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2011MNRAS.415..701R - Mon. Not. R. Astron. Soc., 415, 701-708 (2011/July-3)
A new astrometric reduction of photographic plates using the DAMIAN digitizer: improving the dynamics of the Jovian system.
ROBERT V., DE CUYPER J.-P., ARLOT J.-E., DE DECKER G., GUIBERT J., LAINEY V., PASCU D., WINTER L. and ZACHARIAS N.
Abstract (from CDS):
We have developed methods and algorithms adapted to specific plates provided by USNO, using the DAMIAN digitizer of ROB. From a set of 35 plates taken in 1974, we have been able to produce measurements with an accuracy better than 0.08 µm and after reduction using the UCAC2 catalogue, rms residuals of 35 mas (1.7 µm) for intersatellite positions (when the original reduction provided 100 mas) and of 65 mas for equatorial RA and Dec. positions (which were not possible to get with the original reduction). First results on the dynamics of the satellites and of the planet Jupiter are provided.
Abstract Copyright: 2011 The Authors Monthly Notices of the Royal Astronomical Society2011 RAS
Journal keyword(s): techniques: image processing - astrometry - ephemerides - planets and satellites: general
Simbad objects: 2
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