Instructions on how to use this form

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Target Position By position and search radius (J2000) RA DEC Radius (arcmin)   By min/max range of RA,dec (J2000) Min. RA Max. RA Min. DEC Max. DEC

Object Type / ID   Object Name Identification Any QSO NELG star gal cont ?? sub-class Any BAL DA DB DO DZ CV DAM DBM

Magnitudes and Colours Correct for galactic extinction? Faintest u Brightest u Faintest g Brightest g Faintest r Brightest r Faintest i Brightest i Faintest z Brightest z   Min. (u-g) Max. (u-g) Min. (g-r) Max. (g-r) Min. (r-i) Max. (r-i) Min. (i-z) Max. (i-z)

Redshift Min. z Max. z

Data Quality Min. Quality Max. Quality Min. S/N Max. S/N

Maximum number of records to return: rows.