Sloan Digital Sky Survey
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     - SQL
     - Imaging Query
     - Spectro Query
     - IR Spec Query
 Object Crossid
 Skyquery CrossMatch NEW!
 CasJobs
Spectroscopic Query Form
Limit number of output rows (0 for max) to
Output Format HTML XML CSV JSON VOTable FITS MyDBNEW!
Table name
Please see the Query Limits help page for timeouts and row limits. To get FITS files
from the
Science Archive Server (SAS), please use the button(s) on the query results page.
Parameters to return
(Shift-mouse to select multiple contiguous entries, Ctrl-mouse to select non-contiguous entries)
Spectroscopy Imaging
 
Position Constraints
Rectangle
min
ra
dec
   (max 10 square degrees)
max
ra
dec
Cone
center
ra
dec
radius   arcmin  (max 30')
Proximity
List of ra, dec[, radius]     (max 100 obj)
 Nearest Only   All Nearby 
radius  arcmin (max 10')

 Upload File
 
None
No position constraint
 
Spectroscopy Constraints
Redshift,
Classification
min
redshift
Redshift Warning Flags
No warnings
Classification
max
redshift
(Shift-mouse to select multiple contiguous entries, Ctrl-mouse to select non-contiguous entries)
Target Flags
(PRIMTARGET)
At least one of these bits ON
All of these bits OFF
Target Flags
(SECTARGET)
At least one of these bits ON
All of these bits OFF
 
Imaging Constraints
Magnitude and Color Type Petro Model PSF
Magnitudes min
u
g
r
i
z
max
u
g
r
i
z
Colors min
u-g
g-r
r-i
i-z
 
max
u-g
g-r
r-i
i-z
 
Obj Type
Extended Sources (e.g., Galaxies) Sky
Point Sources (e.g., Stars) Unknown
Score Return value min score (enter value from 0 to 1, e.g. 0.9
(Shift-mouse to select multiple contiguous entries, Ctrl-mouse to select non-contiguous entries)
Obj Flags
At least one of these flags ON   All of these flags OFF