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The PMA Catalogue as a realization of the extragalactic reference system in optical and near infrared wavelengths

Published online by Cambridge University Press:  07 March 2018

Volodymyr S. Akhmetov ,
Peter N. Fedorov  and
Anna B. Velichko
Volodymyr S. Akhmetov
Affiliation:
Institute of Astronomy V.N.Karazin Kharkiv National University, 61022, 35 Sumska Str, Kharkiv, Ukraine email: [email protected]
Peter N. Fedorov
Affiliation:
Institute of Astronomy V.N.Karazin Kharkiv National University, 61022, 35 Sumska Str, Kharkiv, Ukraine email: [email protected]
Anna B. Velichko
Affiliation:
Institute of Astronomy V.N.Karazin Kharkiv National University, 61022, 35 Sumska Str, Kharkiv, Ukraine email: [email protected]
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Abstract

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We combined the data from the Gaia DR1 and Two-Micron All Sky Survey (2MASS) catalogues in order to derive the absolute proper motions more than 420 million stars distributed all over the sky in the stellar magnitude range 8 mag < G < 21 mag (Gaia magnitude). To eliminate the systematic zonal errors in position of 2MASS catalogue objects, the 2-dimensional median filter was used. The PMA system of proper motion has been obtained by direct link to 1.6 millions extragalactic sources. The short analysis of the absolute proper motion of the PMA stars Catalogue is presented in this work. From a comparison of this data with same stars from the TGAS, UCAC4 and PPMXL catalogues, the equatorial components of the mutual rotation vector of these coordinate systems are determined.

Keywords

astrometrycataloguesurveysreference systems
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S330: Astrometry and Astrophysics in the Gaia sky , April 2017 , pp. 81 - 82
Copyright
Copyright © International Astronomical Union 2018 

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