Positions of galactic X-ray sources - Galactic longitude between 20 and 55 deg

Details Positions of galactic X-ray sources - Galactic longitude between 20 and 55 deg Positions of galactic X-ray sources - Galactic longitude between 20 and 55 deg

Sep 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.269..112d&link_type=abstract

Nature, vol. 269, Sept. 8, 1977, p. 112-116. NASA-supported research.

Astronomy and Astrophysics

Astronomy

59

Galactic Radiation, Position (Location), Position Errors, Spaceborne Astronomy, X Ray Sources, Astrometry, Sas-3, Star Distribution, Stellar Magnitude, X Ray Astronomy, X Ray Stars

Scientific paper

Precise positions, determined with data from the SAS-3 X-ray observatory, are presented for eight galactic plane X-ray sources (Aql X-1, Ser X-1, 3U 1956+11, 3U 1822-00, 3U 1915-05, A 1845-02, A 1850-08, A 1905+00). Error radii for the positions range from 20 to 50 arc s. Previously proposed optical identifications of three of the sources (Ser X-1, 3U 1956+11, A 1850-08) are supported by these results. Three (Ser X-1, A 1905+00, 3U 1915-05) have been identified as X-ray burst sources.

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