Other
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21733736s&link_type=abstract
American Astronomical Society, AAS Meeting #217, #337.36; Bulletin of the American Astronomical Society, Vol. 43, 2011
Other
Scientific paper
We present newly uncovered historical data containing over 50 observations of the brightness of Eta Carinae during the peak of its 19th century Great Eruption, which correct some mistakes in previously published lightcurves and paint a substantially different picture of the eruption. We compare the timing of brightening events to expected times of periastron encounters in the eccentric binary system, and we evaluate the extent to which such interactions may account for the observed variability. Periaston encounters may explain some aspects of the light curve, but new questions arise as well, and we discuss a possible physical model for the eruption. Finally, we mention potentially far-reaching implications for so-called "Supernova Impostors" and other luminous transients seen in other galaxies, which will be discovered in increasing numbers in upcoming transient searches like LSST.
Frew David
Smith Nathan
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