ANDREI, A. H.; ANTON, S.; BARACHE, C.; BOUQUILLON, S.; BOURDA, G.; LE CAMPION, J.-F.; CHARLOT, P.; LAMBERT, S.; PEREIRA OSÓRIO, J. J.; SOUCHAY, J.; TARIS, F.; ASSAFIN, M.; CAMARGO, J. I. B.; DA SILVA NETO, D. N.; VIEIRA MARTINS, R.

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Licencia de uso del documento

ANDREI, A. H.
Observatorio Nacional/MCT
Observatório do Valongo

ANTON, S.
Faculdade de Ciências da Universidade do Porto [FCUP]

BARACHE, C.
Systèmes de Référence Temps Espace [SYRTE]

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Article de revue

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Memorie della Societa astronomica italiana. 2012, vol. 83, p. 930

Società astronomica italiana

Resumen en inglés

The manifold Gaia scientific output rely on precise astrometry accurate to submas standards. This depends on building a fundamental reference frame formed by pointlike, position stable, and allsky homogeneous grid points. In one word, quasars. The Gaia CU3 Initial Quasar Catalogue Working Package was established to beforehand produce one such list, although ultimately the satellite multiband photometry aided by astrometric monitoring has the potential to pick up a clean sample of quasars.< Leer menos

Palabras clave en inglés

host galaxy

Gaia

Stars: abundances

AGN: QSO

varibility

Orígen

Importado de Hal

Centros de investigación

Laboratoire d'Astrophysique de Bordeaux (LAB) - UMR 5804