Mapping the PAHs and H2 in ρ Oph A

Details Mapping the PAHs and H2 in ρ Oph A Mapping the PAHs and H2 in ρ Oph A

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..251..227j&link_type=abstract

Organic Matter in Space, Proceedings of the International Astronomical Union, IAU Symposium, Volume 251, p. 227-228

Astronomy and Astrophysics

Astronomy

Molecular Processes, Ism: Clouds, Ism: Jets And Outflows, Stars: Formation

Scientific paper

We present an ISOCAM-CVF map of the ρ Oph A region, covering 3′ × 3′. For each 6 arcsec2 pixel, we extract the spectrum from 5 15 μm. We determine the fluxes of the main PAH features by fitting Lorentzian profiles to the spectrum. The peaks of the various PAH components correspond well with the known positions of the PDRs in this vicinity. The spectrum in several pixels exhibits strong rotational lines of molecular hydrogen which can be used to derive the physical properties of the cloud. The H2 emission traces the hot gas of the bipolar CO outflow from VLA1623.

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