Photometric and near-IR spectroscopic observations of a D-type asteroid (773) Irmintraud, by SUBARU/IRCS

Details Photometric and near-IR spectroscopic observations of a D-type asteroid (773) Irmintraud, by SUBARU/IRCS Photometric and near-IR spectroscopic observations of a D-type asteroid (773) Irmintraud, by SUBARU/IRCS

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002asthe..95..507k&link_type=abstract

The Astronomical Herald (ISSN 0374-2466), Vol. 95, No. 11, p. 507 - 514 (2002)

Astronomy and Astrophysics

Astronomy

Minor Planets, Photometry, Infrared Spectroscopy

Scientific paper

We have performed near-IR photometric and spectroscopic observations of a D-type asteroid, (773) Irmintraud, by SUBARU/IRCS. We also conducted the visible photometry to obtain the accurate light curve in Japan. In contrast to the previous observations of D-type asteroids, we found a gap between K- and L-band spectra, possibly due to 3-μm absorption of hydrous silicates. Our results support the idea that Tagish Lake meteorite has a link with D-type asteroids.

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