Title: From filamentary clouds to prestellar cores to the stellar IMF: Initial highlights from the Herschel Gould Belt Survey
Authors: Andre, Ph ×
Men'shchikov, A
Bontemps, S
Koenyves, V
Motte, F
Schneider, N
Didelon, P
Minier, V
Saraceno, P
Ward-Thompson, D
Di Francesco, J
White, G
Molinari, S
Testi, L
Abergel, A
Griffin, M
Henning, Th
Royer, Pierre
Merin, B
Vavrek, R
Attard, M
Arzoumanian, D
Wilson, C. D
Ade, P
Aussel, H
Baluteau, J. -P
Benedettini, M
Bernard, J. -Ph
Blommaert, Joris
Cambresy, L
Cox, P
Di Giorgio, A
Hargrave, P
Hennemann, M
Huang, M
Kirk, J
Krause, O
Launhardt, R
Leeks, S
Le Pennec, J
Martin, P. G
Maury, A
Olofsson, G
Omont, A
Peretto, N
Pezzuto, S
Prusti, T
Roussel, H
Russeil, D
Sauvage, M
Sibthorpe, B
Sicilia-Aguilar, A
Spinoglio, L
Waelkens, Christoffel
Woodcraft, A
Zavagno, A #
Issue Date: Jul-2010
Publisher: Edp sciences s a
Series Title: Astronomy & astrophysics vol:518 pages:1-7
Article number: L102
Abstract: We summarize the first results from the Gould Belt Survey, obtained toward the Aquila rift and Polaris Flare regions during the science demonstration phase of Herschel. Our 70-500 mu m images taken in parallel mode with the SPIRE and PACS cameras reveal a wealth of filamentary structure, as well as numerous dense cores embedded in the filaments. Between similar to 350 and 500 prestellar cores and similar to 45-60 Class 0 protostars can be identified in the Aquila field, while similar to 300 unbound starless cores and no protostars are observed in the Polaris field. The prestellar core mass function (CMF) derived for the Aquila region bears a strong resemblance to the stellar initial mass function (IMF), already confirming the close connection between the CMF and the IMF with much better statistics than earlier studies. Comparing and contrasting our Herschel results in Aquila and Polaris, we propose an observationally-driven scenario for core formation according to which complex networks of long, thin filaments form first within molecular clouds, and then the densest filaments fragment into a number of prestellar cores via gravitational instability.
ISSN: 0004-6361
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Institute of Astronomy
× corresponding author
# (joint) last author

Files in This Item:

There are no files associated with this item.

Request a copy


All items in Lirias are protected by copyright, with all rights reserved.

© Web of science