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Initial highlights of the HOBYS key program, the Herschel imaging survey of OB young stellar objects
Motte, F.1; Zavagno, A.2; Bontemps, S.1,3; Schneider, N.1; Hennemann, M.1; Di Francesco, J.4; Andre, Ph.1; Saraceno, P.5; Griffin, M.6; Marston, A.7; Ward-Thompson, D.6; White, G.8,9; Minier, V.1; Men'shchikov, A.1; Hill, T.1; Abergel, A.10; Anderson, L. D.2; Aussel, H.1; Balog, Z.11; Baluteau, J. -P.2; Bernard, J. -Ph.12,13; Cox, P.14; Csengeri, T.1; Deharveng, L.2; Didelon, P.1; di Giorgio, A. -M.5; Hargrave, P.6; Huang, M.15; Kirk, J.6; Leeks, S.8; Li, J. Z.15; Martin, P.16,17; Molinari, S.5; Nguyen-Luong, Q.1; Olofsson, G.18; Persi, P.19; Peretto, N.1; Pezzuto, S.5; Roussel, H.20; Russeil, D.2; Sadavoy, S.4; Sauvage, M.1; Sibthorpe, B.21; Spinoglio, L.5; Testi, L.22; Teyssier, D.7; Vavrek, R.7; Wilson, C. D.23; Woodcraft, A.21
AbstractWe present the initial highlights of the HOBYS key program, which are based on Herschel images of the Rosette molecular complex and maps of the RCW120 H II region. Using both SPIRE at 250/350/500 mu m and PACS at 70/160 mu m or 100/160 mu m, the HOBYS survey provides an unbiased and complete census of intermediate-to high-mass young stellar objects, some of which are not detected by Spitzer. Key core properties, such as bolometric luminosity and mass (as derived from spectral energy distributions), are used to constrain their evolutionary stages. We identify a handful of high-mass prestellar cores and show that their lifetimes could be shorter in the Rosette molecular complex than in nearby low-mass star-forming regions. We also quantify the impact of expanding H II regions on the star formation process acting in both Rosette and RCW 120.
KeywordStars: Formation Stars: Massive Telescopes Stars: protoStars h Ii Regions Dust Extinction
Indexed BySCI
WOS IDWOS:000281527200078
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Document Type期刊论文
Affiliation1.Univ Paris Diderot, Lab AIM, CEA IRFU, CNRS,INSU,CEA Saclay, F-91191 Gif Sur Yvette, France
2.Univ Aix Marseille 1, Lab Astrophys Marseille, CNRS INSU, F-13388 Marseille 13, France
3.Univ Bordeaux, Lab Astrophys Bordeaux, CNRS INSU, F-33271 Floirac, France
4.Univ Victoria, Natl Res Council Canada, Herzberg Inst Astrophys, Dept Phys & Astron, Victoria, BC V8W 2Y2, Canada
5.INAF, Ist Fis Spazio Interplanetario, I-00133 Rome, Italy
6.Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3AA, S Glam, Wales
7.ESA, ESAC, Herschel Sci Ctr, Madrid 28691, Spain
8.Rutherford Appleton Lab, Space Sci & Technol Dept, Didcot OX11 0QX, Oxon, England
9.Open Univ, Dept Phys & Astron, Milton Keynes MK7 6AA, Bucks, England
10.Univ Paris 11, IAS, F-91435 Orsay, France
11.Max Planck Inst Astron, D-69117 Heidelberg, Germany
12.Univ Toulouse, CESR, F-31028 Toulouse 4, France
13.Univ Toulouse, CNRS, UMR 5187, F-31028 Toulouse 4, France
14.IRAM, F-38406 St Martin Dheres, France
15.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
16.Univ Toronto, CITA, Toronto, ON, Canada
17.Univ Toronto, Dep Astron & Astrophys, Toronto, ON, Canada
18.Stockholm Univ, Dept Astron, AlbaNova Univ Ctr, S-10691 Stockholm, Sweden
19.INAF IASF, Sez Roma, I-00133 Rome, Italy
20.Univ Paris 06, Inst Astrophys Paris, F-75014 Paris, France
21.Royal Observ, UK Astron Technol Ctr, Edinburgh EH9 3HJ, Midlothian, Scotland
22.ESO, D-85748 Garching, Germany
23.McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada
Recommended Citation
GB/T 7714
Motte, F.,Zavagno, A.,Bontemps, S.,et al. Initial highlights of the HOBYS key program, the Herschel imaging survey of OB young stellar objects[J]. ASTRONOMY & ASTROPHYSICS,2010,518.
APA Motte, F..,Zavagno, A..,Bontemps, S..,Schneider, N..,Hennemann, M..,...&Woodcraft, A..(2010).Initial highlights of the HOBYS key program, the Herschel imaging survey of OB young stellar objects.ASTRONOMY & ASTROPHYSICS,518.
MLA Motte, F.,et al."Initial highlights of the HOBYS key program, the Herschel imaging survey of OB young stellar objects".ASTRONOMY & ASTROPHYSICS 518(2010).
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