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60 papers · 1 filter
Bolometric Light Curves of Supernovae
Nicholas B. Suntzeff
The thermalized energy from the radioactive decays of 56Ni and 57Ni and their daughter nuclides power the light curves of supernovae near maximum light. The bolometric light curve…
Optical and Infrared Photometry of the Unusual Type Ia Supernova 2000cx
P. Candia, K. Krisciunas, Nicholas B. Suntzeff +16
We present optical and infrared photometry of the unusual Type Ia supernova 2000cx. With the data of Li et al. (2001) and Jha (2002), this comprises the largest dataset ever assemb…
Evidence for Core Collapse in the Type Ib/c SN 1999ex
Mario Hamuy, Maximilian Stritzinger, M. M. Phillips +3
We present optical and infrared spectra of SN 1999ex that reveal a clear example of an intermediate Type Ib/c case. This suggests a continuous spectroscopic sequence between Type I…
Far-Ultraviolet & Halpha Spectroscopy of SNR0057-7226 in the SMC HII Region N66
Charles Danforth, Ravi Sankrit, William Blair +2
N66/NGC346 is the largest and brightest HII region in the Small Magellanic Cloud and contains at least one known supernova remnant SNR0057-7226. Optical emission from the remnant i…
Resolved Mid-IR Emission in the Narrow Line Region of NGC 4151
James T. Radomski, Robert K. Pina, Christopher Packham +4
We present subarcsecond resolution mid infrared images of NGC 4151 at 10.8 micron and 18.2 micron. These images were taken with the University of Florida mid-IR camera/spectrometer…
uvbyCaHbeta CCD Photometry of Clusters. III. The Most Metal-Rich Open Cluster, NGC 6253
B. A. Twarog, B. J. Anthony-Twarog, N. De Lee
CCD photometry on the intermediate-band uvbyCaH-beta system is presented for the old open cluster, NGC 6253. Despite a high level of field star contamination due to its location to…