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Supernovae in Low-Redshift Galaxy Clusters: Observations by the Wise Observatory Optical Transient Search (WOOTS)
Avishay Gal-Yam, Dan Maoz, Puragra Guhathakurta +1
We describe the Wise Observatory Optical Transient Search (WOOTS), a survey for supernovae (SNe) and other variable and transient objects in the fields of redshift 0.06-0.2 Abell g…
The Detection of a Light Echo from the Type Ia Supernova 2006X in M100
Xiaofeng Wang, Weidong Li, Alexei V. Filippenko +3
We report the discovery of a light echo (LE) from the Type Ia supernova (SN) 2006X in the nearby galaxy M100. The presence of the LE is supported by analysis of both the Advanced C…
Optical Photometry and Spectroscopy of the Accretion-Powered Millisecond Pulsar HETE J1900.1-2455
P. Elebert, P. J. Callanan, A. V. Filippenko +4
We present phase resolved optical photometry and spectroscopy of the accreting millisecond pulsar HETE J1900.1-2455. Our R-band light curves exhibit a sinusoidal modulation, at clo…
The Broad-lined Type Ic SN 2003jd
S. Valenti, S. Benetti, E. Cappellaro +27
The results of a world-wide coordinated observational campaign on the broad-lined Type Ic SN 2003jd are presented. In total, 74 photometric data points and 26 spectra were collecte…
SN 2002cv: A Heavily Obscured Type Ia Supernova
N. Elias-Rosa, S. Benetti, M. Turatto +15
We present VRIJHK photometry, and optical and near-infrared spectroscopy, of the heavily extinguished Type Ia supernova (SN) 2002cv, located in NGC 3190, which is also the parent g…
Constraining Cosmic Evolution of Type Ia Supernovae
Ryan J. Foley, A. V. Filippenko, C. Aguilera +27
We present the first large-scale effort of creating composite spectra of high-redshift type Ia supernovae (SNe Ia) and comparing them to low-redshift counterparts. Through the ESSE…