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Small-scale structure in the Rosette molecular cloud revealed by Herschel
Di Francesco, J.1,2; Sadavoy, S.1,2; Motte, F.3; Schneider, N.3; Hennemann, M.3; Csengeri, T.3; Bontemps, S.3,4; Balog, Z.5; Zavagno, A.6; Andre, Ph.3; Saraceno, P.7; Griffin, M.8; Men'shchikov, A.3; Abergel, A.9; Baluteau, J. -P.6; Bernard, J. -Ph.10,11; Cox, P.12; Deharveng, L.6; Didelon, P.3; di Giorgio, A. -M.7; Hargrave, P.8; Huang, M.13; Kirk, J.8; Leeks, S.14; Li, J. Z.13; Marston, A.15; Martin, P.16,17; Minier, V.3; Molinari, S.7; Olofsson, G.18; Persi, P.19; Pezzuto, S.7; Russeil, D.6; Sauvage, M.3; Sibthorpe, B.20; Spinoglio, L.7; Testi, L.21; Teyssier, D.15; Vavrek, R.15; Ward-Thompson, D.8; White, G.14,22; Wilson, C.23; Woodcraft, A.20
2010-07-01
发表期刊ASTRONOMY & ASTROPHYSICS
卷号518
摘要We present a preliminary analysis of the small-scale structure found in new 70-520 mu m continuum maps of the Rosette molecular cloud (RMC), obtained with the SPIRE and PACS instruments of the Herschel Space Observatory. We find 473 clumps within the RMC using a new structure identification algorithm, with sizes up to similar to 1.0 pc in diameter. A comparison with recent Spitzer maps reveals that 371 clumps are "starless" (without an associated young stellar object), while 102 are "protostellar." Using the respective values of dust temperature, we determine the clumps have masses (M(C)) over the range -0.75 <= log (M(C)/M(circle dot)) <= 2.50. Linear fits to the high-mass tails of the resulting clump mass spectra (CMS) have slopes that are consistent with those found for high-mass clumps identified in CO emission by other groups.
关键词Ism: Clouds Stars: Formation Stars: protoStars Ism: Structure Dust Submillimeter: Ism Extinction
DOI10.1051/0004-6361/201014598
收录类别SCI
语种英语
WOS记录号WOS:000281527200092
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/7690
专题应用天文研究部
作者单位1.Natl Res Council Canada, Herzberg Inst Astrophys, Victoria, BC V9E 2E7, Canada
2.Univ Victoria, Dept Phys & Astron, STN CSC, Victoria, BC V8W 3P6, Canada
3.Univ Paris Diderot, Lab AIM, CEA IRFU, CNRS INSU,CEA Saclay, F-91191 Gif Sur Yvette, France
4.Univ Bordeaux, Lab Astrophys Bordeaux, CNRS INSU, F-33271 Floirac, France
5.Max Planck Inst Astron, D-69117 Heidelberg, Germany
6.Univ Aix Marseille 1, Lab Astrophys Marseille, CNRS INSU, F-13388 Marseille 13, France
7.INAF IFSI, I-00133 Rome, Italy
8.Cardiff Univ, Sch Phys & Astron, Cardiff, S Glam, Wales
9.Univ Paris 11, IAS, F-91435 Orsay, France
10.Univ Toulouse, CESR, F-31028 Toulouse 4, France
11.Univ Toulouse, CNRS, UMR 5187, F-31028 Toulouse 4, France
12.IRAM, F-38406 St Martin Dheres, France
13.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
14.Rutherford Appleton Lab, Didcot OX11 ONL, Oxon, England
15.ESA, Herschel Sci Ctr, ESAC, Madrid 28691, Spain
16.Univ Toronto, CITA, Toronto, ON M5S 3H4, Canada
17.Univ Toronto, Dept Astron & Astrophys, Toronto, ON M5S 3H4, Canada
18.AlbaNova Univ Ctr, Dept Astron, Stockholm Observ, S-10691 Stockholm, Sweden
19.INAF IASF, Sez Roma, I-00133 Rome, Italy
20.Royal Observ, UK Astron Technol Ctr, Edinburgh EH9 3HJ, Midlothian, Scotland
21.ESO, D-85748 Garching, Germany
22.Open Univ, Dept Phys & Astron, Milton Keynes MK7 6AA, Bucks, England
23.McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada
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GB/T 7714
Di Francesco, J.,Sadavoy, S.,Motte, F.,et al. Small-scale structure in the Rosette molecular cloud revealed by Herschel[J]. ASTRONOMY & ASTROPHYSICS,2010,518.
APA Di Francesco, J..,Sadavoy, S..,Motte, F..,Schneider, N..,Hennemann, M..,...&Woodcraft, A..(2010).Small-scale structure in the Rosette molecular cloud revealed by Herschel.ASTRONOMY & ASTROPHYSICS,518.
MLA Di Francesco, J.,et al."Small-scale structure in the Rosette molecular cloud revealed by Herschel".ASTRONOMY & ASTROPHYSICS 518(2010).
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