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Title:
The observations of Near Earth Objects by the automatic mirror astrograph ZA-320M at Pulkovo observatory
Authors:
Devyatkin, A. V.; Kulish, A. P.; Kouprianov, V. V.; Gorshanov, D. L.; Bekhteva, A. S.; Krakosevich, O. V.; Aleshkina, E. Yu.; Ibragimov, F. M.; L'Vov, V. N.; Smekhacheva, R. I.; Tsekmeister, S. D.
Publication:
Near Earth Objects, our Celestial Neighbors: Opportunity and Risk, Proceedings if IAU Symposium 236. Edited by G.B. Valsecchi and D. Vokrouhlický, and A. Milani. Cambridge: Cambridge University Press, 2007., pp.391-398
Publication Date:
05/2007
Origin:
CUP
DOI:
10.1017/S1743921307003481
Bibliographic Code:
2007IAUS..236..391D

Abstract

In Pulkovo Observatory we make the observations of Solar System bodies: major planets, their satellites, comets and asteroids including Near Earth Objects. The automatic telescope was made for these purposes on the base of Mirror Astrograph ZA-320 (D = 320 mm, F = 3200 mm). It can make CCD observations of Solar System bodies up to 19.0 mag. The independent ephemerid supporting is fulfilled by means of program system EPOS developed in Pulkovo Observatory: tracing of catalogues of comets and asteroids, regular ephemeris calculations and control of the observations. Reduction of obtained CCD frames is fulfilled by means of automatic program system APEX developed in Pulkovo Observatory. In 2001-2006 there were obtained more then 12000 observations of minor bodies of Solar System including more then 6000 positions for 656 NEAs, about 1200 observations for 25 comets and about 2000 observations of major planets' satellites. The mean accuracy of obtained positions is 0.09"-0.40". We send the results of the observations to Minor Planet Center regularly. ZA-320M is 16-th of more then 680 telescopes in the worldwide rating of NEAs observing telescopes. In near years we are planning to begin observations with two automatic telescopes: Maksutov's MTM-500 (D = 500 ??, F = 4000 ??) and 1-meter telescope (D = 1000 ??, F = 1200 ??) situated on observational station of Pulkovo Observatory at Northern Caucasus (Kislovodsk, 2100 m above sea). These instruments will allow to increase the number of observations, their accuracy and limit magnitude (up to 20.5 mag).

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