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A study of the distant activity of comet C/2006 W3 (Christensen) with Herschel and ground-based radio telescopes
| Indexado |
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| DOI | 10.1051/0004-6361/201014655 | ||||
| Año | 2010 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
Comet C/2006 W3 (Christensen) was observed in November 2009 at 3.3 AU from the Sun with Herschel. The PACS instrument acquired images of the dust coma in 70-mu m and 160-mu m filters and spectra covering several H2O rotational lines. Spectra in the range 450-1550 GHz were acquired with SPIRE. The comet emission continuum from 70 to 672 mu m was measured, but no lines were detected. The spectral energy distribution indicates thermal emission from large particles and provides a measure of the size distribution index and dust production rate. The upper limit to the water production rate is compared to the production rates of other species (CO, CH3OH, HCN, H2S, OH) measured with the IRAM 30-m and Nancay telescopes. The coma is found to be strongly enriched in species more volatile than water, in comparison to comets observed closer to the Sun. The CO to H2O production rate ratio exceeds 220%. The dust-to-gas production rate ratio is on the order of 1.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Bockelee-Morvan, D. | - |
Observ Paris - Francia
LESIA - Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique - Francia L'Observatoire de Paris - Francia |
| 2 | Hartogh, Paul | Hombre |
Max Planck Inst Sonnensyst Forsch - Alemania
Max Planck Institute for Solar System Research - Alemania |
| 3 | Crovisier, J. | Hombre |
Observ Paris - Francia
LESIA - Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique - Francia L'Observatoire de Paris - Francia |
| 4 | Vandenbussche, B. | Hombre |
Katholieke Univ Leuven - Bélgica
Departement Natuurkunde en Sterrenkunde - Bélgica |
| 5 | Swinyard, B. | Hombre |
Rutherford Appleton Lab - Reino Unido
Rutherford Appleton Laboratory - Reino Unido |
| 6 | Biver, N. | Hombre |
Observ Paris - Francia
LESIA - Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique - Francia L'Observatoire de Paris - Francia |
| 7 | Lis, Dariusz C. | Hombre |
CALTECH - Estados Unidos
California Institute of Technology - Estados Unidos |
| 8 | Jarchow, C. | - |
Max Planck Inst Sonnensyst Forsch - Alemania
Max Planck Institute for Solar System Research - Alemania |
| 9 | MORENO-VIEYRA, RODRIGO ANDRES | Hombre |
Observ Paris - Francia
LESIA - Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique - Francia L'Observatoire de Paris - Francia |
| 10 | Hutsemekers, Damien | Hombre |
Inst Astrophys & Geophys - Bélgica
Fonds de la Recherche Scientifique - FNRS - Bélgica |
| 11 | Jehin, Emmanuel | Hombre |
Inst Astrophys & Geophys - Bélgica
Fonds de la Recherche Scientifique - FNRS - Bélgica |
| 12 | Kueppers, M. | - |
European Space Astronomy Centre - España
European Space Astron Ctr - España |
| 12 | Kueppers, M. | - |
European Space Astron Ctr - España
European Space Astronomy Centre - España |
| 13 | LARA-LOPEZ, LUISA MARIA | Mujer |
CSIC - España
Instituto de Astrofísica de Andalucía - CSIC - España |
| 14 | Lellouch, E. | Hombre |
Observ Paris - Francia
LESIA - Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique - Francia L'Observatoire de Paris - Francia |
| 15 | Manfroid, J. | - |
Inst Astrophys & Geophys - Bélgica
|
| 16 | de Val-Borro, M. | Hombre |
Max Planck Inst Sonnensyst Forsch - Alemania
Max Planck Institute for Solar System Research - Alemania |
| 17 | Szutowicz, S. | - |
Polish Acad Sci - Polonia
Space Research Center of the Polish Academy of Sciences - Polonia |
| 18 | Banaszkiewicz, M. | - |
Polish Acad Sci - Polonia
Space Research Center of the Polish Academy of Sciences - Polonia |
| 19 | Bensch, F. | - |
Deutsch Zentrum Luft & Raumfahrt DLR - Alemania
Deutsches Zentrum fur Luft- Und Raumfahrt - Alemania Deutsches Zentrum für Luft- und Raumfahrt (DLR) - Alemania |
| 20 | Blecka, M. I. | - |
Polish Acad Sci - Polonia
Space Research Center of the Polish Academy of Sciences - Polonia |
| 21 | Emprechtinger, M. | - |
