ner_tags: O O B-Person I-Person O O O O B-Wavelength O O O O O O O O O O O O B-Grant I-Grant I-Grant I-Grant B-Grant B-Grant B-Grant O O B-Organization O B-Location O B-Grant I-Grant B-Organization B-Location
tokens: We thank Tony Pan for useful comments on X-ray emission from PPI SNe. This work has been partly support by the grants-in-aid for Scientific Research (24244028, 26400271, 26800100) from the MEXT of Japan and WPI Initiative, MEXT, Japan.