Mid-Infrared Observations of Extended Light in the Spiral Galaxy NGC 5907

Details Mid-Infrared Observations of Extended Light in the Spiral Galaxy NGC 5907 Mid-Infrared Observations of Extended Light in the Spiral Galaxy NGC 5907

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.6013a&link_type=abstract

American Astronomical Society Meeting 205, #60.13; Bulletin of the American Astronomical Society, Vol. 36, p.1444

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We present deep Spitzer Space Telescope observations of the disk and surrounding regions of the spiral galaxy NGC 5907. These images, which were taken in four bands from 3 to 9.5 microns by the Infrared Array Camera, are relatively insensitive to the dust extinction that prevails in this late type edge-on galaxy. They therefore reveal much that is new about the stellar content and morphology of NGC 5907. We find indications of extended emission that appears to have a scale height intermediate between the thin disk and the long-sought dark halo. Implications of this finding are discussed.
This work is based in part on observations made with the Spitzer Space Telescope, which is operated by the Jet Propulsion Laboratory, California Institute of Technology under NASA contract 1407. Support for this work was provided by NASA through contract 1256790 issued by JPL/Caltech.

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