leda SQL access to data site

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Type your SQL query in the following field. Customize output. Then click on "Submit SQL".
For technical reasons, the output is limited to 100,000 rows. For bigger selection you have to split your query into parts using constraints on coordinates, redshift, and/or other fields.
Separator between fields (character string)
Representation of undefined numerical values (character string)

Note that the output of a query may be large (Gigabytes) and may overflow the capacity of your client, in particular if it is a web browser. We advise you to check carefully your query.

Click here to have the list of astrophysical parameters and here for explanations about their computation.


HyperLeda Questions: leda@univ-lyon1.fr