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| DOI | 10.1017/S1743921316008061 | ||
| Año | 2015 | ||
| Tipo | proceedings paper |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
We present results of Herschel PACS imaging spectroscopy data toward ten massive young stellar objects taken as part of the WISH project. Our sample consists of four high mass protostellar objects (HMPOs), two hot molecular cores (HMCs), and four ultracompact HII regions (UCHIIs), and the spectra cover a broad range of wavelengths (55 to 210 mu m) imaged over an similar to 50'' field with 5 x 5 spaxels. By fitting the continua utilizing a modified black-body formula we estimate mass-weighted dust temperature and column density distributions of warm dust and find that UCHII regions are hottest and HMCs are most deeply embedded. We also estimate rotational temperature and column density distributions of warm CO gas using the rotational diagram analysis, which are comparable over targets in contrast to continuum results. By comparing high J CO line fluxes to the RATRAN estimates of centrally heated envelope models, we find that majority of warm CO originates from bipolar outflow shocks.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Kwon, W. | - |
Korea Astron & Space Sci Inst - Corea del Sur
SRON Netherlands Inst Space Res - Países Bajos |
| 2 | van der Tak, Floris F. S. | - |
SRON Netherlands Inst Space Res - Países Bajos
Univ Groningen - Países Bajos |
| 3 | Karska, Agata | Mujer |
Adam Mickiewicz Univ - Polonia
Max Planck Inst Extraterr Phys MPE - Alemania Leiden Univ - Países Bajos |
| 4 | Herczeg, Gregory J. | Hombre |
Peking Univ - China
|
| 5 | Ségransan, Damien | Hombre |
SRON Netherlands Inst Space Res - Países Bajos
Univ Groningen - Países Bajos Universidad de Chile - Chile |
| 6 | Herpin, F. | Hombre |
Univ Bordeaux - Francia
CNRS - Francia |
| 7 | MORA-FERNANDEZ, ALCIONE | Hombre |
Max Planck Inst Radioastron - Alemania
|
| 8 | Braine, J. | Hombre |
Univ Bordeaux - Francia
CNRS - Francia |
| 9 | van Dishoeck, E. F. | - |
Max Planck Inst Extraterr Phys MPE - Alemania
Leiden Univ - Países Bajos |
| 10 | Jablonka, P | - | |
| 11 | Andre, P | - | |
| 12 | Ségransan, Damien | Hombre |
SRON Netherlands Inst Space Res - Países Bajos
Univ Groningen - Países Bajos Universidad de Chile - Chile |