CH 3 GHz Observations of the Galactic Center

Details CH 3 GHz Observations of the Galactic Center CH 3 GHz Observations of the Galactic Center

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...20311221m&link_type=abstract

American Astronomical Society Meeting 203, #112.21; Bulletin of the American Astronomical Society, Vol. 35, p.1387

Astronomy and Astrophysics

Astronomy

Scientific paper

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.

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