A DOI (or Digital Object Identifier) is used to reliably identify digital content. They’re most often assigned to journal articles, but they can also be assigned to books, videos, infographics — ...
Upload astronomical images to Astrometry.net to identify objects. Use SIMBAD to find object properties and links to other databases. Explore Aladin to visualize and investigate surrounding objects.
DOI (digital object identifier) is a unique and persistent identifier for digital objects or documents. DOI identifiers refer to websites on which the metadata of the relevant datasets can be found.
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