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Description Catalog Data Default Radius (arcmin) Mission Table Type
SDSS NBCKDE Catalog of Photometrically Selected Quasar Candidates sdssnbckdeN
1
 SDSS Object

1. Enter any constraints on the query below. [ Help on constraint syntax ]

(What about wildcards, spaces, and case sensitivity?)

2. To change the fields that are returned, select the box in the "View" column beside each field desired.

3. To sort the results by any field, select one box in the "Sort" column beside the field to sort on.


 Parameter (Unit) Min Value Max Value Value Type
name SDSS J000000.70+160540.6 SDSS J235959.94-094634.1 string
ra 00 00 00.706 23 59 59.941 position
dec -11 15 24.75 +76 54 38.85 position
rmag (mag) 14.290 25.598 float
rmag_error (mag) 0.006 9.999 float
redshift 0.065 6.075 float
previous_redshift -0.005 5.825 float
source_number 1 1172157 integer
lii (degree) 0.000020 359.999991 float
bii (degree) -74.037017 89.958411 float
sdss_object_id 587722952230174990 588848901539627646 string
redshift_lower_limit 0.060 5.700 float
redshift_upper_limit 0.080 6.420 float
redshift_probability 0.004 1.000 float
umag (mag) 14.289 29.384 float
gmag (mag) 14.272 30.208 float
imag (mag) 14.327 21.336 float
zmag (mag) 14.206 23.974 float
umag_error (mag) 0.008 9.999 float
gmag_error (mag) 0.006 9.999 float
imag_error (mag) 0.005 9.999 float
zmag_error (mag) 0.009 9.999 float
reddening (mag) 0.003 0.576 float
concentration -3.747 2.351 float
flux_20_cm (mJy) 1.00 14777.96 float
rass_count_rate (ct/s) 0.0014 5.7830 float
proper_motion (mas/yr) 0.01 11786.22 float
moving_flag -1 1 integer
qsots_flag 0 1 integer
lowzts_flag 0 1 integer
midzts_flag 0 1 integer
highzts_flag 0 1 integer
uvxts_flag 0 1 integer
log_quasar_density -50.000 1.855 float
log_star_density -50.000 -0.285 float
quality_flag 0 6 integer
previous_classification 2QZ_NELG U string

4. Do you want to change your current query settings?


(e.g. 'Cyg X-1' or '12 00 00, 4 12 6')
Use semicolons (;) to separate multiple object names or coordinate pairs (e.g. 'Cyg X-2; 12.235, 15.345').
Default uses the optimum radius for each catalog searched.

Not all tables have observation dates/times. For those that do, the time portion of the date is optional.
Times are always in UTC. Separate multiple dates/ranges with semicolons (;). Range operator is '..'
(e.g. '1992-12-31; 48980.5; 1995-01-15 12:00:00; 1997-03-20 .. 2000-10-18').
rows
Select to display all catalog parameters instead of only defaults.

5.


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