Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...20114301m&link_type=abstract
American Astronomical Society Meeting 201, #143.01; Bulletin of the American Astronomical Society, Vol. 35, p.568
Astronomy and Astrophysics
Astronomy
2
Scientific paper
For the 14 hours of peak Leonid meteoroid flux in November 2002, the Hubble Space Telescope was pointed away from incoming meteoroids, and the solar arrays were oriented to minimize their cross-section. By coincidence, one of the most prominent planetary nebulae, the Helix Nebula, a.k.a. NGC 7293, was nearly opposite the incoming Leonids and could be observed.
A ``Hubble Helix Team'' of volunteers led by M. Meixner (STScI) organized a nine-orbit campaign to observe the Helix with the ACS, WFPC2, NICMOS, and STIS. A contiguous 3 by 3 grid of 4kx4k-pixel ACS images covering much but not all of the Helix was exposed in two filters, Hα +[N II] (F658N) and [O III] (F502N). A few of the WFPC2 images observed in parallel also observed the nebula in [O I] (F631N) or He II 4686 (F469N) or Hα (F656N). NICMOS/NIC3 observations were obtained at two locations on the nebula and two off, in H2 (F212N) and Paschen-α (F187N). A few of the STIS parallel observations in [OII] (F28X0OII) were located on the nebula.
The main purpose of this presentation is to advertise to all interested parties the availability of the non-proprietary data via the HST archive. Initial data analysis by the Hubble Helix Team will be presented in this poster.
Hubble Helix Team
McCullough Peter R.
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