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Placing Schmidt Astrometry on The ICRS

Published online by Cambridge University Press:  14 August 2015

B. Bucciarelli ,
M.G. Lattanzi  and
B.M. Lasker
B. Bucciarelli
Affiliation:
OATo Strada Osservatorio 20, Pino Torinese TO, Italy
M.G. Lattanzi
Affiliation:
OATo Strada Osservatorio 20, Pino Torinese TO, Italy
B.M. Lasker
Affiliation:
STScI 3700 San Martin Dr., Baltimore, USA

Extract

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The sky-limited, large-area photographic surveys which are being used for the construction of the second generation Guide Star Catalog (GSC-II) will be for many years to come the largest astronomical database available. The survey plates are typically placed on a 5-degree grid, with each plate area of about 42 square degrees, for a total of more than 1700 plates covering the whole sky. The expected data volume is about 2 Tbytes per bandpass. The final product will consist of an all-sky catalog of positions, proper motions, magnitudes and at least one color to a minimum of V=18. Among the scientific motivations behind such an endeavor let us mention operation of ground-based telescopes and future space missions, observation planning, statistical investigations (see, e.g., Lasker et al. 1995, Cannon 1997)

Type
II. Joint Discussions
Information
Highlights of Astronomy , Volume 11 , Issue 1: Highlights of Astronomy. As presented at the XXIIIrd General Assembly of the IAU (Part A), 1997 , 1998 , pp. 294 - 296
Copyright
Copyright © Kluwer 1998

References

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