数字巡天
- 网络digital sky survey
数字巡天-
这项研究是斯隆数字巡天项目（SDSS）的一部分。
The research was conducted as a part of Sloan Digital Sky Survey ( SDSS ) .
-
随着现代巡天的迅速发展，星系的光谱数据到达了前所未有的数量，尤其是斯隆数字巡天更是带来了数百万的高质量星系光谱。
With the advent of large-area spectroscopic surveys , galaxy spectral data reached unprecedent-ed numbers , especially the Sloan Digital Sky Survey provide millions of high-quality spectra .
-
本文利用Sloan数字巡天（SDSS）第二次释放的数据（DR2），选取了一个包含有6878个面向（face-on）旋涡星系的大样本。
A large sample which contains 6878 face-on disk galaxies is selected from the data released by Sloan Digital Sky Servey ( SDSS . DR2 ) .