Hipparcos – Activities of the Input Catalogue Consortium
نویسندگان
چکیده
منابع مشابه
Comparison of the first results from the Hipparcos star mappers with the Hipparcos Input Catalogue
Preliminary positions and magnitudes derived from the analysis of 12 weeks of observations from the Hipparcos star mappers are systematically compared with the various sources of ground-based data used in the Hipparcos Input Catalogue. These comparisons allow to cross-check the accuracies claimed by the various sources of ground-based data and by the analysis method of star mapper data. The par...
متن کاملHipparcos as Input Catalogue for the Gomos Envisat Instrument
GOMOS is being developed as one of the ESA instruments to be own on-board the ENVISAT environmental satellite. This instrument is based on the star occultation principle. Using a medium resolution spectrometer, GOMOS will measure the concentration prooles of, and monitor the trends in, Ozone and other trace gases. The input catalogue of GOMOS, which could include some 1000 stars, is currently b...
متن کاملA critical quality assessment of the Hipparcos catalogue
A critical assessment of the quality of the Hipparcos data, partly supported by a completely new analysis of the raw data, is presented with the aim of clarifying reliability issues that have surfaced since the publication of the Hipparcos catalogue in 1997. A number of defects in the data are identified, such as scan-phase discontinuities and effects of external hits. These defects can be repa...
متن کاملSome Considerations in Making Full Use of the Hipparcos Catalogue
This contribution is intended as a ‘rough guide’ to the Hipparcos Catalogue for the non-expert user. Some general aspects of the use of astrometric data are discussed as well as Hipparcos-specific applications. We discuss when and at what level one may expect systematic errors to occur in the Hipparcos Catalogue. Next we discuss the question of the interpretation of the measured parallaxes in t...
متن کاملThe Hipparcos Catalogue: 10th anniversary and its legacy
The European Space Agency decision to include the Hipparcos satellite into its Science Programme is placed in the context of the years 1965-1980 and in the historical perspective of the progress of astrometry. The motivation and ideas which lead to the Hipparcos design are reviewed as well as its characteristics and performance. The amount and variety of applications represent an impressive evo...
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ژورنال
عنوان ژورنال: Highlights of Astronomy
سال: 1986
ISSN: 1539-2996
DOI: 10.1017/s1539299600007127