Sloan Digital Sky Survey
SkyServer DR16  
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The SDSS is a rich source of data for research into stellar astronomy. The DR16 database contains about 6 million stars, all of which are accessible through the SkyServer web site.

Click on one of the questions below to see a guide. Open the tools through the links provided in the guides, and follow along as you read.

How do I...

  1. Find stars that have been seen more than once?

  2. Find star spectra from the SDSS’s SEGUE survey?

  3. Find cataclysmic variables?

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