Yu-qing YANG, Jiang-hui CAI, Hai-feng YANG, Xu-jun ZHAO, Xiao-na YIN. LAMOST Unknown Spectral Analysis Based on Influence Space and Data Field[J]. Spectroscopy and Spectral Analysis, 2022, 42(4): 1186
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 4, 1186 (2022)
Fig. 1. A sample of test data
Fig. 2. The center and examples of the first type of low SNR spectrum
Fig. 3. The center and examples of the second type of low SNR spectrum
Fig. 4. The center and examples of the third type of low SNR spectrum
Fig. 5. The center and examples of the fourth type of low SNR spectrum
Fig. 6. The center and examples of the fifth type of low SNR spectrum
Fig. 7. The proportion of five types low SNR spectra and their distribution in the sky area
Fig. 8. Seeing distribution of low SNR spectra
Fig. 9. Magnitude distribution of low SNR spectra
Fig. 10. SNR distribution of low SNR spectra
Fig. 11. The statistics distribution of different types of low SNR spectra on SPID and FiberID
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