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astro-ph2008★ 148 cited
Optical Spectroscopy of Type Ia Supernovae
T. Matheson, R. P. Kirshner, P. Challis +19
We present 432 low-dispersion optical spectra of 32 Type Ia supernovae (SNe Ia) that also have well-calibrated light curves. The coverage ranges from 6 epochs to 36 epochs of spect…
astro-ph2007★ 18 cited
H-delta in the Integrated Light of Galaxies: What Are We Actually Measuring?
L. C. Prochaska, J. A. Rose, N. Caldwell +5
We present a cautionary study exploring the reliability of the H-delta line in the integrated spectra of galaxies for determining galaxy ages. Our database consists of the observed…