Fig. 4
NVSS (upper left) and FIRST (upper right) images of SDSS J155704.67+340309.4. Contours are increased by a factor of 2; the first contour level corresponds to 1 mJy/beam for NVSS image and 0.4 mJy/beam for the FIRST image. Crosses indicate the position of the galactic nucleus. Lower panel: SDSS spectrum of SDSS J155704.67+340309.4.
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