| 光谱学与光谱分析 |
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| Non-Parameter Estimation Algorithm to Determine Stellar Effective Temperature |
| ZHANG Jian-nan1, 2,WU Fu-chao1,LUO A-li2,ZHAO Yong-heng2 |
1. National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing 100080, China
2. National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China |
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Abstract The effective temperature of a star is one of the most important parameters, which determine the continuum and spectral lines in the stellar spectrum. A non-parameter estimation algorithm is proposed to estimate the stellar effective temperature in the present paper. Firstly, the spectrum data is processed by principal component analysis(PCA), then, an estimating model based on a Gaussian kernel function is set up using the PCA data and their temperatures. Experiments were carried out to verify the efficiency, and numerical robustness of the algorithm is also tested.
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Received: 2004-10-04
Accepted: 2004-12-19
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Corresponding Authors:
ZHANG Jian-nan
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| Cite this article: |
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ZHANG Jian-nan,WU Fu-chao,LUO A-li, et al. Non-Parameter Estimation Algorithm to Determine Stellar Effective Temperature[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(12): 2088-2091.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2005/V25/I12/2088 |
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