The Nançay Radio Telescope Archive

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

The Nançay radio telescope (NRT) is a national facility, the fourth single-dish instrument in the world for its collecting area. It provides spectral and/or continuum data in the frequency range 1.06 to 3.5 GHz, and covers various scientific fields in solar system astronomy (comets, planets...), galactic astronomy (pulsars, late type stars, star forming regions, microquasars...) and extragalactic astronomy (HI in galaxies, large scale structure of the universe, quasars...). Two on-line databases {http://klun.obs-nancay.fr} and a general archive are being designed to fullfill the VO standards: HIG (HI profiles of Galaxies) contains reduced 1-D 21-cm spectra for ˜4500 galaxies; NAP (Nançay Archive of Pulsars) provides a few thousand pulse profiles from regular timing observations of ˜40 pulsars; NRTA (Nançay Radio Telescope Archive) will host all NRT data from the backends (correlator, digital spectrometer and pulsar dedispersors). Most of the data consist of dynamical spectra (time-frequency domain). The package which is used for the database management and for the data-processing pipeline is the Pleinpot software, which has been developed for the hyperleda database {http://leda.univ-lyon1.fr/install/mirror.html}.

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