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26Al in the Local Interstellar Medium

Published online by Cambridge University Press:  12 April 2016

J. Knödlseder ,
K. Bennett ,
H. Bloemen ,
R. Diehl ,
W. Hermsen ,
U. Oberlack ,
J. Ryan ,
V. Schönfelder  and
P. von Ballmoos
J. Knödlseder
Affiliation:
Centre d’Etude Spatiale des Rayonnements (CNRS/UPS), BP 4346, 31028 Toulouse Cedex, France
K. Bennett
Affiliation:
Astrophysics Division, ESTEC, ESA, 2200 AG Noordwijk, The Netherlands
H. Bloemen
Affiliation:
SRON-Utrecht, Sorbonnelaan 2, 3584 CA Utrecht, The Netherlands
R. Diehl
Affiliation:
Max–Planck–Institut für extraterrestrische Physik, 85740 Garching, Germany
W. Hermsen
Affiliation:
SRON-Utrecht, Sorbonnelaan 2, 3584 CA Utrecht, The Netherlands
U. Oberlack
Affiliation:
Max–Planck–Institut für extraterrestrische Physik, 85740 Garching, Germany
J. Ryan
Affiliation:
Space Science Center, University of New Hampshire, Durham NH 03824, U.S.A.
V. Schönfelder
Affiliation:
Max–Planck–Institut für extraterrestrische Physik, 85740 Garching, Germany
P. von Ballmoos
Affiliation:
Centre d’Etude Spatiale des Rayonnements (CNRS/UPS), BP 4346, 31028 Toulouse Cedex, France

Abstract

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We estimate the 1.8 MeV luminosity of the Sco-Cen association due to radioactive decay of 26A1 to (4 – 15) 10−5ph cm−2 s−1. We propose a low surface brightness, limb brightened bubble for the 1.8 MeV intensity distribution. The detectibility of this distribution with existing γ-ray telescopes is discussed.

Type
Part VI Distant Hot Gas, SXRB Fluctuations, Dust, Gamma-rays
Information
International Astronomical Union Colloquium , Volume 166: The Local Bubble and Beyond , 1997 , pp. 389 - 392
Copyright
Copyright © Springer-Verlag 1998

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