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The Hi-GAL compact source catalogue - I. The physical properties of the clumps in the inner Galaxy (-71.degrees 0 < l < 67.degrees 0)
作者: Elia, Davide1; Molinari, S.1; Schisano, E.1; Pestalozzi, M.1; Pezzuto, S.1; Merello, M.1; Noriega-Crespo, A.2; Moore, T. J. T.3; Russeil, D.4; Mottram, J. C.5; Paladini, R.6; Strafella, F.7; Benedettini, M.1; Bernard, J. P.8,9; Di Giorgio, A.1; Eden, D. J.3; Fukui, Y.10; Plume, R.11; Bally, J.12; Martin, P. G.13; Ragan, S. E.14; Jaffa, S. E.15; Motte, F.16,17; Olmi, L.18; Schneider, N.19; Testi, L.18,20; Wyrowski, F.21; Zavagno, A.4; Calzoletti, L.22,23; Faustini, F.22; Natoli, P.24,25; Palmeirim, P.4,26; Piacentini, F.27; Piazzo, L.28; Pilbratt, G. L.29; Polychroni, D.30; Baldeschi, A.1; Beltran, M. T.18; Billot, N.31; Cambresy, L.32; Cesaroni, R.18; Garcia-Lario, P.23; Hoare, M. G.14; Huang Maohai(黄茂海)33; Joncas, G.34,35; Liu, S. J.1; Maiolo, B. M. T.7; Marsh, K. A.15; Maruccia, Y.7; Mege, P.4; Peretto, N.15; Rygl, K. L. J.36; Schilke, P.19; Thompson, M. A.37; Traficante, A.1; Umana, G.38; Veneziani, M.6; Ward-Thompson, D.39; Whitworth, A. P.15; Arab, H.32; Bandieramonte, M.40; Becciani, U.38; Brescia, M.41; Buemi, C.38; Bufano, F.38; Butora, R.42; Cavuoti, S.41,43; Costa, A.38; Fiorellino, E.1,27; Hajnal, A.44; Hayakawa, T.10; Kacsuk, P.44; Leto, P.38; Causi, G. Li1; Marchili, N.1; Martinavarro-Armengol, S.45,46; Mercurio, A.41; Molinaro, M.42; Riccio, G.41; Sano, H.10; Sciacca, E.38; Tachihara, K.10; Torii, K.47; Trigilio, C.38; Vitello, F.38; Yamamoto, H.10
关键词: catalogues ; ISM: clouds ; dust, extinction ; local interstellar matter ; infrared: ISM ; submillimetre: ISM
发表日期: 2017-10-01
DOI: 10.1093/mnras/stx1357
卷: 471, 期:1, 页:100-143
文章类型: Article
收录类别: SCI
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
英文摘要: Hi-GAL (Herschel InfraRed Galactic Plane Survey) is a large-scale survey of the Galactic plane, performed with Herschel in five infrared continuum bands between 70 and 500 mu m. We present a band-merged catalogue of spatially matched sources and their properties derived from fits to the spectral energy distributions (SEDs) and heliocentric distances, based on the photometric catalogues presented in Molinari et al., covering the portion of Galactic plane -71.degrees 0 < l < 67.degrees 0. The band-merged catalogue contains 100 922 sources with a regular SED, 24 584 of which show a 70-mu m counterpart and are thus considered protostellar, while the remainder are considered starless. Thanks to this huge number of sources, we are able to carry out a preliminary analysis of early stages of star formation, identifying the conditions that characterize different evolutionary phases on a statistically significant basis. We calculate surface densities to investigate the gravitational stability of clumps and their potential to form massive stars. We also explore evolutionary status metrics such as the dust temperature, luminosity and bolometric temperature, finding that these are higher in protostellar sources compared to pre-stellar ones. The surface density of sources follows an increasing trend as they evolve from pre-stellar to protostellar, but then it is found to decrease again in themajority of the most evolved clumps. Finally, we study the physical parameters of sources with respect to Galactic longitude and the association with spiral arms, finding only minor or no differences between the average evolutionary status of sources in the fourth and first Galactic quadrants, or between 'on-arm' and 'interarm' positions.
