most citedAstrometric suitability of optically-bright ICRF sources for the alignment with the future Gaia celestial reference frame

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astro-ph2008★ 38 cited

Astrometric suitability of optically-bright ICRF sources for the alignment with the future Gaia celestial reference frame

G. Bourda, P. Charlot, J. -F. Le Campion

The ICRF, currently based on the position of 717 extragalactic radio sources observed by VLBI, is the fundamental celestial reference frame adopted by the IAU in 1997. Within the n…