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Photometric science alerts from Gaia

Wyrzykowski, Łukasz; Hodgkin, Simon; Blogorodnova, Nadejda; Koposov, Sergey and Burgon, Ross (2012). Photometric science alerts from Gaia. In: Gaia-FUN-SSO-2 International Workshop, 19-21 September 2012, Paris, France.

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Abstract

Gaia is the cornerstone mission of the European Space Agency. From late 2013 it will start collecting superb astrometric, photometric and spectroscopic data for around a billion of stars of our Galaxy. While surveying the whole sky down to V=20mag Gaia will be detecting transients and anomalous behaviour of objects, providing near-real-time alerts to the entire astronomical community. Gaia should detected about 6000 supernovae, 1000 microlensing events and many other interesting types of transients. Thanks
to its on-board low-dispersion spectrograph the classification of transients will be robust, assuring low false-alert rate. We describe the operation of the Photometric Science Alerts system, outline the scientific possibilities and conclude with an invitation to collaborate in the ground-based follow-up Gaia alerts during the early months of the mission when the outcome of the alerting pipeline needs to be verified.

Item Type: Conference Item
Copyright Holders: 2012 Gaia DPAC
Extra Information: Paper presented as, Gaia as a transients survey, at the workshop
Keywords: Astrophysics - Instrumentation and Methods for Astrophysics
Academic Unit/Department: Science > Physical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
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Item ID: 34770
Depositing User: Ross Burgon
Date Deposited: 25 Oct 2012 14:15
Last Modified: 20 Dec 2013 20:57
URI: http://oro.open.ac.uk/id/eprint/34770
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