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Optical Reference Frame Defined by Carlsberg Meridian Catalogue La Palma Number 4

Published online by Cambridge University Press:  19 July 2016

LV Morrison ,
RW Argyle ,
L Helmer ,
C Fabricius ,
OH Einicke ,
L Quijano  and
JL Muiños
LV Morrison
Affiliation:
Royal Greenwich Observatory, UK
RW Argyle
Affiliation:
Royal Greenwich Observatory, UK
L Helmer
Affiliation:
Copenhagen University Observatory, DK
C Fabricius
Affiliation:
Copenhagen University Observatory, DK
OH Einicke
Affiliation:
Copenhagen University Observatory, DK
L Quijano
Affiliation:
Real Instituto y Observatorio de la Armada en San Fernando, SP
JL Muiños
Affiliation:
Real Instituto y Observatorio de la Armada en San Fernando, SP

Abstract

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The contribution of the Carlsberg Meridian Catalogue La Palma Number 4 to the determination of the optical reference frame is discussed. This catalogue of almost 51000 stars provides one of the most accurate optical reference frames at the present epoch, having a density of 1 star per square degree, and an average accuracy of 0.″12 in position and 0.″003 per year in proper motion for stars with V<9. The catalogue also contains positions of reference stars with V>11 in the fields of benchmark extragalactic radio sources which can be used in linking the optical reference frame defined by the FK5 to the extragalactic frame.

Type
Part 4: Realization and comparison of reference frames
Information
Symposium - International Astronomical Union , Volume 141: Inertial Coordinate System on the Sky , 1990 , pp. 391 - 401
Copyright
Copyright © Kluwer 1990 

References

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Morrison, L.V., Argyle, R.W., Requième, Y. and Mazurier, J.M. (1990) ‘Comparison of optical and radio positions of stars’, submitted to Astron. Astrophys. Google Scholar