Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21923903l&link_type=abstract
American Astronomical Society, AAS Meeting #219, #239.03
Astronomy and Astrophysics
Astronomy
Scientific paper
Determining distances to planetary nebulae (PNe) has been a major challenge in understanding the roles played by these objects in stellar evolution. Several PNe have been found in globular clusters, but a large systematic search for PNe in open star clusters has yet to be performed. Recently, a couple of probable associations between PNe and open clusters have been presented, those results lead us to begin a search for additional possibilities. H-alpha and Sloan r' images of 70 open clusters were obtained during summer 2010 with the 0.75-m telescope at the University of Washington's Manastash Ridge Observatory (MRO). The selection criteria for clusters included: availability during the summer months and size constraints due to the telescope's field of view. We also chose clusters of intermediate ages. These clusters were examined for objects that stood out in the H-alpha filter. Follow-up observations were conducted during the summer of 2011 with [O III] and Sloan g' and i' filters on a subset of clusters that appeared to have objects of interest. We present the results of our open cluster survey
Balick Bruce
Braxton Kelsey
Gomez Teresa
Gunning H.
Lutz Julie H.
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