2002 Leonid Observations: The Hubble Helix

Details 2002 Leonid Observations: The Hubble Helix 2002 Leonid Observations: The Hubble Helix

Jul 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002hst..prop.9700m&link_type=abstract

HST Proposal ID #9700

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Hst Proposal Id #9700 Ism And Circumstellar Matter

Scientific paper

Observations of Helix Nebula during 2002.322:00-14. We are pursuing an observational campaign on the Helix during the Leonids shower time 2002. The goal is to study the ionized and molecular gas in this closest example of a bright planetary nebula. The Helix contains many knots of material that are partially ionized knots of molecular gas and dust formed by instabilities. These contain as much material as the nebular ring which dominates the Helix's appearance. Because the Helix nebula is approximately the size of the full moon, we can plan to use ACS to make a large mosaic of the Helix and while doing this mosaic we can also make parallel observations with the other HST instruments. One of the goals is to have some overlapping information on a set of knots in the Helix.

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