Praesepe & M 67 spectral standards

We present a grid of stellar classification spectra of moderate resolution (R~1500) in the range lambda lambda 5600-9000A, compiled from high signal-to-noise spectra of 275...本文构建了一套中等分辨率（R≈1500）的恒星分类光谱网格，其波长覆盖范围为λλ 5600–9000埃，该数据集由275条高信噪比光谱汇编而成