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Spectro CrossIdentification for DR4

Cut and paste the object list containing a unique plate, mjd and fiber:

Or upload it as text file

Type your query here:



This page is to do dynamic cross identifications of the SDSS spectroscopic objects with a user defined list of (plate, mjd, fiber) values. In order to avoid congestion on the server, the list is limited to a size of 80KB. If this is a problem, please submit your list in pieces.
The format of the list can be from the following choices:
You need to either cut/paste the list into the textbox, or upload a text file. Various extensions (.txt, .dat, .csv, .tbl) are allowed, as long as the MIME type does not get confused. Binary files are not accepted.
If both the paste buffer and file upload are specified, the file upload takes precedence.
Query is limited to 600 seconds and 100000 rows. Please see the Query Limits page.