Yale/San Juan SPM4 Catalog

For advanced queries on this catalogue use ADQL possibly via TAP .

Coordinates (as h m s, d m s or decimal degrees), or SIMBAD-resolvable object
Search radius in arcminutes
V magnitude
No selection matches all, multiple values legal.
Galaxy/extended-source flag
Unique SPM4 id (field number + input catalog line number)
Sort by
Limit to items.

The Data Center is currently running in emergency mode after our database server failed catastrophically (see our blog for infos and updates).

This means, in particular, that services built on top of large tables may currently be broken. Since our replacement server is much slower than our usual machine, restoring them will take quite some time.

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