Mid-infrared images of the star forming region GGD 14 (IRAS 06084-0611)

Details Mid-infrared images of the star forming region GGD 14 (IRAS 06084-0611) Mid-infrared images of the star forming region GGD 14 (IRAS 06084-0611)

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003a%26a...406..149p&link_type=abstract

Astronomy and Astrophysics, v.406, p.149-154 (2003)

Astronomy and Astrophysics

Astrophysics

8

Stars: Formation, Infrared: Stars

Scientific paper

Mid-infrared images at 8.7, 9.7 and 12.5 mu m are presented of the star forming region GGD 14 associated with the source IRAS 06084-0611. In an area of ~ 30arcsec around the IRAS position, two mid-infrared sources were found. One was identified with the cometary compact HII region VLA 1 and the second with the faint and unresolved radio continuum source VLA 4. The mid-infrared morphology of VLA 1 is very similar to that of the radio continuum suggesting a direct interaction between the ionized gas and the dust. The infrared source associated with VLA 4 shows a large infrared excess and its derived infrared luminosity is L1-20 mu m = 350 Lsun, indicating the presence of a young star later than B3. In addition, its spectrum between 2.47 and 11.62 mu m observed by ISOPHOT shows the presence of infrared emission bands at 3.3, 6.2, 7.7, 8.6 and 11.2 mu m with relative intensity ratios typical of compact HII regions. Finally, the radio continuum source VLA 2, undetected on our mid-infrared images, shows an infrared luminosity of ~ 8.5 Lsun confirming its nature of an embedded T-Tauri star.
Based on observations collected at the Observatorio Astronómico Nacional, San Pedro Mártir, B.C, Mexico, and ISOPHOT data from the ISO Data Archive (TDT No.70901306).

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