AAS 203rd Meeting, January 2004
Session 112 The Milky Way and Its Environs
Poster, Thursday, January 8, 2004, 9:20am-4:00pm, Grand Hall

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[112.21] CH 3 GHz Observations of the Galactic Center

L. Magnani, S. Zelenik (University of Georgia), B. Engebreth (University of Colorado)

We present the most sensitive observations to date of the CH 3335 MHz line in the direction of the Galactic Center. A 3 x 3 map of the region was made at 9' resolution (21 pc at the distance of the Galactic Center) showing a velocity extent for the CH emission similar to that seen with the CO(1-0) transition. A narrow CH component at about 0 km/s present in all the CH spectra is most likely produced by molecular clouds in the Inner Galaxy and can be used to calculate the scale height of these objects (90 - 240 pc). This estimate is significantly larger than that for GMCs in the disk and possibly indicates a low-intensity, thick molecular disk component.

The author(s) of this abstract have provided an email address for comments about the abstract: loris@hal.physast.uga.edu

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Bulletin of the American Astronomical Society, 35#5
© 2003. The American Astronomical Soceity.