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A Program For A New Reduction Of Plates Of The Astrographic Catalogue

Published online by Cambridge University Press:  03 August 2017

S. Röser  and
H. Jahreiß
S. Röser
Affiliation:
Astronomisches Rechen-Institut, Mönchhofstrasse 12-14, D-6900 Heidelberg, Fed.Rep. of Germany
H. Jahreiß
Affiliation:
Astronomisches Rechen-Institut, Mönchhofstrasse 12-14, D-6900 Heidelberg, Fed.Rep. of Germany

Extract

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The Astrographic Catalogue is the major source of accurate first epoch coordinates of stars down to about 11 mag all over the sky. Therefore it could be the ideal tool for the determination of proper motions in this range of magnitudes - see also for example Fresneau (1985). There were mainly three reasons which prevented in the past a frequent use of this catalogue:

  1. 1) Apart from the „french“ zones (Lacroute 1981) the AC is not available in machine readable form.

  2. 2) Only measured plate coordinates x,y and plate constants mostly derived with the AGK1 as reference catalogue have been published.

  3. 3) The lack of easy to use software for a new reduction.

Type
Part II: Current Research
Information
Symposium - International Astronomical Union , Volume 133: Mapping the Sky: Past Heritage and Future Directions , 1988 , pp. 441 - 444
Copyright
Copyright © Kluwer 1988 

References

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