Red vs Blue: Early observations of thermonuclear supernovae reveal two distinct populations?
Preprint published in 2018 by
Maximilian D. Stritzinger,
Benjamin J. Shappee,
Anthony L. Piro,
Christopher Ashall,
E. Baron,
Peter Hoeflich,
Simon Holmbo,
Thomas W.-S. Holoien,
M. M. Phillips,
C. R. Burns,
Carlos Contreras,
Nidia Morrell,
Michael A. Tucker 
