@inproceedings{oai:jaxa.repo.nii.ac.jp:00003140, author = {Payne, Anna V. and 稲見, 華恵 and Malkan, Matthew A. and 松原, 英雄 and Payne, Anna V. and Inami, Hanae and Malkan, Matthew A. and Matsuhara, Hideo and Sakai, Shoko}, book = {宇宙航空研究開発機構特別資料, JAXA Special Publication: The Cosmic Wheel and the Legacy of the AKARI archive: from galaxies and stars to planets and life}, month = {Mar}, note = {第4回「あかり」国際会議 (2017年10月17-20日. 東京大学), 文京区, 東京, The 4th AKARI International Conference: The Cosmic Wheel and the Legacy of the AKARI archive: from galaxies and stars to planets and life (October 17-20, 2017. The University of Tokyo), Bunkyo-ku, Tokyo, Japan, Star formation rate (SFR) is important to quantify for galaxies because it provides a method for reconstructing the cosmic history of star formation in the universe. H is frequently utilized in SFR studies, however, this hydrogen recombination line is strongly affected by interstellar dust extinction. For a sample of 23 galaxies, we report Br alpha/H alpha and H alpha/H beta measurements and found that for most of our sample, the traditional Balmer decrement, H alpha/H beta, unexpectedly gives higher A(sub V) than when Br alpha/H alpha is used when we adopt the Calzetti extinction law. In addition, galaxies with the highest specific star formation rate (SSFR) on average have higher A(sub V)(Br alpha/H alpha) than A(sub V)(H alpha/H beta). However, we do not find a clear trend of the line ratios against L(sub IR) or IR/UV., 形態: カラー図版あり, Physical characteristics: Original contains color illustrations, 資料番号: AA1730026066, レポート番号: JAXA-SP-17-009E}, pages = {337--340}, publisher = {宇宙航空研究開発機構(JAXA), Japan Aerospace Exploration Agency (JAXA)}, title = {Analyzing Hydrogen Recombination Lines in the Infrared and Optical to Determine Extinction and SFRs of Dusty Infrared Galaxies}, volume = {JAXA-SP-17-009E}, year = {2018} }