GNIRS + SPITZER ToO Novae in the Magellanic Clouds

Details GNIRS + SPITZER ToO Novae in the Magellanic Clouds GNIRS + SPITZER ToO Novae in the Magellanic Clouds

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005noao.prop...15w&link_type=abstract

NOAO Proposal ID #2005A-0015

Physics

Scientific paper

Novae are important contributors to galactic chemical enrichment on local scales. IR spectroscopy of novae provides information about the elemental abundances of the gas and dust in the ejecta dispersing into the interstellar medium as well as kinematic information related to the outburst. We propose to obtain GNIRS `Quick-Response' spectra of Target of Opportunity (ToO) novae in the Magellanic Clouds (MC) to study the dynamics of the ejecta, to determine the temporal evolution of coronal lines and recombination lines (measuring their strength and velocity profiles), and to determine abundances. Being all equidistant, MC nova permit a more robust intepretation of distant-dependent physical parameters of outburst than is generally possible for Galactic novae. The GNIRS data will provide critical spectral coverage and contemporaneous data to support our Cycle 1 Spitzer nova program (PID 2333). Triggering of the GNIRS program will occur when a MC nova becomes brighter than V=12 mag, (assuming that adequate PWFS guide stars exist) as reported in the IAUC or by observers on our team.

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