Deep spectroscopy of NGC 7009
收藏B2FIND2026-03-19 收录
下载链接：
https://b2find.eudat.eu/dataset/9ebe1202-14f0-5848-95cc-22a548915523
下载链接
链接失效反馈官方服务：
资源简介：
We present very deep CCD spectrum of the bright, medium-excitation planetary nebula NGC 7009, with a wavelength coverage from 3040 to 11000{AA}. Traditional emission line...