语种: 英语
项目资助者: European Union(607380) ; ASI (Agenzia Spaziale Italiana)(I/038/080/0 ; BMVIT (Austria) ; ESA-PRODEX (Belgium) ; CEA/CNES (France) ; DLR (Germany) ; ASI (Italy) ; CICYT/MCYT (Spain) ; CSA (Canada) ; NAOC (China) ; CEA (France) ; CNES (France) ; CNRS (France) ; MCINN (Spain) ; Stockholm Observatory (Sweden) ; STFC (UK) ; NASA (USA) ; I/029/12/0)
WOS记录号: WOS:000408211700007
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内容类型: 期刊论文
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作者单位: 1.IAPS, INAF, Via Fosso Cavaliere 100, I-00133 Rome, Italy
2.Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA
3.Liverpool John Moores Univ, Astrophys Res Inst, Liverpool Sci Pk Ic2,146 Brownlow Hill, Liverpool L3 5RF, Merseyside, England
4.Aix Marseille Univ, CNRS, LAM, Lab Astrophys Marseille, F-13388 Marseille, France
5.Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany
6.CALTECH, Infrared Proc Anal Ctr, 770 South Wilson Ave, Pasadena, CA 91125 USA
7.Univ Salento, Dipartimento Matemat & Fis, I-73100 Lecce, Italy
8.IRAP, CNRS, BP 44346, 9 Av colonel Roche, F-31028 Toulouse 4, France
9.Univ Toulouse, IRAP, UPS OMP, F-31028 Toulouse 4, France
10.Nagoya Univ, Dept Phys, Chikusa Ku, Nagoya, Aichi 4648601, Japan
11.Univ Calgary, Dept Phys & Astron, Calgary, AB T2N 1N4, Canada
12.Univ Colorado, Ctr Astrophys & Space Astron, Boulder, CO 80309 USA
13.Univ Toronto, McLennan Phys Labs, Canadian Inst Theoret Astrophys, 60 St George St, Toronto, ON, Canada
14.Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England
15.Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3AA, S Glam, Wales
16.Univ Grenoble Alpes, IPAG, F-38000 Grenoble, France
17.CEA Saclay, Univ Paris Diderot, AIM Paris Saclay, CEA IRFU,CNRS INSU,Serv Astrophys, F-91191 Gif Sur Yvette, France
18.Osservatorio Astrofisico Arcetri, INAF, Largo E Fermi 5, I-50125 Florence, Italy
19.Univ Cologne, Phys Inst 1, Zulpicher Str, D-50937 Cologne, Germany
20.European Southern Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany
21.Max Planck Inst Radioastron, Hugel 69, D-53121 Bonn, Germany
22.ASI, Sci Data Ctr, I-00044 Rome, Italy
23.ESA, ESAC, POB 78,Villanueva Canada, E-28691 Madrid, Spain
24.Univ Ferrara, Dipartimento Fis & Sci Terra, Via Saragat 1, I-44100 Ferrara, Italy
25.Sez INFN Ferrara, Via Saragat 1, I-44100 Ferrara, Italy
26.Univ Porto, Inst Astrofis & Ciencias Espaco, CAUP, Rua Estrelas, P-4150762 Oporto, Portugal
27.Univ Roma La Sapienza, Dipartimento Fis, Ple Aldo Moro 2, I-00138 Rome, Italy
28.Univ Roma La Sapienza, DIET, I-00185 Rome, Italy
29.Estec, SCI S, ESA, Directorate Sci,Support Office, Keplerlaan 1, NL-2201 AZ Noordwijk, Netherlands
30.Univ Atacama, Dept Fis, Copayapu 485, Copiapo 1530000, Chile
31.Observatoire Univ Geneve, 51 Chemin Maillettes, CH-1290 Sauverny, Switzerland
32.Univ Strasbourg, Observatoire Astronom Strasbourg, CNRS, UMR 7550, 11 Rue Univ, F-67000 Strasbourg, France
33.Chinese Acad Sci, Natl Astron Observ, CAS Key Lab Space Astron & Technol, Beijing 100012, Peoples R China
34.Univ Laval, Dept Phys Genie phys & Opt, 1045 Ave Med, Quebec City, PQ G1V 0A6, Canada
35.Univ Laval, Ctr Rech Astrophys Quebec, 1045 Ave Med, Quebec City, PQ G1V 0A6, Canada
36.INAF IRA, Italian ALMA Reg Ctr, Via P Gobetti 101, I-40129 Bologna, Italy
37.Univ Hertfordshire, Sch Phys Astron & Math, Ctr Astrophys Res, Coll Lane, Hatfield AL10 9AB, Herts, England
38.INAF, Astrophys Observ Catania, Via Santa Sofia 78, I-95123 Catania, Italy
39.Univ Cent Lancashire, Jeremiah Horrocks Inst, Preston PR1 2HE, Lancs, England
40.CERN, 385 Route Meyrin, CH-1217 Meyrin, Switzerland
41.INAF, Astron Observ Capodimonte, Via Moiariello 16, I-80131 Naples, Italy
42.INAF, Osservatorio Astronom Trieste, Via GB Tiepolo 11, I-34131 Trieste, Italy
43.Univ Federico II, Dept Phys E Pancini, Via Cinthia 6, I-80126 Naples, Italy
44.Lab Parallel & Distributed Syst, Inst Comp Sci & Control MTA SZTAKI, Victor Hugo U 18-22, H-1132 Budapest, Hungary
45.UCL, Dept Phys & Astron, London WC1E 6BT, England
46.Rutherford Appleton Labs, STFC, Didcot OX1 1QX, Oxon, England
47.Nobeyama Radio Observ, 462-2 Nobeyama Minamimaki Mura, Nagano 3841305, Japan

Recommended Citation:
Elia, Davide,Molinari, S.,Schisano, E.,et al. The Hi-GAL compact source catalogue - I. The physical properties of the clumps in the inner Galaxy (-71.degrees 0 < l < 67.degrees 0)[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2017,471(1):100-143.
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