Last Update:
June 2, 2012

Main Page

Brief Introduction to H3+

Royal Society Discussion Meeting

Spectroscopic Databases

Online Intensity Calculator

Links to H3+ Related Sites

Contact Information:
McCall Group
Department of Chemistry & Department of Astronomy
600 S. Mathews Ave.
Urbana, IL 61801
Phone: (217) 244-3993
FAX: (217) 244-3186
www: bjm.scs.uiuc.edu

Oka Group
Department of Chemistry
5735 S. Ellis Ave.
Chicago, IL 60637
Phone: (773) 702-7262
FAX: (773) 702-0805
www: fermi.uchicago.edu

H3+ Collage
Collage by C. M. Lindsay, 2000
Images within:H3+ laboratory spectrum from A. R. W. McKellar; Jupiter H3+ emission image from J. E. P. Connerney.

Welcome to the H3+ Resource Center. This site contains information and data useful to the astronomy, physics, and chemistry of H3+. This server is provided as a service of the McCall group at the University of Illinois at Urbana-Champaign and the Oka research group at the University of Chicago.


  • For information on the 2012 Royal Society Discussion Meeting on the Chemistry, Astronomy, and Physics of H3+, please follow this link.
  • The webpage for the 2006 Royal Society meeting can be found here.
  • The webpage for the 2000 Royal Society meeting can be found here.
  • For the supplemental information on the Lindsay & McCall paper, please follow this link.
  • To use the online H3+ intensity calculator, please follow this link.
  • Ben McCall's thesis, entitled "Spectroscopy of H3+ in Laboratory and Astrophysical Plasmas," can be obtained here.
  • For program information on the "Jewels in Spectroscopy" symposium honoring Professor Takeshi Oka, please follow this link.
  • For further information on H3+, see the McCall group web page or the Oka group web page.

  • If you have any comments, or material that you would like to post on this site, contact the webmaster at webmaster@h3plus.uiuc.edu