Composition of cometary dust: The case against silicates

Authors
Mendis, DA Wickramasinghe, NC
Citation
Da. Mendis et Nc. Wickramasinghe, Composition of cometary dust: The case against silicates, ASTRO SP SC, 268(1-3), 1999, pp. 125-128
Citations number
14
Categorie Soggetti
Space Sciences
Journal title
ASTROPHYSICS AND SPACE SCIENCE
ISSN journal
0004640X → ACNP
Volume
268
Issue
1-3
Year of publication
1999
Pages
125 - 128
Database
ISI
SICI code
0004-640X(1999)268:1-3<125:COCDTC>2.0.ZU;2-R
Abstract
It is argued that the infrared emission including 10 and 18 mu features obs erved in recent comets is unlikely to be due to silicates. The vaporization temperature of the emitting material similar to 500 K is consistent with e mission by crystalline polyformaldehyde.