A Study of the Rosette Shock Front

Details A Study of the Rosette Shock Front A Study of the Rosette Shock Front

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...183.1609k&link_type=abstract

American Astronomical Society, 183rd AAS Meeting, #16.09; Bulletin of the American Astronomical Society, Vol. 25, p.1316

Astronomy and Astrophysics

Astronomy

Scientific paper

\fonta=cmr8 An unresolved compression front (<1', seen in all four bands of high resolution IRAS data) surrounding the Rosette Nebula was mapped in the (13) CO J=1->0 transition. This compression front results from the thermal expansion of the Ha II region into the parent molecular cloud. High spectral (0.68 km s(-1) ) and spatial (48'') resolution molecular data were obtained using the Five College Radio Astronomy Observatory (FCRAO) QUARRY receivers. Approximately 6500, low noise (Delta T_rms = 0.1 -- 0.2 K) spectra were observed over a 1.5 square degree area. The intensity maps show several relatively dense clumps surrounding only a portion of the optical nebula along with more tenuous emission. With a few exceptions, most of these dense clumps have associated IRAS point sources. The kinematics and density structure of these clumps are presented.

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