... centre[*]
Based on observations at the Very Large Telescope (VLT) of the European Southern Observatory (ESO), Cerro Paranal, Chile.
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...2005)[*]
See also the electronic manual of the public Gemini North Galactic Center Demonstration Science Data Set for an application on GC imaging data.
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...DPUSER[*]
Developed by Thomas Ott; http://www.mpe.mpg.de/~ott/dpuser/history.html
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... east[*]
Where atan2 is the quadrant-preserving arctangent.
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... bias-corrected[*]
Velocity squares are limited to values $\ge$0. Therefore the statistical velocity errors systematically shift the results towards higher values.
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... distributions[*]
In this discussion, we assume a constant mass-to-light ratio.
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... [*]
Wolfram Research, Inc., Champaign, IL, USA.
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... Sgr A*[*]
Because SINFONI's AO guide star is located $\approx $17'' north of Sgr A*.
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...$\sigma $ error[*]
Even if a star does not show significant acceleration, a parabolic fit finds a (usually non-zero) result for the 2nd-order term and a corresponding fit error. These values we use here.
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Copyright ESO 2008