High-resolution map of G 339.6-0.1 and its possible association with 4U 1642-45

Details High-resolution map of G 339.6-0.1 and its possible association with 4U 1642-45 High-resolution map of G 339.6-0.1 and its possible association with 4U 1642-45

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.188...13h&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 188, July 1979, p. 13-18. Research supported by the Australian Research

Astronomy and Astrophysics

Astronomy

5

Astronomical Maps, Pulsars, Radio Sources (Astronomy), X Ray Sources, H Ii Regions, High Resolution, Hydrogen Ions, Hydrogen Recombinations, Photoabsorption, Radiative Recombination

Scientific paper

The possibility is considered that the X-ray source 4U 1642-45 is associated with the H II region G339.6-0.1. A high-resolution map of G339.6-0.1 at 1415 MHz shows that the X-ray source 4U 1642-45 is displaced from the center of the H II region. Furthermore, the X-ray source does not correspond with any point radio source within G339.6-0.1. Arguments based on the X-ray emissivity of 4U 1642-45 and the optical absorption to G339.6-0.1 do, however, place both objects at about 15 kpc. Data are listed on 15 point like radio sources within 0.6 deg of arc of G339.6-0.1, including the pulsar PSR 1641-45.

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