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The JCMT Gould Belt Survey: SCUBA-2 observations of radiative feedback in NGC 1333

Hatchell, J., Wilson, T., Drabek-Maunder, Emily ORCID:, Curtis, E., Richer, J., Nutter, D., Francesco, J. D. and Ward-Thompson, D. 2013. The JCMT Gould Belt Survey: SCUBA-2 observations of radiative feedback in NGC 1333. Monthly Notices of the Royal Astronomical Society - Letters 429 (1) , L10-L14. 10.1093/mnrasl/sls015

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We present observations of NGC 1333 from SCUBA-2 on the James Clerk Maxwell Telescope (JCMT), observed as a JCMT Gould Belt Survey pilot project during the shared risk campaign when the first of four arrays was installed at each of 450 and 850 μm. Temperature maps are derived from 450 and 850 μm ratios under the assumption of constant dust opacity spectral index β = 1.8. Temperatures indicate that the dust in the northern (IRAS 6/8) region of NGC 1333 is hot, 20–40 K, due to heating by the B star SVS3, other young stars in the IR/optically visible cluster and embedded protostars. Other luminous protostars are also identified by temperature rises at the 17 arcsec resolution of the ratio maps (0.02 pc assuming a distance of 250 pc for Perseus). The extensive heating raises the possibility that the radiative feedback may lead to increased masses for the next generation of stars.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Publisher: Blackwell Publishing Ltd
ISSN: 1745-3925
Date of Acceptance: 11 October 2012
Last Modified: 03 Nov 2022 09:42

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