Spectroscopic properties of star-forming host galaxies and Type Ia supernova hubble residuals in a nearly unbiased sample

Chris D'Andrea, Ravi R. Gupta, Masao Sako, Matt Morris, Robert C. Nichol, Peter J. Brown, Heather C. Campbell, Matthew D. Olmstead, Joshua A. Frieman, Peter M. Garnavich, Saurabh W. Jha, Richard Kessler, Hubert Lampeitl, John P. Marriner, Donald P. Schneider, Mathew Smith