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首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >Physical relation of source i to IRc2 in the orion kl region
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Physical relation of source i to IRc2 in the orion kl region

机译：猎户座kl区域中源i与IRc2的物理关系

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摘要

We present mid-infrared narrow-band images of the Orion BN/KL region, and N-band low-resolution spectra of IRc2 and the nearby radio source "I". The distributions of the silicate absorption strength and the color temperature have been revealed with a subarcsec resolution. The detailed structure of the 7.8μm=12.4μm color temperature distribution was resolved in the vicinity of IRc2. A mid-infrared counterpart to source I has been detected as a large color temperature peak. The color temperature distribution shows an increasing gradient from IRc2 toward source I, and no dominant temperature peak is seen at IRc2. The spectral energy distribution of IRc2 could be fitted by a two-temperature component model, and the "warmer component" of the infrared emission from IRc2 could be reproduced by scattering of radiation from source I. IRc2 itself is not self-luminous, but is illuminated and heated by an embedded luminous young stellar object located at source I.
机译：我们展示了Orion BN / KL地区的中红外窄带图像，以及IRc2和附近的无线电源“ I”的N波段低分辨率光谱。硅酸盐吸收强度和色温的分布以亚弧分辨率显示。在IRc2附近解析了7.8μm=12.4μm色温分布的详细结构。已检测到源I的中红外对应物是一个较大的色温峰。色温分布显示从IRc2到光源I的梯度逐渐增加，并且在IRc2处未看到主导温度峰。 IRc2的光谱能量分布可以通过两个温度分量模型拟合，并且IRc2的红外发射的“更暖分量”可以通过源I的辐射散射来重现。IRc2本身不是自发光的，而是由位于光源I处的嵌入式发光年轻恒星物体照明和加热。

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