Mid-IR interstellar extinction towards the ISOGAL field FC-01863+00035

Details Mid-IR interstellar extinction towards the ISOGAL field FC-01863+00035 Mid-IR interstellar extinction towards the ISOGAL field FC-01863+00035

Feb 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.511..185j&link_type=abstract

Exploiting the ISO Data Archive. Infrared Astronomy in the Internet Age, held in Siguenza, Spain 24-27 June, 2002. Edited by

Astronomy and Astrophysics

Astronomy

Scientific paper

The extinction law in the ISOCAM LW2(5.0-8.5μm, λref=6.7μm) and LW3(12-18μm, λref=14.3μm) bands is derived to the ISOGAL field FC-01863+00035 in the Galactic plane. Based on the ISOGAL and DENIS database, we derived the relative extinctions at 7 and 15μm are E(Ks-[7])/E(J-Ks)=0.35 and E(Ks-[15])/E(J-Ks)=0.39. The absolute extinction values in these two bands depend on the extinction values in the near-infrared adopted, e.g. A7=0.031AV and A15=0.025AV with the van de Hulst-Glass near infrared extinction values. In addition, the extinction structure along this line of sight is compared with the spiral arms implied from the molecular clouds.

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