The NRAO VLA Sky Survey (NVSS) is a 1.4 GHz continuum survey covering the entire sky north of -40 deg declination. NVSS intensity maps - resampled in Healpix by CDS. Original acknowledgement for data: Any papers using observational material taken with NRAO instruments (Karl G. Jansky Very Large Array or otherwise) or papers where a significant portion of the work was done at NRAO, should include the following acknowledgement to NRAO and NSF: