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Astrometric Galactic maser measurements cross-matched with Gaia

Published online by Cambridge University Press:  02 August 2018

L. H. Quiroga-Nuñez Open the ORCID record for L. H. Quiroga-Nuñez [Opens in a new window] ,
H. J. van Langevelde ,
M. J. Reid ,
L. O. Sjouwerman ,
Y. M. Pihlström ,
A. G. A. Brown Open the ORCID record for A. G. A. Brown [Opens in a new window]  and
J. A. Green
L. H. Quiroga-Nuñez
Affiliation:
Leiden Observatory, Leiden University, P.O. Box 9513, 2300 RA Leiden, The Netherlands email: [email protected] Joint Institute for VLBI ERIC (JIVE), Postbus 2, 7990 AA Dwingeloo, The Netherlands
H. J. van Langevelde
Affiliation:
Leiden Observatory, Leiden University, P.O. Box 9513, 2300 RA Leiden, The Netherlands email: [email protected] Joint Institute for VLBI ERIC (JIVE), Postbus 2, 7990 AA Dwingeloo, The Netherlands
M. J. Reid
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
L. O. Sjouwerman
Affiliation:
National Radio Astronomy Observatory, P.O. Box 0, Lopezville Road 1001, Socorro, NM 87801, USA
Y. M. Pihlström
Affiliation:
Department of Physics and Astronomy, University of New Mexico, MSC07 4220, Albuquerque, NM 87131, USA
A. G. A. Brown
Affiliation:
Leiden Observatory, Leiden University, P.O. Box 9513, 2300 RA Leiden, The Netherlands email: [email protected]
J. A. Green
Affiliation:
CSIRO Astronomy and Space Science, Australia Telescope National Facility, PO Box 76, Epping, NSW 1710, Australia
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Abstract

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Using the VLBA, the BeSSeL survey has provided distances and proper motions of young massive stars, allowing an accurate measure of the Galactic spiral structure. By the same technique, we are planning to map the inner Galaxy using positions and velocities of evolved stars (provided by the BAaDE survey). These radio astrometric measurements (BeSSeL and BAaDE) will be complementary to Gaia results and the overlap will provide important clues on the intrinsic properties and population distribution of the stars in the bulge.

Keywords

Galaxy: bulgestars: AGB and post-AGBmasersastrometry
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S334: Rediscovering our Galaxy , July 2017 , pp. 351 - 352
Copyright
Copyright © International Astronomical Union 2018 

References

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