Searching For Planetary Nebulae in Globular Clusters: Completing the Survey

Details Searching For Planetary Nebulae in Globular Clusters: Completing the Survey Searching For Planetary Nebulae in Globular Clusters: Completing the Survey

Feb 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999noao.prop...92j&link_type=abstract

NOAO Proposal ID #1999A-0092

Mathematics

Probability

Scientific paper

We have surveyed 133 Milky Way globular clusters for planetary nebulae and found 2 new nebulae beyond the 2 previously known in M15 and M22. In addition, we identified 2 very faint planetary nebula candidates in NGC 104 (47 Tuc) and NGC 362. We wish to obtain spectra of these weaker candidates to confirm or deny their nature as planetaries. In addition, we wish to complete our survey of the Galactic globular cluster population by imaging the last few clusters. There are 19 clusters remaining to observe and the proposed observations will extend through 17 of them. If the 25% detection rate of PN in x-ray bright globular clusters seen by Jacoby et al. holds, these 17 clusters have > 50% probability of hosting another undiscovered PN.

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