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Published 1994 | public
Book Section - Chapter

Detection of Stellar Variability in the Central Parsec of the Galaxy

Abstract

We have searched for time variability of the stars in the central 1 pc region of the Galaxy through K-band imaging and photometry. On timescales ranging from 20 seconds to a week, no time variability greater than 0.1 mag was found for about five dozen sources in this region, including the components of IRS 16 and the anomalous high velocity outflow stars. On a timescale of one year, we found that a new source near IRS 10E had brightened by at least one magnitude and detected possible variability with amplitude ~ 0.15 mag in several other sources.

Additional Information

© Springer Science+Business Media Dordrecht 1994.

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August 20, 2023
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March 5, 2024