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Short-Period Variable Stars in the M31 Halo
A. E. Dolphin, A. Saha, E. W. Olszewski +4
We report the findings of a new search for RR Lyraes in an M31 halo field located 40 arcminutes from the nucleus of the galaxy along the minor axis. We detected 37 variable stars,…
Photometry and Spectroscopy of GRB 030329 and Its Associated Supernova 2003dh: The First Two Months
T. Matheson, P. M. Garnavich, K. Z. Stanek +4
We present extensive optical and infrared photometry of the afterglow of gamma-ray burst (GRB) 030329 and its associated supernova (SN) 2003dh over the first two months after detec…
Spectroscopic Discovery of the Supernova 2003dh Associated with GRB 030329
K. Z. Stanek, T. Matheson, P. M. Garnavich +19
We present early observations of the afterglow of the Gamma-Ray Burst (GRB) 030329 and the spectroscopic discovery of its associated supernova SN 2003dh. We obtained spectra of the…