CALTECH - Estados Unidos
California Institute of Technology - Estados Unidos |
| 22 | Encrenaz, T. | Mujer |
Observ Paris - Francia
LESIA - Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique - Francia L'Observatoire de Paris - Francia |
| 23 | Fulton, T. | - |
Blue Sky Spect Inc - Canadá
Blue Sky Spectroscopy Inc. - Canadá |
| 24 | Kidger, M. | Hombre |
ESAC - España
European Space Astronomy Centre - España European Space Astron Ctr - España |
| 25 | Rengel, M. | Mujer |
Max Planck Inst Sonnensyst Forsch - Alemania
Max Planck Institute for Solar System Research - Alemania |
| 26 | Waelkens, C. | - |
Katholieke Univ Leuven - Bélgica
Departement Natuurkunde en Sterrenkunde - Bélgica |
| 27 | Bergin, Edwin A. | Hombre |
UNIV MICHIGAN - Estados Unidos
University of Michigan, Ann Arbor - Estados Unidos |
| 28 | Blake, Geoffrey A. | Hombre |
CALTECH - Estados Unidos
California Institute of Technology - Estados Unidos |
| 29 | Blommaert, J. | Hombre |
Katholieke Univ Leuven - Bélgica
Departement Natuurkunde en Sterrenkunde - Bélgica |
| 30 | Cernicharo, Jose | Hombre |
CAB INTA CSIC - España
Centro de Astrobiología (CSIC-INTA) - España |
| 31 | Decin, L. | - |
Katholieke Univ Leuven - Bélgica
|
| 32 | Ségransan, Damien | Hombre |
UNIV PARIS 06 - Francia
Observ Paris - Francia LERMA - Laboratoire d'Études du Rayonnement et de la Matière en Astrophysique et Atmosphères - Francia L'Observatoire de Paris - Francia |
| 33 | MORA-FERNANDEZ, ALCIONE | Hombre |
Atacama Large Millimeter Array - Chile
Leiden Univ - Países Bajos Univ Groningen - Países Bajos Univ Cologne - Alemania SRON Netherlands Institute for Space Research - Países Bajos Leiden Observatory Research Institute - Países Bajos Atacama Large Millimeter-submillimeter Array - Chile University of Cologne - Alemania Sterrewacht Leiden - Países Bajos Universität zu Köln - Alemania |
| 34 | Leeks, S. | - |
Rutherford Appleton Lab - Reino Unido
Rutherford Appleton Laboratory - Reino Unido |
| 35 | de Lange, A. | - |
Max Planck Inst Sonnensyst Forsch - Alemania
Max Planck Institute for Solar System Research - Alemania |
| 36 | Naylor, D. A. | Hombre |
Univ Lethbridge - Canadá
University of Lethbridge - Canadá |
| 37 | MORA-FERNANDEZ, ALCIONE | Hombre |
Atacama Large Millimeter Array - Chile
Leiden Univ - Países Bajos Univ Groningen - Países Bajos Univ Cologne - Alemania SRON Netherlands Institute for Space Research - Países Bajos Leiden Observatory Research Institute - Países Bajos Atacama Large Millimeter-submillimeter Array - Chile University of Cologne - Alemania Sterrewacht Leiden - Países Bajos Universität zu Köln - Alemania |
| 38 | Thomas, Neal J. | Hombre |
Univ Bern - Suiza
University of Bern - Suiza |
| Fuente |
|---|
| CNRS (France) |
| BMVIT (Austria) |
| ESA-PRODEX (Belgium) |
| CEA/CNES (France) |
| ASI/INAF (Italy) |
| CICYT/MCYT (Spain) |
| DLR (Germany) |
| CNES |
| CEA |
| CSA (Canada) |
| NAOC (China) |
| ASI (Italy) |
| MCINN (Spain) |
| STFC (UK) |
| NASA (USA) |
| ESA |
| Stockholm Observatory (Sweden) |
| Agradecimiento |
|---|
| PACS has been developed by a consortium of institutes led by MPE (Germany) and including UVIE (Austria); KU Leuven, CSL, IMEC (Belgium); CEA, LAM (France); MPIA (Germany); INAF-IFSI/OAA/OAP/OAT, LENS, SISSA (Italy); IAC (Spain). This development has been supported by the funding agencies BMVIT (Austria), ESA-PRODEX (Belgium), CEA/CNES (France), DLR (Germany), ASI/INAF (Italy), and CICYT/MCYT (Spain). 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). Additional funding support for some instrument activities has been provided by ESA. HCSS/HSpot/HIPE are joint developments by the Herschel Science Ground Segment Consortium, consisting of ESA, the NASA Herschel Science Center, and the HIFI, PACS and SPIRE consortia. IRAM is an international institute co-funded by CNRS, France, MPG, Germany, and IGN, Spain. The Nancay radio observatory is co-funded by CNRS, Observatoire de Paris, and the Region Centre (France). D. B.-M. thanks M. A. T. Groenewegen and D. Ladjal for support in PACS data analysis, and V. Zakharov for useful discussions on gas and dust dynamics. |
