Limits to the incidence of planetary nebulae in globular clusters

Details Limits to the incidence of planetary nebulae in globular clusters Limits to the incidence of planetary nebulae in globular clusters

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....79...31p&link_type=abstract

Astronomy and Astrophysics, vol. 79, no. 1-2, Oct. 1979, p. 31-34. Research supported by the Science Research Council.

Astronomy and Astrophysics

Astrophysics

1

Globular Clusters, Planetary Nebulae, Stellar Evolution, Brightness, Main Sequence Stars, Optical Thickness

Scientific paper

Nebular detection rates in globular clusters are investigated as a function of survey limiting magnitudes. It is found that current detection rates are reasonably consistent with stellar evolutionary theory, providing a high proportion of stars act as nebular progenitors. A substantial increase in the number of known nebulae is found to require deep surveys of many clusters. It is shown that current nebular detection rates do not necessarily indicate a deficiency of nebulae with large radii, as proposed by Osterbrock (1964) and Zuckermann et al. (1978).

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