An IRAS search for dust in globular clusters

Details An IRAS search for dust in globular clusters An IRAS search for dust in globular clusters

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj....100..719l&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 100, Sept. 1990, p. 719-736. Research supported by the Aerospace Corp.

Astronomy and Astrophysics

Astronomy

29

Cosmic Dust, Globular Clusters, Infrared Astronomy Satellite, Astronomical Catalogs, Sky Brightness, Sky Surveys (Astronomy), Thermal Emission

Scientific paper

The IRAS Point-Source Catalog, Small-Scale Structure Catalog, and HCON1 Sky Brightness Images were searched for sources of emission that were spatially coincident with any of 144 globular clusters. The purpose was to measure or place upper limits on the amount of thermal dust emission from the clusters, which would lead to estimates and upper limits to the mass of intraglobular dust. Sputtering by hot gas in the galactic halo can destroy dust grains and thus possibly explain the absence of dust in glogular clusters.

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