A Search for Supernovae at High Z in the Hubble Deep Field

Physics

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Hst Proposal Id #6473 Cosmology

Scientific paper

The Hubble Deep Field {HDF} observations to be conducted in December 1995 with Director's Discretionary time as a community service provided ultra-deep, four-color imaging of a single extra-galactic field. We propose a much shorter second epoch observation in the F814W filter that will enable Supernovae of Type Ia to be detected in either epoch to z 2, or Type II's to z 1.5. This will enable probing of a much larger range of z for SNe than has been attempted previously. Data resulting from these second epoch observations should be declared non-proprietary after one month in the spirit of the original HDF work. We will have developed full reduction software for handling the original HDF data. Second epoch data will be analyzed within one week with a goal of publishing in the IAU Circulars any SNe events bright enough for follow-up ground-based observations. At moderate additional cost {given the original HDF template} this proposal will serve as a pathfinder to begin delineating SNe event rates at high z.

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