Multi-color Optical and NIR Light Curves of 64 Stripped-Envelope Core-Collapse Supernovae
F. B. Bianco, M. Modjaz, M. Hicken, A. Friedman, R. P. Kirshner, J. S., Bloom, P. Challis, G.H. Marion, W. M. Wood-Vasey

TL;DR
This paper provides the most extensive multi-color optical and near-infrared light curves for 64 stripped-envelope supernovae, enabling better classification and understanding of these stellar explosions.
Contribution
It offers a homogeneous, densely-sampled dataset of 64 low-redshift stripped-envelope supernovae, including optical and near-infrared photometry, which is the largest of its kind to date.
Findings
Identification of color trends for subtype classification
Comprehensive photometric data set for 64 supernovae
Comparison with existing literature data
Abstract
We present a densely-sampled, homogeneous set of light curves of 64 low redshift (z < 0.05) stripped-envelope supernovae (SN of type IIb, Ib, Ic and Ic-bl). These data were obtained between 2001 and 2009 at the Fred L. Whipple Observatory (FLWO) on Mt. Hopkins in Arizona, with the optical FLWO 1.2-m and the near-infrared PAIRITEL 1.3-m telescopes. Our dataset consists of 4543 optical photometric measurements on 61 SN, including a combination of UBVRI, UBVr'i', and u'BVr'i', and 2142 JHKs near-infrared measurements on 25 SN. This sample constitutes the most extensive multi-color data set of stripped-envelope SN to date. Our photometry is based on template-subtracted images to eliminate any potential host galaxy light contamination. This work presents these photometric data, compares them with data in the literature, and estimates basic statistical quantities: date of maximum, color, and…
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