Skip navigation
  • INAF logo
  • Home
  • Communities
    & Collections
  • Research outputs
  • Researchers
  • Organization units
  • Projects
  • Explore by
    • Research outputs
    • Researchers
    • Organization units
    • Projects
  • Login:
    • My DSpace
    • Receive email
      updates
    • Edit Account details
  • Italian
  • English

  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/28752
Title: Herschel-HOBYS study of the earliest phases of high-mass star formation in NGC 6357
Authors: Russeil, D.
Figueira, M.
Zavagno, A.
Motte, F.
Schneider, N.
Men'shchikov, A.
Bontemps, S.
André, P.
Anderson, L. D.
BENEDETTINI, Milena 
Didelon, P.
Di Francesco, J.
ELIA, Davide Quintino 
Könyves, V.
Nguyen Luong, Q.
Nony, T.
PEZZUTO, Stefano 
RYGL, Kazi Lucie Jessica 
SCHISANO, EUGENIO 
SPINOGLIO, Luigi Giuseppe Maria 
Tigé, J.
White, G. J.
Issue Date: 2019
Journal: ASTRONOMY & ASTROPHYSICS 
Number: 625
First Page: A134
Abstract: <BR /> Aims: To constrain models of high-mass star formation it is important to identify the massive dense cores (MDCs) that are able to form high-mass star(s). This is one of the purposes of the Herschel/HOBYS key programme. Here, we carry out the census and characterise of the properties of the MDCs population of the NGC 6357 H II region. <BR /> Methods: Our study is based on the Herschel/PACS and SPIRE 70-500 μm images of NGC 6357 complemented with (sub-)millimetre and mid-infrared data. We followed the procedure established by the Herschel/HOBYS consortium to extract ~0.1 pc massive dense cores using the getsources software. We estimated their physical parameters (temperatures, masses, luminosities) from spectral energy distribution (SED) fitting. <BR /> Results: We obtain a complete census of 23 massive dense cores, amongst which one is found to be IR-quiet and twelve are starless, representing very early stages of the star-formation process. Focussing on the starless MDCs, we have considered their evolutionary status, and suggest that only five of them are likely to form a high-mass star. <BR /> Conclusions: We find that, contrarily to the case in NGC 6334, the NGC 6357 region does not exhibit any ridge or hub features that are believed to be crucial to the massive star formation process. This study adds support for an empirical model in which massive dense cores and protostars simultaneously accrete mass from the surrounding filaments. In addition, the massive star formation in NGC 6357 seems to have stopped and the hottest stars in Pismis 24 have disrupted the filaments. <P />Full Table C1, Tables C2-C5, the reduced Herschel FITS images and the column density FITS image are only available at the CDS via anonymous ftp to <A href="http://cdsarc.u-strasbg.fr">http://cdsarc.u-strasbg.fr</A> (ftp://130.79.128.5) or via <A href="http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/625/A134">http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/625/A134</A> <P />Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA.
URI: http://hdl.handle.net/20.500.12386/28752
URL: https://www.aanda.org/articles/aa/full_html/2019/05/aa33870-18/aa33870-18.html
ISSN: 0004-6361
DOI: 10.1051/0004-6361/201833870
Bibcode ADS: 2019A&A...625A.134R
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

Files in This Item:
File Description SizeFormat 
russeil2019.pdfPDF editoriale9.78 MBAdobe PDFView/Open
Show full item record

Page view(s)

8
checked on Jan 18, 2021

Download(s)

1
checked on Jan 18, 2021

Google ScholarTM

Check

Altmetric


Items in DSpace are published in Open Access, unless otherwise indicated.


Explore by
  • Communities
    & Collections
  • Research outputs
  • Researchers
  • Organization units
  • Projects

Informazioni e guide per autori

https://openaccess-info.inaf.it: tutte le informazioni sull'accesso aperto in INAF

Come si inserisce un prodotto: le guide a OA@INAF

La Policy INAF sull'accesso aperto

Documenti e modelli scaricabili

Feedback
Built with DSpace-CRIS - Extension maintained and optimized by Logo 4SCIENCE