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Photometric Typing Analyses of Three Young Supernovae with the Robotic Palomar 60-Inch Telescope
Anne M. Rajala, Derek B. Fox, Avishay Gal-Yam +6
We present photometric typing analyses of three young supernovae observed with the Robotic 60-inch Telescope at Palomar Observatory (P60). This represents the first time that such…
The Caltech Core-Collapse Project (CCCP)
A. Gal-Yam, S. B. Cenko, D. W. Fox +4
The cosmological utility of type Ia Supernovae (SNe) prompted numerous studies of these events, and they are now well characterized observationally, both as individual objects and…
Spectropolarimetry of Core-Collapse Supernovae
Douglas C. Leonard, Alexei V. Filippenko
We briefly review the young field of spectropolarimetry of core-collapse supernovae (SNe). Spectropolarimetry provides the only direct known probe of early-time supernova (SN) geom…
Hubble Space Telescope and Ground-Based Observations of SN 1993J and SN 1998S: CNO Processing in the Progenitors
Claes Fransson, Peter M. Challis, Roger A. Chevalier +13
Ground-based and Hubble Space Telescope observations are presented for SN 1993J and SN 1998S. SN 1998S shows strong, relatively narrow circumstellar emission lines of N III-V and C…
The type IIn supernova 1994W: evidence for the explosive ejection of a circumstellar envelope
Nikolai N. Chugai, Sergei I. Blinnikov, Robert J. Cumming +6
We present and analyse spectra of the Type IIn supernova 1994W obtained between 18 and 203 days after explosion. During the luminous phase (first 100 d) the line profiles are compo…