Shifts of the Al-26 line due to Galactic rotation

Details Shifts of the Al-26 line due to Galactic rotation Shifts of the Al-26 line due to Galactic rotation

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aipc..232..168s&link_type=abstract

IN: Gamma-ray line astrophysics; Proceedings of the International Symposium, Paris, France, Dec. 10-13, 1990 (A92-43619 18-90).

Astronomy and Astrophysics

Astrophysics

3

Aluminum 26, Galactic Rotation, Gamma Ray Astronomy, Line Spectra, Nuclear Astrophysics, Astronomical Spectroscopy, Line Shape, Radioactive Isotopes, Red Shift, Spatial Distribution

Scientific paper

The shape of the Al-26 line is evaluated using a Galactic disk rotation curve and assuming various galactic distributions of radioactive aluminum. The line shape depends on galactic longitude, detector opening angle, and the assumed aluminum distribution. For a detector of 20 deg aperture and 2.5 keV resolution, the shift of the line peak can be as large as 0.4 keV. Such a shift could be detected with the proposed nuclear astrophysics explorer.

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