Constraining Physical Conditions In The Galactic Centre Mini-spiral From Radio Interferometry Observations In The Mm-regime

Details Constraining Physical Conditions In The Galactic Centre Mini-spiral From Radio Interferometry Observations In The Mm-regime Constraining Physical Conditions In The Galactic Centre Mini-spiral From Radio Interferometry Observations In The Mm-regime

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011head...12.0820k&link_type=abstract

American Astronomical Society, HEAD meeting #12, #8.20

Astronomy and Astrophysics

Astronomy

Scientific paper

High angular resolution radio interferometry observations at high frequencies enable us to study the emission mechanisms of the central region of our Galactic Centre, which harbours the supermassive black hole source Sgr A*, in great detail.
We present high resolution maps along with a spectral index analysis of the extended emission of the mini-spiral region at 3 and 1.3 mm, and compare it to infrared maps of the region, in the NIR Br-gamma at 2.16 micron and the MIR at 8.6 micron. Physical properties of the gas and dust in the region such as spectral index, emission measure, density, mass and extinction are presented.

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