# Line derived infrared extinction toward the galactic center

@article{Fritz2011LineDI,
title={Line derived infrared extinction toward the galactic center},
author={Tobias Fritz and Stefan Gillessen and Katie Dodds-Eden and Dieter Lutz and Reinhard Genzel and Walfried Raab and T. Ott and Oliver Pfuhl and Frank Eisenhauer and Farhad Yusef-Zadeh},
journal={The Astrophysical Journal},
year={2011},
volume={737},
pages={73}
}
• Published 13 May 2011
• Physics
• The Astrophysical Journal
We derive the extinction curve toward the Galactic center (GC) from 1 to 19 {mu}m. We use hydrogen emission lines of the minispiral observed by ISO-SWS and SINFONI. The extinction-free flux reference is the 2 cm continuum emission observed by the Very Large Array. Toward the inner 14'' x 20'', we find an extinction of A{sub 2.166{mu}m} = 2.62 {+-} 0.11, with a power-law slope of {alpha} = -2.11 {+-} 0.06 shortward of 2.8 {mu}m, consistent with the average near-infrared slope from the recent…
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