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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents

ID: 559160.0, MPI für Astronomie / Publikationen_mpia
Small-scale structure in the Rosette molecular cloud revealed by Herschel
Authors:di Francesco, J.; Sadavoy, S.; Motte, F.; Schneider, N.; Hennemann, M.; Csengeri, T.; Bontemps, S.; Balog, Z.; Zavagno, A.; André, P.; Saraceno, P.; Griffin, M.; Men'shchikov, A.; Abergel, A.; Baluteau, J. P.; Bernard, J. P.; Cox, P.; Deharveng, L.; Didelon, P.; di Giorgio, A. M.; Hargrave, P.; Huang, M.; Kirk, J.; Leeks, S.; Li, J. Z.; Marston, A.; Martin, P.; Minier, V.; Molinari, S.; Olofsson, G.; Persi, P.; Pezzuto, S.; Russeil, D.; Sauvage, M.; Sibthorpe, B.; Spinoglio, L.; Testi, L.; Teyssier, D.; Vavrek, R.; Ward-Thompson, D.; White, G.; Wilson, C.; Woodcraft, A.
Date of Publication (YYYY-MM-DD):2010
Journal Abbrev.:Astronomy and Astrophysics
Start Page:id.L91
Audience:Not Specified
Abstract / Description:We present a preliminary analysis of the small-scale structure found in new 70-520 μm 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 ~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 (MC) over the range -0.75 ≤ log (MC/Mȯ) ≤ 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. Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA.Figure 1 is only available in electronic form at <A href=""></A>
Free Keywords:ISM: clouds; stars: formation; stars: protostars; dust; extinction; ISM: structure; submillimeter: ISM
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
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