Adding to the Treasury: Spectroscopic Classification of High-Redshift Supernovae Discovered by HST

Details Adding to the Treasury: Spectroscopic Classification of High-Redshift Supernovae Discovered by HST Adding to the Treasury: Spectroscopic Classification of High-Redshift Supernovae Discovered by HST

Feb 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011noao.prop..537j&link_type=abstract

NOAO Proposal ID #2011A-0537

Physics

Scientific paper

In Type Ia supernovae (SNe Ia), nature has given us exquisite tools to survey the cosmos. Here we propose Gemini spectroscopy to classify and measure redshifts for 6 SN candidates discovered by the Hubble Space Telescope (HST) in the CANDELS and CLASH Multi-Cycle Treasury (MCT) programs in 2011A. Over 1600 HST orbits over the next three years will be devoted to the search and follow-up programs, and these treasured data sets must be supplemented by a suite of ground-based observations. Gemini+GMOS will provide spectra of the z < 1 SN discoveries, connecting the HST data set to ground-based samples at similar redshifts. These data will be essential for robust constraints on the time variation of dark energy, SN Ia evolution, and SN Ia rates and progenitor models.

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