A neutron-star-driven X-ray flash associated with supernova SN 2006aj
Article Abstract:
The spectra and light curve of SN 2006aj are modeled, and results reveal that the supernova had a much smaller explosion energy and ejected much less mass than other gamma-ray burst (GRB)-supernovae, indicating that it was produced by a star with low initial mass. It is concluded that the X-ray flash associated with supernova SN 2006aj was due to a neutron star that is expected to result from the collapse of the core of the original star of low mass, and not a black hole.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2006
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A non-spherical core in the explosion of supernova SN 2004dj
Article Abstract:
Multi-epoch spectropolarimetry of a classic type II-P supernova is reported that reveals the abrupt appearance of significant polarization when the inner core is first in the thinning ejecta. It suggests that a strongly non-spherical explosion is a generic feature of core-collapse supernovae of all types, where the asphericity in type II-P supernovae is cloaked at early times by the massive, opaque, hydrogen envelope.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2006
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The binary progenitor of Tycho Brahe's 1572 supernova
Article Abstract:
A survey of the central region of the Tycho's supernova's remnant around the position of explosion is reported. A type of G0-G2 star similar to the sun in surface temperature and luminosity moving at more than three times the mean velocity of the stars at that distance is found.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
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