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Initial highlights of the HOBYS key program, the Herschel imaging survey of OB young stellar objects

Motte, F. (author)
Zavagno, A. (author)
Bontemps, S. (author)
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Schneider, N. (author)
Hennemann, M. (author)
Di Francesco, J. (author)
Andre, Ph. (author)
Saraceno, P. (author)
Griffin, M. (author)
Marston, A. (author)
Ward-Thompson, D. (author)
White, G. (author)
Minier, V. (author)
Men'shchikov, A. (author)
Hill, T. (author)
Abergel, A. (author)
Anderson, L. D. (author)
Aussel, H. (author)
Balog, Z. (author)
Baluteau, J. -P (author)
Bernard, J. -Ph. (author)
Cox, P. (author)
Csengeri, T. (author)
Deharveng, L. (author)
Didelon, P. (author)
di Giorgio, A. -M (author)
Hargrave, P. (author)
Huang, M. (author)
Kirk, J. (author)
Leeks, S. (author)
Li, J. Z. (author)
Martin, P. (author)
Molinari, S. (author)
Nguyen-Luong, Q. (author)
Olofsson, Göran (author)
Stockholms universitet,Institutionen för astronomi
Persi, P. (author)
Peretto, N. (author)
Pezzuto, S. (author)
Roussel, H. (author)
Russeil, D. (author)
Sadavoy, S. (author)
Sauvage, M. (author)
Sibthorpe, B. (author)
Spinoglio, L. (author)
Testi, L. (author)
Teyssier, D. (author)
Vavrek, R. (author)
Wilson, C. D. (author)
Woodcraft, A. (author)
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 (creator_code:org_t)
2010-07-16
2010
English.
In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 518, s. L77-
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • We 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.

Subject headings

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Keyword

stars: formation
stars: massive
telescopes
stars: protostars
H II regions
dust
extinction
Astronomy and astrophysics
Astronomi och astrofysik

Publication and Content Type

ref (subject category)
art (subject category)

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