26Al kinematics: superbubbles following the spiral arms? Constraints from the statistics of star clusters and HI supershells

Martin Krause, R. Diehl, Y. Bagetakos, E. Brinks, A. Burkert, O. Gerhard, J. Greiner, K. Kretschmer, T. Siegert

Research output: Contribution to journalArticlepeer-review

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Abstract

High energy resolution spectroscopy of the 1.8 MeV radioactive decay line of 26Al with the SPI instrument on board the INTEGRAL satellite has recently revealed that diffuse 26Al has large velocities in comparison to other components of the interstellar medium in the Milky Way. 26Al shows Galactic rotation in the same sense as the stars and other gas tracers, but reaches excess velocities up to 300 km s−1
Original languageEnglish
Article numberA113
Number of pages6
JournalAstronomy and Astrophysics
Volume578
DOIs
Publication statusPublished - 12 Jun 2015

Keywords

  • gamma rays: ISM, ISM: kinematics and dynamics, ISM: bubbles, ISM: structure, Galaxy: structure

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