Search for Oort Comet Cloud UV Emission, Suitable Nova of Opportunity -- Epoch 1

Computer Science

Scientific paper

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Hst Proposal Id #2797

Scientific paper

The aim of this proposal is to search for evidence of an Oort Cloud of comets surrounding the system of a bright galactic nova (target of opportunity), using the nova's light pulse as a "probe." Oort Cloud objects are believed to be rich in frozen volatiles (chiefly water) and organic molecules. The energetic flux of a bright nova may trigger significant activity from a large fraction of an Oort Cloud's population. The HST's unique ability to obtain high-resolution filtered images in the ultraviolet is critical to this proposal, since the OH (3085 A and 2820 A bands) products of water evaporation and dissociation processes in a remote Oort Cloud are potentially observable using the Wide Field Camera. Detection of an Oort Cloud would be a substantial result. Images obtained at two epochs (20 and 120 days from maximum luminosity) will be used to search for evidence of an Oort Cloud and may reveal information about the composition, total mass, and spatial distribution of material in the cloud.

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