

Dec 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978stin...7923851m&link_type=abstract

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Astronomy and Astrophysics

Astronomy

Heao 1, X Ray Astronomy, X Ray Sources, Clumps, Galaxies, Radio Sources (Astronomy), Seyfert Galaxies, Tables (Data)

Scientific paper

A search for new hard X-ray sources using data from the first complete view of the sky with the HEAO-A2 experiment discovered 47 new sources, detected 7 sources recently discovered with other experiments, and significantly reduced the size of the error boxes for 6 previously known sources. Intensities and error boxes are given for each of these sources; identifications are suggested when an error contains an object similar to known X-ray sources. The new identifications consist of seven Type 1 Seyfert galaxies, including two whose Seyfert characteristics were discovered due to their location in an X-ray error box; one intermediate Seyfert galaxy; three Abell clusters; five N-galaxies; two bursting radio sources; and an additional three nearby galaxies with bright nuclei and narrow emission lines.

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