JACOBS, Christopher; CHARLOT, P.; ARIAS, E. F.; BOWHM, J.; BOLOTIN, S.; BOURDA, G.; DE WITT, A.; FEY, A. L.; GAUME, R.; GORDON, D.; HENIKELMANN, R.; LAMBERT, S.; MA, C.; MALKIN, Z.; NOTHNAGEL, A.; SKURIKHINA, E.; TITOV, O.

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JACOBS, Christopher

CHARLOT, P.
M2A 2018

ARIAS, E. F.

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Communication dans un congrès

Ce document a été publié dans

42nd COSPAR Scientific Assembly. Held 14-22 July 2018, in Pasadena, California, USA, Abstract id. B2.1-31-18., 2018-07-14, Pasadena. 2018

Résumé en anglais

The ICRF-3 proposal to the 2018 IAU General assembly improves the precision, spatial coverage, and frequency coverage relative to the current standard, the ICRF-2 (Ma et al, 2009).This paper will discuss all three frequencies (8, 24, 32 GHz) of the proposed ICRF-3 highlighting their strengths and weaknesses. Inter-comparisons will be used to estimate true accuracy of the frame. Comparisons of radio-based VLBI frames to the optical Gaia DR2 frame will provide a complementary assessment from an independent wavelength and technique. We will close with prospects for future development of the ICRF.< Réduire

Mots clés en anglais

ICRF3

ICRF

VLBI

astrometry

quasar

AGN

S/X-band

K-band

X/Ka-band

Origine

Importé de hal

Unités de recherche

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