Miglioramento dell'accuratezza nelle misure astrometriche utilizzando il metodo delle plate constants

Details Miglioramento dell'accuratezza nelle misure astrometriche utilizzando il metodo delle plate constants Miglioramento dell'accuratezza nelle misure astrometriche utilizzando il metodo delle plate constants

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005asuai...1...44f&link_type=abstract

Astronomia. La rivista dell'Unione Astrofili Italiani (ISSN 0392-2308), N. 1, p. 44 - 46 (gennaio-febbraio 2005)

Astronomy and Astrophysics

Astronomy

Astrometry, Methods Of Reduction, Plate Constants

Scientific paper

A recurrent plate constants method for astrometric reduction is suggested. With the availability of detailed star catalogues such as USNO A-2.0 we are able to find dozens of reference stars in a field of only 0.5 square degrees. It is possible to improve the accuracy in the astrometric observations using only a limited set of reference stars, those that give the smaller values of the residuals applying the least squares method in the plate constants astrometric reduction. Several tests are presented and the accuracy of astrometric measurements is improved.

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