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The JCMT Legacy Survey of the Gould Belt: a first look at Serpens with HARP

Graves, S. F., Richer, J. S., Buckle, J. V., Duarte Cabral, Ana, Fuller, G. A., Hogerheijde, M. R., Owen, J. E., Brunt, C., Butner, H. M., Cavanagh, B., Chrysostomou, A., Curtis, E. I., Davis, C. J., Etxaluze, M., Francesco, J. Di, Friberg, P., Friesen, R. K., Greaves, J. S., Hatchell, J., Johnstone, D., Matthews, B., Matthews, H., Matzner, C. D., Nutter, David John, Rawlings, J. M. C., Roberts, J. F., Sadavoy, S., Simpson, Robert John, Tothill, N. F. H., Tsamis, Y. G., Viti, S., Ward-Thompson, Derek, White, G. J., Wouterloot, J. G. A. and Yates, J. 2010. The JCMT Legacy Survey of the Gould Belt: a first look at Serpens with HARP. Monthly Notices of the Royal Astronomical Society 409 (4) , pp. 1412-1428. 10.1111/j.1365-2966.2010.17140.x

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Abstract

The Gould Belt Legacy Survey on the James Clerk Maxwell Telescope's has observed a region of 260 arcmin2 in 12CO J= 3 → 2 emission, and a 190 arcmin2 subset of this in 13CO and C18O towards the Serpens molecular cloud. We examine the global velocity structure of the non-outflowing gas, and calculate excitation temperatures and opacities. The large-scale mass and energetics of the region are evaluated, with special consideration for high-velocity gas. We find the cloud to have a mass of 203 M⊙, and to be gravitationally bound, and that the kinetic energy of the outflowing gas is approximately 70 per cent of the turbulent kinetic energy of the cloud. We identify compact outflows towards some of the submillimetre Class 0/I sources in the region.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: molecular data; stars: formation; ISM: jets and outflows; ISM: kinematics and dynamics; submillimetre: ISM
Publisher: Wiley
ISSN: 0035-8711
Last Modified: 07 Jul 2020 13:32
URI: http://orca-mwe.cf.ac.uk/id/eprint/25407

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