A Search for Galactic Halo and Thick Disk Planetary Nebulae in the SDSS Footprint: First Results

Details A Search for Galactic Halo and Thick Disk Planetary Nebulae in the SDSS Footprint: First Results A Search for Galactic Halo and Thick Disk Planetary Nebulae in the SDSS Footprint: First Results

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21110003s&link_type=abstract

American Astronomical Society, AAS Meeting #211, #100.03; Bulletin of the American Astronomical Society, Vol. 39, p.911

Astronomy and Astrophysics

Astronomy

Scientific paper

We present early results from a search for Galactic halo and thick disk planetary nebulae (PNe) within the Sloan Digital Sky Survey Data Release 6 (SDSS DR6) imaging footprint. Known PNe of high and low excitation states cover a broad region in SDSS filter color-color diagrams. This space overlaps the areas where white dwarfs, quasars, A stars and emission line galaxies fall, and makes identification, from SDSS colors alone, difficult. We describe a search strategy that employs the SDSS colors, [O III] narrowband imaging and spectroscopy, and present the early results of the search for PN candidates with strong [O III] emission lines, from the first four months of observations.

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