The preliminary analysis of the optical data of SN1999cw show that this object has the photometric and spectroscopic behavior of a Type Ia supernova similar to SN1991T, reaching an apparent magnitude at maximum B(max)=14.30 and a Delta m_{15}(B)=0.94.
@article{arxiv.astro-ph/0410476,
title = {Type Ia SN1999cw: photometric and spectroscopic study},
author = {F. Bufano and M. Turatto and S. Benetti and A. Harutyunyan and N. Elias-Rosa and E. Cappellaro and .},
journal= {arXiv preprint arXiv:astro-ph/0410476},
year = {2007}
}
Comments
to appear in "1604-2004 Supernovae as Cosmological Lighthouses" (Padova, Italy, June 16-19, 2004) [2 pages, 2 figures]