The JCMT Gould Belt Survey : first results from the SCUBA-2 observations of the Ophiuchus molecular cloud and a virial analysis of its prestellar core population
- Pattle, K.
- Ward-Thompson, D.
- Kirk, J.M.
- White, G.J.
- Drabek-Maunder, E.
- Buckle, J.
- Beaulieu, S.F.
- Berry, D.S.
- Broekhoven-Fiene, H.
- Currie, M.J.
- Fich, M.
- Hatchell, J.
- Kirk, H.
- Jenness, T.
- Johnstone, D.
- Mottram, J. C.
- Nutter, D.
- Pineda, J.E.
- Quinn, C.
- Salji, C.
- Tisi, S.
- Walker-Smith, S.
- Di Francesco, J.
- Hogerheijde, M.R.
- André, P.
- Bastien, P.
- Bresnahan, D.
- Butner, H.
- Chen, M.
- Chrysostomou, A.
- Coude, S.
- Davis, C.J.
- Duarte-Cabral, A.
- Fiege, J.
- Friberg, P.
- Friesen, R.
- Fuller, G.A.
- Graves, S.
- Greaves, J.
- Gregson, J.
- Griffin, M.J.
- Holland, W.
- Joncas, G.
- Knee, L.B.G.
- Könyves, V.
- Mairs, S.
- Marsh, K.
- Matthews, B.C.
- Moriarty-Schieven, G.
- Rawlings, J.
- Richer, J.
- Robertson, D.
- Rosolowsky, E.
- Rumble, D.
- Sadavoy, S.
- Spinoglio, L.
- Thomas, H.
- Tothill, N.
- Viti, S.
- Wouterloot, J.
- Yates, J.
- Zhu, M.
DOIAbstract
In this paper, we present the first observations of the Ophiuchus molecular cloud performed as part of the James Clerk Maxwell Telescope (JCMT) Gould Belt Survey (GBS) with the SCUBA-2 instrument.We demonstratemethods for combining these datawith previous HARP CO, Herschel, and IRAM N2H+ observations in order to accurately quantify the properties of the SCUBA-2 sources in Ophiuchus. We produce a catalogue of all of the sources found by SCUBA-2. We separate these into protostars and starless cores. We list all of the starless cores and perform a full virial analysis, including external pressure. This is the first time that external pressure has been included in this level of detail. We find that the majority of our cores are either bound or ...
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