High frequency peakers

Details High frequency peakers High frequency peakers

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002newar..46..299d&link_type=abstract

New Astronomy Reviews, Volume 46, Issue 2-7, p. 299-302.

Astronomy and Astrophysics

Astronomy

2

Scientific paper

Here we present preliminary work on two samples of radio sources having convex radio spectra peaking at frequencies higher than a few GHz (High Frequency Peakers or HFPs). The samples have been selected by a comparison between the Green Bank survey at 4.9 GHz and the NRAO VLA Sky Survey (NVSS) at 1.4 GHz. We briefly discuss our very short simultaneous multifrequency VLA observations, aimed to remove flat-spectrum variable sources from the lists, and therefore produce two samples of /genuine HFP sources.

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