Image Details
Caption: Figure 1.
Sky distribution of the 105,783 quasars in the catalog in J2000 equatorial coordinates. The primary components of the data set are those associated with the Legacy Survey (North Galactic Cap, the large contiguous area, and the South Galactic Cap, three narrow stripes aligned with the Celestial Equator) and SEGUE (the points lying off the stripes in the South Galactic Cap).
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