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The VAO Transient Facility

Published online by Cambridge University Press:  20 April 2012

Matthew J. Graham ,
S. G. Djorgovski ,
Andrew Drake ,
Ashish Mahabal ,
Roy Williams  and
Rob Seaman
Matthew J. Graham
Affiliation:
California Institute of Technology, Pasadena CAUSA email: mjg@caltech.edu, ajd@caltech.edu, ashish@caltech.edu, roy@caltech.edu, george@astro.caltech.edu
S. G. Djorgovski
Affiliation:
California Institute of Technology, Pasadena CAUSA email: mjg@caltech.edu, ajd@caltech.edu, ashish@caltech.edu, roy@caltech.edu, george@astro.caltech.edu Distinguished Visiting Professor, King Abdulaziz Univ., Jeddah, Saudi Arabia
Andrew Drake
Affiliation:
California Institute of Technology, Pasadena CAUSA email: mjg@caltech.edu, ajd@caltech.edu, ashish@caltech.edu, roy@caltech.edu, george@astro.caltech.edu
Ashish Mahabal
Affiliation:
California Institute of Technology, Pasadena CAUSA email: mjg@caltech.edu, ajd@caltech.edu, ashish@caltech.edu, roy@caltech.edu, george@astro.caltech.edu
Roy Williams
Affiliation:
California Institute of Technology, Pasadena CAUSA email: mjg@caltech.edu, ajd@caltech.edu, ashish@caltech.edu, roy@caltech.edu, george@astro.caltech.edu
Rob Seaman
Affiliation:
National Optical Astronomical Observatory, Tucson AZUSA email: seaman@noao.edu
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Abstract

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The time-domain community wants robust and reliable tools to enable the production of, and subscription to, community-endorsed event notification packets (VOEvent). The Virtual Astronomical Observatory (VAO) Transient Facility (VTF) is being designed to be the premier brokering service for the community, both collecting and disseminating observations about time-critical astronomical transients but also supporting annotations and the application of intelligent machine-learning to those observations. Two types of activity associated with the facility can therefore be distinguished: core infrastructure, and user services. We review the prior art in both areas, and describe the planned capabilities of the VTF. In particular, we focus on scalability and quality-of-service issues required by the next generation of sky surveys such as LSST and SKA.

Keywords

Standardsmethods: miscellaneousastronomical data bases: miscellaneous
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S285: New Horizons in Time-Domain Astronomy , September 2011 , pp. 318 - 320
Copyright
Copyright © International Astronomical Union 2012

References

Drake, A. J., et al. , 2009, ApJ, 696, 870CrossRefGoogle Scholar
NAS Committee, New Worlds, New Horizons, Decadal Survey of Astronomy and Astrophysics (Washington, DC: NAS), 2010Google Scholar
Seaman, R., et al. , 2011, IVOA Recommendation, arXiv:1110.0523Google Scholar