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Spectroscopy of High-Redshift Supernovae from the ESSENCE Project: The First Two Years
T. Matheson, S. Blondin, R. J. Foley +28
We present the results of spectroscopic observations of targets discovered during the first two years of the ESSENCE project. The goal of ESSENCE is to use a sample of ~200 Type Ia…
The SuperMACHO Microlensing Survey
A. C. Becker, A. Rest, C. Stubbs +18
We present the first results from our next-generation microlensing survey, the SuperMACHO project. We are using the CTIO 4m Blanco telescope and the MOSAIC imager to carry out a se…
Optical and Infrared Photometry of the Type Ia Supernovae 1991T, 1991bg, 1999ek, 2001bt, 2001cn, 2001cz, and 2002bo
Kevin Krisciunas, Nicholas B. Suntzeff, Mark M. Phillips +28
We present optical and/or infrared photometry of the Type Ia supernovae SN 1991T, SN 1991bg, SN 1999ek, SN 2001bt, SN 2001cn, SN 2001cz, and SN 2002bo. All but one of these superno…
Hydra Observations of Aluminum Abundances in the Red Giants of the Globular Clusters M80 and NGC 6752
Robert M. Cavallo, Nicholas B. Suntzeff, Catherine A. Pilachowski
Aluminum and other metal abundances were determined in 21 red giants in the globular clusters NGC 6752 and M80 as part of a larger study to determine whether the aluminum distribut…
The Globular Cluster Systems of the Sculptor Group
K. A. G. Olsen, B. W. Miller, N. B. Suntzeff +2
We use CTIO 4-m Mosaic II images taken with the Washington and Harris filters to identify candidate globular clusters in the six major galaxies of the Sculptor group: NGC…