Spectroscopic Time-Series of Transients with Light Echoes

Details Spectroscopic Time-Series of Transients with Light Echoes Spectroscopic Time-Series of Transients with Light Echoes

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21924235r&link_type=abstract

American Astronomical Society, AAS Meeting #219, #242.35

Astronomy and Astrophysics

Astronomy

Scientific paper

One as-yet unrealized opportunity provided by light echoes is the ability to obtain a spectroscopic time series of the event and constrain its lightcurve shape. For short events with time-scales on the order of months like supernovae, favorable dust properties and HST-like PSF sizes are required. For long events on the order of years, this technique is only marginally affected by the width of the scattering dust and the PSF-size of the observations. We show case studies of Eta Carinae and Cas A for which this is possible.

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