Peschke, S.B. and Grun, E. and Bohnhardt, H. and Campins, H. and Osip, D.J. and Hanner, M.S. and Heinrichsen, I. and Knacke, R.F. and Leinert, C.H. and Lemke, D. and Stickel, M. and Lisse, C.M. and Sykes, M. and Zarnecki, J.C. (1997) Isophot observations of comet Hale-Bopp - First results. Earth, Moon, and Planets, 78 (1-3). pp. 299-304. ISSN 0167-9295 .
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| Official URL http://dx.doi.org/10.1023/A:1006281923528 |
Abstract
Comet Hale-Bopp has been observed five times with ISOPHOT, the photometer on board the Infrared Space Observatory (ISO), four times before its perihelion passage at heliocentric distances of 4.92, 4.58, 2.93 and 2.81 AU, and at 3.91 AU postperihelion. Each time, multi-filter photometry covering the range between 3.6-175 mu m with eight to ten filters was performed to sample the spectral energy distribution of the comet. These measurements were used to determine dust temperatures for the cometary coma. The evolution of the strength of the silicate feature can be followed in the data as well as the flux deficit at longer wavelengths.
| Item Type: | Article |
|---|---|
| Additional information: | Conference Information: 1st International Conference on Comet Hale-Bopp Tenerife, Spain, FEB 02-05, 1998 |
| Uncontrolled keywords: | comet Hale-Bopp; ISOPHOT; spectral energy distribution; dust temperatures |
| Subjects: | Q Science > QB Astronomy |
| Divisions: | Faculties > Science Technology and Medical Studies > School of Physical Sciences > Centre for Astrophysics and Planetary Sciences |
| Depositing User: | M.A. Ziai |
| Date Deposited: | 22 Sep 2009 14:41 |
| Last Modified: | 22 Sep 2009 14:41 |
| Resource URI: | http://kar.kent.ac.uk/id/eprint/18236 (The current URI for this page, for reference purposes) |
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