Ward-Thompson, D.D.Ward-ThompsonPattle, K.K.PattleKirk, J. M.J. M.KirkMarsh, K.K.MarshBuckle, J.J.BuckleHatchell, J.J.HatchellNutter, D. J.D. J.NutterGriffin, M. J.M. J.GriffinDi Francesco, J.J.Di FrancescoAndré, P.P.AndréBeaulieu, S.S.BeaulieuBerry, D.D.BerryBroekhoven-Fiene, H.H.Broekhoven-FieneCurrie, M.M.CurrieFich, M.M.FichJenness, T.T.JennessJohnstone, D.D.JohnstoneKirk, H.H.KirkMottram, J.J.MottramPineda, J.J.PinedaQuinn, C.C.QuinnSadavoy, S.S.SadavoySalji, C.C.SaljiTisi, S.S.TisiWalker-Smith, S.S.Walker-SmithWhite, G.G.WhiteHill, T.T.HillKönyves, V.V.KönyvesPalmeirim, P.P.PalmeirimPEZZUTO, StefanoStefanoPEZZUTO2020-05-052020-05-0520160035-8711http://hdl.handle.net/20.500.12386/24502We present a comparison of Submillimetre Common User Bolometer Array-2 (SCUBA-2) 850-μm and Herschel 70-500-μm observations of the L1495 filament in the Taurus Molecular Cloud with the goal of characterizing the SCUBA-2 Gould Belt Survey (GBS) data set. We identify and characterize starless cores in three data sets: SCUBA-2 850-μm, Herschel 250-μm, and Herschel 250-μm spatially filtered to mimic the SCUBA-2 data. SCUBA-2 detects only the highest-surface-brightness sources, principally detecting protostellar sources and starless cores embedded in filaments, while Herschel is sensitive to most of the cloud structure, including extended low-surface-brightness emission. Herschel detects considerably more sources than SCUBA-2 even after spatial filtering. We investigate which properties of a starless core detected by Herschel determine its detectability by SCUBA-2, and find that they are the core's temperature and column density (for given dust properties). For similar-temperature cores, such as those seen in L1495, the surface brightnesses of the cores are determined by their column densities, with the highest-column-density cores being detected by SCUBA-2. For roughly spherical geometries, column density corresponds to volume density, and so SCUBA-2 selects the densest cores from a population at a given temperature. This selection effect, which we quantify as a function of distance, makes SCUBA-2 ideal for identifying those cores in Herschel catalogues that are closest to forming stars. Our results can now be used by anyone wishing to use the SCUBA-2 GBS data set.STAMPAenArticle10.1093/mnras/stw1978000386464900079https://academic.oup.com/mnras/article/463/1/1008/25898162016MNRAS.463.1008WFIS/05 - ASTRONOMIA E ASTROFISICA