University of Hertfordshire

A Multi-Wave length Survey of the ISM in NGC 628

Research output: Chapter in Book/Report/Conference proceedingConference contribution


  • D.S. Adler
  • J. Knapen
  • M.N. Fanelli
  • D. Westpfahl
  • B.P. Wakker
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Original languageEnglish
Title of host publicationIn: Galaxy Dynamics, ASP Conference Series vol.182
PublisherAstronomical Society of the Pacific
ISBN (Print)1-58381-007-2
Publication statusPublished - 1999


Is atomic hydrogen a precursor to or byproduct of the star formation process? Recent evidence suggests that a large percentage of the atomic hydrogen in spiral galaxies could be due to photodissociation of molecular gas by UV radiation from hot young stars.


Original paper can be found at Astronomical Society of the Pacific

ID: 171278