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1988•Symposium - International Astronomical UnionOpen access

A Very Special Catalogue: The Hipparcos Input Catalogue

C. Turon

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Abstract

The various characteristics of the HIPPARCOS Input Catalogue are described: – How to select 110 000 stars for HIPPARCOS observation from the 210 000 proposed stars, taking into account the following sometimes conflicting requirements : satisfy a maximum of scientific programmes and respect the observational constraints inherent in the HIPPARCOS satellite operation ? – What are the present results regarding the principal astrometric programmes ? – How to process the specific problems which are raised by the HIPPARCOS observation of double and multiple stars and of stars in dense areas ? – Which compilations and observations have been undertaken and are in progress within the frame of the Input Catalogue preparation ? What will be the quality of the final data ? Finally, the contents of the catalogues and annexes that will be published are briefly presented.

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The various characteristics of the HIPPARCOS Input Catalogue are described: – How to select 110 000 stars for HIPPARCOS observation from the 210 000 proposed stars, taking into account the following sometimes conflicting requirements : satisfy a maximum of scientific programmes and respect the observational constraints inherent in the HIPPARCOS satellite operation ? – What are the present results regarding the principal astrometric programmes ? – How to process the specific problems which are raised by the HIPPARCOS observation of double and multiple stars and of stars in dense areas ? – Which compilations and observations have been undertaken and are in progress within the frame of the Input Catalogue preparation ? What will be the quality of the final data ? Finally, the contents of the catalogues and annexes that will be published are briefly presented.

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Available abstract

The various characteristics of the HIPPARCOS Input Catalogue are described: – How to select 110 000 stars for HIPPARCOS observation from the 210 000 proposed stars, taking into account the following sometimes conflicting requirements : satisfy a maximum of scientific programmes and respect the observational constraints inherent in the HIPPARCOS satellite operation ? – What are the present results regarding the principal astrometric programmes ? – How to process the specific problems which are raised by the HIPPARCOS observation of double and multiple stars and of stars in dense areas ? – Which compilations and observations have been undertaken and are in progress within the frame of the Input Catalogue preparation ? What will be the quality of the final data ? Finally, the contents of the catalogues and annexes that will be published are briefly presented.

Key concepts: Stars, Principal (computer security), Satellite, Frame (networking), Quality (philosophy), Process (computing), Computer science, Physics

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