Asteroid Search with the DFBS

Details Asteroid Search with the DFBS Asteroid Search with the DFBS

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jena.confe..85b&link_type=abstract

"JENAM-2007, "Our non-stable Universe", held 20-25 August 2007 in Yerevan, Armenia. Abstract book, p. 85-85"

Physics

Scientific paper

Numerous new Solar System objects, mainly asteroids, are still detected nowadays but their physical and dynamical characteristics remain often unknown, or not accurate, until dedicated observations and analysis are made. Virtual Observatory is a perfect framework to search for this characterization by data mining. We are developing studies for this goal by exploring the DFBS spectroscopic survey. The detection is based on the use of a recent VO tool labeled SkyBoT (Sky Bodies Tracker). A public version of SkyBoT is implemented in the sky atlas Aladin since January 2006. It allows us to fastly get the precise coordinates of the asteroids and natural satellites in any star field knowing its center and size at any date between 1949 and 2009. The pipeline method is described. The DFBS (Digitized First Byurakan Spectroscopic Survey), has been performed from 1965 to 1980 on the 1 m Schmidt telescope of the Byurakan Observatory equipped with a 1°.5 prism objective. It involves low-resolution spectral data in the 0.34-0.69 µm range. More than 15 000 spectra are present on each one of the 2000 plates which led to about 20 millions of spectra in which we identify those of Solar System objects. Such a study would have been very difficult and very long to perform without the VO tools either for the detection of moving objects or for the analysis of the data. We will give the first results obtained.

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