Millimeter continuum observations of parent comets of meteor storms

Details Millimeter continuum observations of parent comets of meteor storms Millimeter continuum observations of parent comets of meteor storms

Nov 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.495....9h&link_type=abstract

In: Proceedings of the Meteoroids 2001 Conference, 6 - 10 August 2001, Kiruna, Sweden. Ed.: Barbara Warmbein. ESA SP-495, Noordw

Computer Science

Comets, Meteors

Scientific paper

The 2 millimeter continuum observations of parent comets of meteor storms, 55P/Tempel-Tuttle and 21P/Giacobini-Zinner, were made with a bolometer array installed on the 45m radio telescope at the Nobeyama Radio Observatory. 55P/Tempel-Tuttle was observed on January 16 1998, near its closest approach to the earth, and 21P/Giacobini-Zinner was observed November 5 and 8 1998. The maps obtained showed no signal from these comets greater than 12.0 mJy for 55P/Tempel-Tuttle and 17.4 mJy for 21P/Giacobioni-Zinner (3σ). We estimated that the mass upper limits in the 12 arcsec beam were 7.5×109kg and 6.2×1010kg for 55P/Tempel-Tuttle and 21P/Giacobini-Zinner respectively. We estimated total mass of these meteor streams from the observed upper limits. The derived total mass upper limits of the meteor streams are compared to those of meteor streams.

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