@inproceedings{oai:jaxa.repo.nii.ac.jp:00003025, author = {Minh, Young Chol and Park, Yong Sun}, book = {宇宙航空研究開発機構特別資料, JAXA Special Publication: Proceedings of the SPICA Science Conference from Exoplanets to Distant Galaxies: SPICA's New Window on the Cool Universe}, month = {Mar}, note = {SPICA Science Conference from Exoplanets to Distant Galaxies: SPICA's New Window on the Cool Universe (June 18-21, 2013. Ito Hall, the University of Tokyo), Bunkyou-ku, Tokyo, Japan, The powerful spectroscopic capability of SPICA in mid- and far-infrared bands will certainly open a totally new window to understand the universe through chemical diversity. Huge amount of molecular lines can be detected in this wavelength, but most of them have never been studied before although they must contain abundant very new information on the interstellar conditions. The OH radical is one of the key molecules to be observed in the interstellar space related to shock process, which also forms H2O, SiO, and other major molecular species. Except OH maser emissions at around 1.7 GHz, its thermal emission has not been studied much because its transition wavelengths are mostly in mid- and far-infrared. The OH fractional abundance relative to H2 is expected be enhanced more than two orders of magnitudes behind the shock but it is also detected in cool, extended clouds. Observations of the OH transitions in SPICA’s wavelengths towards various Galactic and extragalactic astronomical sources will certainly provide exciting new results, especially in relation to prevalent shock related phenomena., 形態: カラー図版あり, Physical characteristics: Original contains color illustrations, 資料番号: AA1730027048, レポート番号: JAXA-SP-17-010E}, pages = {225--230}, publisher = {宇宙航空研究開発機構(JAXA), Japan Aerospace Exploration Agency (JAXA)}, title = {Study on the Interstellar OH Radical in Mid-Infrared}, volume = {JAXA-SP-17-010E}, year = {2018} }