Spectroscopic investigations of meteorites

被引：1
|
作者：
Pentikainen, Hanna [1 ]
Penttila, Antti [1 ]
Muinonen, Karri [1 ,2 ]
Peltoniemi, Jouni [1 ,2 ]
机构：
[1] Univ Helsinki, Dept Phys, FI-00014 Helsinki, Finland
[2] Finnish Geodet Inst, FI-02431 Masala, Finland
来源：
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2014年 / 146卷
基金：
芬兰科学院;
关键词：
Reflectance spectroscopy; Meteorites; Asteroids; Principal component analysis; Light scattering; REFLECTANCE SPECTRA; PARTICLES;
D O I：
10.1016/j.jqsrt.2014.02.007
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have measured reflectance spectra (450-2250 nm) of centimeter-size pieces of 18 different meteorites. The measurements were carried out with the Finnish Geodetic Institute Field Goniospectrometer. Principal Component Analysis performed on the spectra tends to separate the undifferentiated ordinary chondrites and differentiated achondrites. Furthermore, we determined single-scattering albedos for meteoritic single particles with a phenomenological radiative-transfer model using realistic scattering phase functions. Single-scattering albedos for the analyzed ordinary chondrites range from 0.65 to 0.9. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：391 / 401
页数：11
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