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Search for the Signature of Interstellar Dust in the COBE Data

Published online by Cambridge University Press:  27 February 2018

K. Grogan ,
S.F Dermott ,
B.Å.S. Gustafson ,
S. Jayaraman ,
Y.L. Xu  and
D. Hamilton
K. Grogan
Affiliation:
University of Florida, Department of Astronomy, Gainesville, FL 32611, USA
S.F Dermott
Affiliation:
University of Florida, Department of Astronomy, Gainesville, FL 32611, USA
B.Å.S. Gustafson
Affiliation:
University of Florida, Department of Astronomy, Gainesville, FL 32611, USA
S. Jayaraman
Affiliation:
University of Florida, Department of Astronomy, Gainesville, FL 32611, USA
Y.L. Xu
Affiliation:
University of Florida, Department of Astronomy, Gainesville, FL 32611, USA
D. Hamilton
Affiliation:
Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg, Germany

Abstract

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Impact data from the ULYSSES dust detector at 5 AU from the Sun have been interpreted as a flux of sub-micron interstellar dust particles (Grün et al, 1994) arriving from 252° ecliptic longitude and 2.5° ecliptic latitude. Following the motions of these particles under the influence of solar gravity, radiation pressure and electromagnetic forces, we present results from the modeling of the thermal emission from the resultant particle cloud, and conclude that the chances for the detection of such an interstellar signature in the COBE data are marginal at best.

Type
IX. Zodiacal Light and Thermal Emission
Information
International Astronomical Union Colloquium , Volume 150: Physics, Chemistry and Dynamics of Interplanetary Dust , 1996 , pp. 325 - 328
Copyright
Copyright © Astronomical Society of the Pacific 1996

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