Submillimeter-Wave C I Spectral Lines from the NGC 1333 Region

Details Submillimeter-Wave C I Spectral Lines from the NGC 1333 Region Submillimeter-Wave C I Spectral Lines from the NGC 1333 Region

Feb 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004apj...602..803o&link_type=abstract

The Astrophysical Journal, Volume 602, Issue 2, pp. 803-815.

Astronomy and Astrophysics

Astronomy

13

Astrochemistry, Ism: Atoms, Ism: Individual: Ngc Number: Ngc 1333, Ism: Molecules, Ism: Reflection Nebulae

Scientific paper

We present large (30'×40') maps in the C0 3P1-3P0 ([C I]; 492 GHz) and CO J=3-2 (346 GHz) spectral lines of the NGC 1333 star-forming complex. We also report detections of the C0 3P2-3P1 (809 GHz) spectral line from 3×3 positions centered on HH 12. The overall extents of [C I] and CO J=3-2 emission are similar to those of 13CO and C18O J=1-0 emission. The CO J=3-2 intensity peak is adjacent to the illuminating star SVS 3, while the [C I] intensity peaks at 5' southwest of the reflection nebula, filling a hollow surrounded by a C-shaped dense molecular shell. We suggest that the observed [C I] distributions might be the result of nonequilibrium chemistry on the basis of the time-dependent chemical simulation. A huge expanding H I shell associated with the NGC 1333 cloud lends further support to this notion.

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