Sloan Digital Sky Survey SkyServer SDSS-III Data Release 9 (DR9)
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下载链接：
http://skyserver.sdss.org/dr9
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资源简介：
Data Release 9 (DR9) offers the latest data from the Sloan Digital Sky Survey. Data Release 9 is the first release of the spectra from the SDSS-III's Baryon Oscillation Spectroscopic Survey (BOSS), which includes more than 800,000 spectra over 3,300 square degrees of sky, observed with the new 1,000-fiber BOSS spectrograph.
Data Release 9 also includes all imaging and spectra from prior SDSS data releases, and provides corrected astrometry for the imaging from Data Release 8.
DR9 also includes better stellar parameter estimates, provided by an updated SEGUE Stellar Parameter Pipeline (SSPP). The principal changes from DR8 are summarized in the What's New in DR9.
提供机构：
Sloan Digital Sky Survey
创建时间：
2017-12-21
