Luminous Type II supernovae for their low expansion velocities

CSP-I by NSF AST-0306969 AST-0607438 AST-1008343 Ministry of Economy, Development, and Tourism's Millennium Science Initiative IC120009 CONICYT PAI/INDUSTRIA 79090016 Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) Japan Society for the Promotion of Science JP17H02864 JP18K13585 Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) Japan Society for the Promotion of Science Comision Nacional de Investigacion Cientifica y Tecnologica (CONICYT) CONICYT FONDECYT 1191038 EU/FP7-ERC grant 615929 Independent Research Fund Denmark 8021-00170B VILLUM FONDEN 13261 National Science Foundation (NSF) AST-1613455 NSF through Texas A&M University Mitchell/Heep/Munnerlyn Chair in Observational Astronomy George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy European Southern Observatory under ESO programmes 082.A0526 083.D-0970 Gemini Observatory, Cerro Pachon, Chile (Gemini Program) GS-2009A-Q-43