IAU Special Sessions (GA)

SpS16: Unexplained spectral phenomena in the interstellar medium

Start date/time

August 27, 2012

End date/time

August 28, 2012


China, Nanjing


Sun Kwok

Event website


Coordinating Division

Division VI Interstellar Matter

SOC Chair: Sun Kwok (China Nanjing)

SOC Members: Peter Bernath (United Kingdom), Walt Duley (Canada), Pascale Ehrenfreund (Netherlands), Thomas Henning (Germany), Christine Joblin (France), Aigen Li (United States), John P. Maier (Switzerland), Vito Mennella (Italy), Takashi Onaka (Japan), Peter Sarre (United Kingdom), Kris Sellgren (United States), Adolf Witt (United States)

Editor of Proceedings: Sun Kwok (China Nanjing)


  • Unidentified Infrared Emission features
  • Extended Red Emission
  • 217.5 nm extinction feature
  • Diffuse interstellar bands
  • 21 and 30 micron emission features


IAU 100 Years: Under One Sky

“IAU 100 
Years: Under One Sky

Subscribe to the e-Newsletter


IAU Code of Conduct

Code of Conduct

IAU Strategic Plan 2020–2030

Strategic Plan


How to Become a Member

IAU Office of Astronomy for Development

Office for Astronomy Development

IAU Office for Young Astronomers

Office for Young Astronomers

IAU Office for Astronomy Outreach

Office for Astronomy Outreach

IAU e-Newsletter
Volume 2020 n° 1

Latest e-Newsletter

Symposia and Meetings


Astronomy Outreach Newsletters and Events

Outreach Newsletters

International School for Young Astronomers

International School for Young Astronomers

UNESCO-IAU Portal to the Heritage of Astronomy


International Year of the Periodic
Table of Chemical Elements

Latest e-Newsletter