BT-NextGen (GNS93)

The NextGen Model grid of theoretical spectra; Gas phase only, valid for Teff > 2700 K. Updated opacities. Wavelengths have been converted to air wavelengths.理论光谱NextGen模型网格；仅包含气相，适用于有效温度（Teff）大于2700 K的情况。不透明度已更新。所有波长均已转换为空气波长。