High-Resolution Extinction Map of the Pre-Protostellar Core B133

Details High-Resolution Extinction Map of the Pre-Protostellar Core B133 High-Resolution Extinction Map of the Pre-Protostellar Core B133

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.5917s&link_type=abstract

American Astronomical Society Meeting 205, #59.17; Bulletin of the American Astronomical Society, Vol. 36, p.1441

Astronomy and Astrophysics

Astronomy

Scientific paper

We have obtained deep near-infrared images of the preprotostellar core B133. By observing the colors of background stars (i.e., the {NICE} method), we have constructed a high-resolution extinction map that shows an elongated core with size of ˜9×4' for the Av > 5 region. The map shows a sharply increasing extinction profile toward the central regions of the globule, ultimately revealing two distinct condensations with peak visual extinction of at least 50 magnitudes. We present these observations and compare them with previously published molecular-line and dust continuum observations.

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