Mid-Infrared Imaging of the Central Parsec with Keck

Details Mid-Infrared Imaging of the Central Parsec with Keck Mid-Infrared Imaging of the Central Parsec with Keck

Jun 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aspc..186..240c&link_type=abstract

The Central Parsecs of the Galaxy, ASP Conference Series, Vol. 186. Edited by Heino Falcke, Angela Cotera, Wolfgang J. Duschl, F

Physics

14

Scientific paper

We have obtained high resolution images of the central ~1.3 parsecs of the Galactic Center in the Mid-Infrared (MIR), using the camera MIRLIN on Keck II. The near-diffraction-limited narrow-band images, taken at 8.7 micron, 12.5 micron, 20.3 micron, and 24.5 micron, give unprecedented detail of the MIR emission in the region. Although there is no obvious point source at Sgr A*, there is MIR emission at the position of the black hole candidate. Preliminary upper limits on the possible contribution from a point source are derived. In addition, a color-temperature map for 12.5 micron/20.3micron is presented, showing a strong gradient in dust temperature with distance from the IRS 16 stellar cluster and embedded sources.

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