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Precision astrometry with SuperCOSMOS

Abstract:

We describe the new, fast, high-precision microdensitometer SuperCOSMOS. Some aspects of hardware and software design that enable high-precision astrometry from photographic plates are explained. We show that the positioning repeatability of the measuring machine is less than 0.1 μm standard error in either coordinate, and the absolute positional accuracy is about 0.15 μm standard error. Furthermore, measurements of the same plate in different orientations show that the sampling errors are sm...

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Authors


Hambly, NC More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
MacGillivray, HT More by this author
Cormack, WA More by this author
Journal:
Monthly Notices of the Royal Astronomical Society
Volume:
298
Issue:
3
Pages:
897-904
Publication date:
1998-08-11
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:a4fd0908-f926-4084-adf2-a0bcbb3a1768
Source identifiers:
344031
Local pid:
pubs:344031
Language:
English
Keywords:

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