ISOCAM mapping of the ρ Ophiuchi main cloud.

Details ISOCAM mapping of the ρ Ophiuchi main cloud. ISOCAM mapping of the ρ Ophiuchi main cloud.

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...315l.329a&link_type=abstract

Astronomy and Astrophysics, v.315, p.L329-L332

Astronomy and Astrophysics

Astrophysics

124

Ism: Individual Objects: Rho Ophiuchus (Rho Oph Cloud), Ism: Dust, Extinction, Ism: Clouds, Infrared: Ism: Clouds

Scientific paper

We present preliminary results of the ISOCAM survey of the ρ Ophiuchi main cloud L1688 (0.5 square degrees) conducted in the two broad-band filters LW2 (5-8.5μm) and LW3 (12-18μm). This letter focuses on the properties of the extended emission. ISOCAM observations have revealed several previously unknown characteristics of the mid-IR diffuse emission: the small scale filamentary structure (thickness ~0.03pc) of the emission at the illuminated edge of the molecular cloud, the sharpness of color variations at cloud edges, the barely resolved filamentary structure of the dust emission surrounding a bright embedded source, and several dense cores seen as sharp and deep absorption structures against the diffuse cloud background.

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