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Warm Gas and Dust of Massive Young Stellar Objects Revealed by Herschel PACS Spectroscopy
dc.contributor.author | KWON, Woojin, | |
hal.structure.identifier | SRON Netherlands Institute for Space Research [SRON] | |
dc.contributor.author | VAN DER TAK, Floris, | |
hal.structure.identifier | foreign laboratories [FL] | |
dc.contributor.author | KARSKA, Agata, | |
hal.structure.identifier | Kavli Institute for Astronomy and Astrophysics [Beijing] [KIAA-PKU] | |
dc.contributor.author | HERCZEG, Gregory, | |
dc.contributor.author | CHAVARRIA, Luis, | |
hal.structure.identifier | FORMATION STELLAIRE 2015 | |
dc.contributor.author | HERPIN, Fabrice | |
dc.contributor.author | WYROWSKI, Friedrich, | |
hal.structure.identifier | FORMATION STELLAIRE 2015 | |
dc.contributor.author | BRAINE, J. | |
hal.structure.identifier | Leiden Observatory [Leiden] | |
hal.structure.identifier | Max-Planck-Institut für Extraterrestrische Physik [MPE] | |
dc.contributor.author | VAN DISHOECK, Ewine, | |
dc.date.issued | 2015-08 | |
dc.date.conference | 2015-01-04 | |
dc.description.abstractEn | 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 micron) presenting various atomic and molecular lines as well as excellent continua. By fitting the continua utilizing a modified black-body formula we estimate mass-weighted 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. In addition, based on the comparison of high J CO line fluxes to the RATRAN estimates of central heating envelope models, we find that majority of warm CO is originated from bipolar outflow shocks. | |
dc.language.iso | en | |
dc.title.en | Warm Gas and Dust of Massive Young Stellar Objects Revealed by Herschel PACS Spectroscopy | |
dc.type | Communication dans un congrès | |
dc.subject.hal | Planète et Univers [physics]/Astrophysique [astro-ph]/Cosmologie et astrophysique extra-galactique [astro-ph.CO] | |
bordeaux.page | 54730 | |
bordeaux.volume | 22 | |
bordeaux.conference.title | 2015IAUGA..2254730K - IAU General Assembly, Meeting #29, #2254730 - held 4-8 January 2015 in Seattle, USA | |
bordeaux.country | US | |
bordeaux.conference.city | Seattle | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-01197427 | |
hal.version | 1 | |
hal.invited | non | |
hal.proceedings | non | |
hal.conference.end | 2015-01-08 | |
hal.popular | non | |
hal.audience | Internationale | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-01197427v1 | |
bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.date=2015-08&rft.volume=22&rft.spage=54730&rft.epage=54730&rft.au=KWON,%20Woojin,&VAN%20DER%20TAK,%20Floris,&KARSKA,%20Agata,&HERCZEG,%20Gregory,&CHAVARRIA,%20Luis,&rft.genre=unknown |
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