8- to 13-micron spectra of asteroids

Details 8- to 13-micron spectra of asteroids 8- to 13-micron spectra of asteroids

May 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icar...62..282g&link_type=abstract

Icarus (ISSN 0019-1035), vol. 62, May 1985, p. 282-288.

Astronomy and Astrophysics

Astronomy

20

Asteroids, Infrared Astronomy, Emission Spectra, Spectrophotometry, Asteroids, Spectra, Emissions, Features, Photometry, Fortuna, Patientia, Ceres, Pallas, Hebe, Iris, Hygeia, Psyche, Eugenia, Nemausa, Melete, Diana, Cybele, Astronomy, Observations, Catalog

Scientific paper

It is pointed out that thermal emission from asteroids reaches a maximum in the 10- to 20-micron region. In connection with the present investigation, a uniform set of spectra was obtained in the 8- to 13-micron region for 12 asteroids (together with additional observations of 19 Fortuna). These spectra provide a potentially valuable data set for future use (e.g., with IRAS data). The main conclusion from the obtained results is that diagnostic emission features of the type observed by Feierberg et al. (1983) are not common in C- and M-type asteroids. Optical studies of 19 Fortuna do not reveal any unusual properties which distinguish it from other C-type asteroids observed.

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