Multiwavelngth Target of Opportunity Observations of a Bright Nova in Outburst

Computer Science

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Chandra Proposal Id #04300647

Scientific paper

We propose to obtain spectrophotometry with CHANDRA, plus ground based optical and IR spectra of one bright nova in outburst. Our X-ray studies have shown that X-rays are the best tool for studying the hot phase of the outburst. In Cycle 1 we obtained spectra of V382 Vel and V1494 Aql. V382 Vel showed only an emission line spectrum in our data while V1494 Aql evolved from an emission line spectrum to that of a Super Soft Source (SSS). Observations of these phases provided an opportunity to study the composition of the underlying white dwarf, the lifetime of the TNR phase of the outburst, and the energy budget of the explosion. More data on new novae is needed because the behavior of these two novae was very different, which is expected from theory.

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