Radial velocity map and line profiles of ^26^Al emission from Galactic rotation.

Details Radial velocity map and line profiles of ^26^Al emission from Galactic rotation. Radial velocity map and line profiles of ^26^Al emission from Galactic rotation.

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26as..120c.331g&link_type=abstract

Astronomy and Astrophysics Supplement, v.120, p.331-334

Astronomy and Astrophysics

Astrophysics

13

Gamma Rays: Observations, Nucleosynthesis, Galaxy: Structure, Line: Profiles

Scientific paper

Based on our spiral-arm model of the COMPTEL ^26^Al map features, the 1.8MeV line centroid from individual hot spots will be shifted due to Galactic rotation. We present a 21-cm style radial velocity map of our model ^26^Al distribution and calculate the model line profiles from some of the candidate spiral arm directions. The INTEGRAL, with its fine energy resolution, will help solve the ^26^Al problem by accurately measuring the line centroid and so identifying the true locations of the hot spots, especially in the poorly understood inner Galaxy and Galactic center regions.

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