tokens: We thank the anonymous referee, whose comments led to an improvement in the paper; F. Camillo, who assisted in finding the pulsar parameters; and N. Sanchez, who helped with the ICARUS code. We are grateful to the staff at the Keck Observatory for their assistance, as well as to I. Shivvers, P. Kelly, and J. Mauerhan for helping with some of the observations. The W. M. Keck Observatory is operated as a scientific partnership among the California Institute of Technology, the University of California, and the National Aeronautics and Space Administration (NASA); it was made possible by the generous financial support of the W. M. Keck Foundation. We extend special gratitude to those of Hawaiian ancestry on whose sacred mountain we are privileged to be guests. We thank Daniel Perley and Brad Cenko for the use of, and assistance with, their Keck LRIS imaging and spectroscopy reduction pipeline 5 5 http://www.astro.caltech.edu/dperley/programs/lpipe.html . R.W.R. was supported in part by NASA grant G06-17059X. The research of A.V.F.'s group at U.C. Berkeley is supported by Gary Cynthia Bengier, the Richard Rhoda Goldman Fund, the Christopher R. Redlich Fund, the TABASGO Foundation, and NSF grant AST–1211916.
ner_tags: O O O O O O O O O O O O O O B-Person I-Person O O O O O O O O B-Person I-Person O O O O B-Software I-Software O O O O O O O O B-Observatory I-Observatory O O O O O O O B-Person I-Person B-Person I-Person O B-Person I-Person O O O O O O O O B-Observatory I-Observatory I-Observatory I-Observatory O O O O O O O O B-Organization I-Organization I-Organization I-Organization O B-Organization I-Organization I-Organization O O B-Organization I-Organization I-Organization I-Organization I-Organization B-Organization O O O O O O O O O O O B-Organization I-Organization I-Organization I-Organization O O O O O O O B-EntityOfFutureInterest I-EntityOfFutureInterest O O O O O O O O O O O O B-Person I-Person O B-Person I-Person O O O O O O O O B-Software I-Software I-Software I-Software I-Software I-Software I-Software O O B-URL O B-Person O O O O O B-Organization B-Grant I-Grant O O O B-Person O O B-Organization I-Organization O O O B-Person I-Person I-Person O B-Organization I-Organization I-Organization I-Organization O B-Organization I-Organization I-Organization I-Organization O B-Organization I-Organization O B-Organization B-Grant I-Grant