Mid-Infrared Spectrum of the Zodiacal Light Observed with AKARI/IRC

被引:0
|
作者
Ootsubo, Takafumi [1 ]
Ueno, Munetaka [1 ]
Ishiguro, Masateru [2 ]
Usui, Fumihiko [1 ]
Pyo, Jeonghyun [3 ]
Hong, Seung Soo [3 ]
Kwon, Suk Minn [4 ]
Mukai, Tadashi [5 ]
机构
[1] JAXA, ISAS, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 2298510, Japan
[2] Natl Astron Observ Japan, Tokyo, Japan
[3] Seoul Natl Univ, Seoul, South Korea
[4] Kangwon Natl Univ, Kangwon, South Korea
[5] Kobe Univ, Kobe, Hyogo, Japan
关键词
INTERPLANETARY DUST; EMISSION; COBE;
D O I
暂无
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present three spectra of the zodiacal light observed in mid-infrared wavelength region with Infrared Camera (MC) on board AKARI The IRC spectra (5.5-12.5 mu m) show an excess emission feature in 9-11 mu m which can be reasonably accounted for by a combination of amorphous and crystalline silicate. The MC observation suggests the presence of crystalline silicate features (9.3 and 11.35 mu m) in the zodiacal light spectrum, indicating that pyroxene-rich anhydrous chondritic porous interplanetary dust particle-like dust may be one of major sources for the small (< 10 mu m) interplanetary dust particles.
引用
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页码:395 / +
页数:2
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