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Herschel-SPIRE spectroscopy of G29.96-0.02: Fitting the full SED

Kirk, J. M. and Polehampton, E. and Anderson, L. D. and Baluteau, J. -P. and Bontemps, S. and Joblin, C. and Jones, S. C. and Naylor, D. A. and Ward-Thompson, D. and White, G. J. and Abergel, A. and Ade, P. and André, P. and Arab, H. and Bernard, J. -P. and Blagrave, K. and Boulanger, F. and Cohen, M. and Compiegne, M. and Cox, P. and Dartois, E. and Davis, G. and Emery, R. and Fulton, T. and Gry, C. and Habart, E. and Huang, M. and Lagache, G. and Lim, T. and Madden, S. and Makiwa, G. and Martin, P. and Miville-Deschênes, M.-A. and Molinari, S. and Moseley, H. and Motte, F. and Okumura, K. and Pinheiro Goncalves, D. and Rodon, J. A. and Russeil, D. and Saraceno, P. and Sidher, S. and Spencer, L. and Swinyard, B. and Zavagno, A. (2010) Herschel-SPIRE spectroscopy of G29.96-0.02: Fitting the full SED. Astronomy and Astrophysics, 518 . Art. No. L82. ISSN 0004-6361.

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We use the SPIRE Fourier-transform spectrometer (FTS) on-board the ESA Herschel Space Observatory to analyse the submillimetre spectrum of the Ultra-compact HII region G29.96-0.02. Spectral lines from species including (CO)-C-13, CO, [CI], and [NII] are detected. A sparse map of the [NII] emission shows at least one other HII region neighbouring the clump containing the UCHII. The FTS spectra are combined with ISO SWS and LWS spectra and fluxes from the literature to present a detailed spectrum of the source spanning three orders of magnitude in wavelength. The quality of the spectrum longwards of 100 mu m allows us to fit a single temperature greybody with temperature 80.3 +/- 0.6 K and dust emissivity index 1.73 +/- 0.02, an accuracy rarely obtained with previous instruments. We estimate a mass of 1500 M-circle dot for the clump containing the HII region. The clump's bolometeric luminosity of 4 x 10(6) L-circle dot is comparable to, or slightly greater than, the known O-star powering the UCHII region.

Item Type:Article
Related URLs:
URLURL TypeDescription DOIArticle
Jones, S. C.0000-0002-1952-3720
Ward-Thompson, D.0000-0003-1140-2761
Ade, P.0000-0002-5127-0401
Cox, P.0000-0003-2027-8221
Lagache, G.0000-0003-1492-2519
Martin, P.0000-0002-5236-3896
Additional Information:© 2010 ESO. Received 31 March 2010. Accepted 10 May 2010. Published online 16 July 2010. Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA. We thank D. Neufeld for identifying the 1.2 THz HF absorption feature. J.M.K. acknowledges STFC funding, while this work was carried out, under the auspices of the Cardiff Astronomy Rolling Grant. SPIRE has been developed by a consortium of institutes led by Cardiff University (UK) and including Univ. Lethbridge (Canada); NAOC (China); CEA, LAM (France); IFSI, Univ. Padua (Italy); IAC (Spain); Stockholm Observatory (Sweden); Imperial College London, RAL, UCL-MSSL, UKATC, Univ. Sussex (UK); and Caltech, JPL, NHSC, Univ. Colorado (USA). This development has been supported by national funding agencies: CSA (Canada); NAOC (China); CEA, CNES, CNRS (France); ASI (Italy); MCINN (Spain); Stockholm Observatory (Sweden); STFC (UK); and NASA (USA).
Funding AgencyGrant Number
Science and Technology Facilities Council (STFC)UNSPECIFIED
Subject Keywords:HII regions; stars: formation; submillimetre: ISM; ISM: individual objects: G29.96-0.02
Record Number:CaltechAUTHORS:20110331-095317951
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Official Citation:Herschel-SPIRE spectroscopy of G29.96-0.02: Fitting the full SED J. M. Kirk, E. Polehampton, L. D. Anderson, J.-P. Baluteau, S. Bontemps, C. Joblin, S. C. Jones, D. A. Naylor, D. Ward-Thompson, G. J. White, A. Abergel, P. Ade, P. André, H. Arab, J.-P. Bernard, K. Blagrave, F. Boulanger, M. Cohen, M. Compiegne, P. Cox, E. Dartois, G. Davis, R. Emery, T. Fulton, C. Gry, E. Habart, M. Huang, G. Lagache, T. Lim, S. Madden, G. Makiwa, P. Martin, M.-A. Miville-Deschênes, S. Molinari, H. Moseley, F. Motte, K. Okumura, D. Pinheiro Gonçalves, J. A. Rodón, D. Russeil, P. Saraceno, S. Sidher, L. Spencer, B. Swinyard and A. Zavagno A&A 518 L82 (2010) DOI: 10.1051/0004-6361/201014625
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:23187
Deposited By: Tony Diaz
Deposited On:25 May 2011 19:13
Last Modified:09 Mar 2020 13:19

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