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        The JCMT Plane Survey : First complete data release - emission maps and compact source catalogue

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        Author
        Eden, D.~J.
        Moore, T. J. T.
        Plume, R.
        Urquhart, J.S.
        Thompson, M. A.
        Parsons, H.
        Dempsey, J. T.
        Rigby, A.~J.
        Morgan, L. K.
        Thomas, H. S.
        Berry, D J
        Buckle, J.
        Brunt, Christopher M.
        Butner, H. M.
        Carretero, D.
        Chrysostomou, A.
        Currie, M. J.
        deVilliers, H.~M.
        Fich, M.
        Gibb, A. G.
        Hoare, M.G.
        Jenness, T.
        Manser, G.
        Mottram, J.~C.
        Natario, C.
        Olguin, F.
        Peretto, N.
        Pestalozzi, M.
        Polychroni, D.
        Redman, R.~O.
        Salji, C.
        Summers, L.~J.
        Tahani, K.
        Traficante, A.
        diFrancesco, J.
        Evans, A.
        Fuller, G. A.
        Johnstone, D.
        Joncas, G.
        Longmore, S.~N.
        Martin, Gary P
        Richer, J. S.
        Weferling, B.
        White, Glenn J.
        Zhu, M.
        Attention
        2299/19111
        Abstract
        We present the first data release of the James Clerk Maxwell Telescope (JCMT) Plane Survey (JPS), the JPS Public Release 1 (JPSPR1). JPS is an 850-um continuum survey of six fields in the northern inner Galactic Plane in a longitude range of l=7-63, made with the Sub-millimetre Common-User Bolometer Array 2 (SCUBA-2). This first data release consists of emission maps of the six JPS regions with an average pixel-to-pixel noise of 7.19 mJy beam^-1, when smoothed over the beam, and a compact-source catalogue containing 7,813 sources. The 95 per cent completeness limits of the catalogue are estimated at 0.04 Jy beam^-1 and 0.3 Jy for the peak and integrated flux densities, respectively. The emission contained in the compact-source catalogue is 42 +- 5 per cent of the total and, apart from the large-scale (greater than 8') emission, there is excellent correspondence with features in the 500-um Herschel maps. We find that, with two-dimensional matching, 98 +- 2 per cent of sources within the fields centred at l=20, 30, 40 and 50 are associated with molecular clouds, with 91 +- 3 per cent of the l=30 and 40 sources associated with dense molecular clumps. Matching the JPS catalogue to Herschel 70-um sources, we find that 38 +- 1 per cent of sources show evidence of ongoing star formation. The images and catalogue will be a valuable resource for studies of star formation in the Galaxy and the role of environment and spiral arms in the star formation process.
        Publication date
        2017-08-01
        Published in
        Monthly Notices of the Royal Astronomical Society
        Published version
        https://doi.org/10.1093/mnras/stx874
        Other links
        http://hdl.handle.net/2299/19111
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