UCD search
Search catalogs containing a type of columns (UCD). Use the logical characters '|' (or) or '&' (and) to link them together.
Simple examples
Textual search
UCD tree
Choose catalogs containing a type of column by clicking on the belower checkbox
pos.*Position J2000pos.eq*
Galacticpos.gal*
parallaxpos.parallax*
Motion redshiftsrc.redshift*
radial velocityspect.dopplerVeloc*|phys.veloc*
proper motionpos.pm*
phot.flux*Flux Radiophot.flux*;em.radio*
IRphot.flux*;em.IR*|phot.flux*;em.mm*
Opticphot.flux*;em.opt*
High energyphot.flux*;em.X-ray*|phot.flux*;em.gamma*
phot.mag*|phot.color*|phys.magAbs*Magnitude magnitude IR (K band) (2mass)phot.mag*;em.IR.K*
magnitude Optical (B band) (SDSS G)phot.mag*;em.opt.B*
colorphot.color*
absolutephys.magAbs*
Enter a free text below to get matching UCD definitions. Next click on the (definition.text) to select the corresponding UCD.
Ex: proper motion , redshift
Click on (ucd) to select all definitions containing the ucd (i.e.: *ucd*)