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Optical photometry and spectroscopy of the type Ibn supernova SN 2006jc until the onset of dust formation
G. C. Anupama, D. K. Sahu, U. K. Gurugubelli +4
We present optical UBVRI photometric and spectroscopic data of the type Ibn supernova SN 2006jc, until the onset of the dust forming phase. The optical spectrum shows a blue contin…
Injection of Short-Lived Radionuclides into the Early Solar System from a Faint Supernova with Mixing-Fallback
A. Takigawa, J. Miki, S. Tachibana +4
Several short-lived radionuclides (SLRs) were present in the early solar system, some of which should have formed just prior to or soon after the solar system formation. Stellar nu…
The metamorphosis of Supernova SN2008D/XRF080109: a link between Supernovae and GRBs/Hypernovae
Paolo A. Mazzali, Stefano Valenti, Massimo Della Valle +38
The only supernovae (SNe) to have shown early gamma-ray or X-ray emission thus far are overenergetic, broad-lined Type Ic SNe (Hypernovae - HNe). Recently, SN 2008D shows several n…
Optical Spectropolarimetry and Asphericity of Type Ic SN 2007gr
Masaomi Tanaka, Koji S. Kawabata, Keiichi Maeda +2
We present optical spectropolarimetric observations of Type Ic supernova (SN) 2007gr with Subaru telescope at 21 days after the maximum brightness (~37 days after the explosion). N…
The Connection between Gamma-Ray Bursts and Extremely Metal-Poor Stars as Nucleosynthetic Probes of the Early Universe
K. Nomoto, N. Tominaga, M. Tanaka +2
The connection between the long GRBs and Type Ic Supernovae (SNe) has revealed the interesting diversity: (i) GRB-SNe, (ii) Non-GRB Hypernovae (HNe), (iii) X-Ray Flash (XRF)-SNe, a…
Early Formation of Dust in the Ejecta of Type Ib SN 2006jc and Temperature and Mass of the Dust
T. Nozawa, T. Kozasa, N. Tominaga +8
SN 2006jc is a peculiar supernova (SN), in which the formation of dust has been confirmed at an early epoch of ~50 days after the explosion. We investigate the possibility of such…