On-Line Services at CDS for Distribution of HIPPARCOS Data

Details On-Line Services at CDS for Distribution of HIPPARCOS Data On-Line Services at CDS for Distribution of HIPPARCOS Data

Aug 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997esasp.402...81e&link_type=abstract

Proceedings of the ESA Symposium `Hipparcos - Venice '97', 13-16 May, Venice, Italy, ESA SP-402 (July 1997), p. 81-84

Astronomy and Astrophysics

Astronomy

Scientific paper

CDS has been implementing the following functionalities for a timely distribution of Hipparcos and Tycho products, when they are released, in June 1997: 1. Access will be given to the Hipparcos catalogues (ESA 1997) through the VizieR catalogue browser, allowing queries by any of the catalogue fields. A frequent use of the system will be the extraction of Hipparcos or Tycho records related to a given area of the sky, defined by its coordinates or by the name of a central object (this last functionality making use of the SIMBAD name resolver). 2. Access will be given to Hipparcos result catalogues through the `Astronomer's Bazaar' (ftp access to the complete files). The system supports the transfer of compressed files in order to optimize use of network bandwidth. 3. The Hipparcos and Tycho Catalogues will be included within SIMBAD as soon as possible after the June 1997 release date. The work has already been prepared with the Input Catalogues; nevertheless, it will take some time before a number of inconsistencies are investigated and solved. 4. The Aladin interactive sky atlas, in its final development phase, will also support access to the Hipparcos and Tycho data for photometric and astrometric calibration and for overlays on digitized sky images. In the future, as CDS services continue to evolve, more links will be added between these services and the associated bibliographic services, allowing yet more powerful support for the usage of Hipparcos or Tycho data products.

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