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Variation in the dust spectral index across M33
| dc.contributor.author | TABATABAEI, Fatemeh S. | |
| hal.structure.identifier | FORMATION STELLAIRE 2012 | |
| dc.contributor.author | BRAINE, J. | |
| hal.structure.identifier | KOSMA, I. Physikalisches Institut | |
| dc.contributor.author | KRAMER, Carsten | |
| dc.contributor.author | XILOURIS, Manolis | |
| hal.structure.identifier | Observatoire Astronomique de Marseille Provence [OAMP] | |
| dc.contributor.author | BOQUIEN, Mederic | |
| hal.structure.identifier | Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA] | |
| dc.contributor.author | VERLEY, Simon | |
| dc.contributor.author | SCHINNERER, Eva | |
| dc.contributor.author | CALZETTI, Daniela | |
| hal.structure.identifier | Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique [LERMA] | |
| dc.contributor.author | COMBES, Françoise | |
| dc.contributor.author | ISRAEL, Frank | |
| dc.contributor.author | HENKEL, Christian | |
| dc.contributor.author | HENKEL | |
| dc.date.issued | 2012-08 | |
| dc.date.conference | 2012 | |
| dc.identifier.issn | 1743-9213 | |
| dc.description.abstractEn | Using the Herschel PACS and SPIRE FIR/submm data, we investigate variations in the dust spectral index β in the nearby spiral galaxy M33 at a linear resolution of 160 pc. We use an iteration method in two different approaches, single and two-component modified black body models. In both approaches, β is higher in the central disk than in the outer disk similar to the dust temperature. There is a positive correlation between β and Hα as well as with the molecular gas traced by CO(2-1). A Monte-Carlo simulation shows that the physical parameters are better constrained when using the two-component model. | |
| dc.language.iso | en | |
| dc.publisher | Cambridge University Press (CUP) | |
| dc.source.title | IAU Symposium, Volume 284, p. 125-127, 2012 - 5-9 September 2011, Preston, United Kingdom | |
| dc.subject.en | Interstellar Medium | |
| dc.subject.en | Star formation | |
| dc.subject.en | Dust | |
| dc.subject.en | Galaxies: M33 | |
| dc.title.en | Variation in the dust spectral index across M33 | |
| dc.type | Communication dans un congrès | |
| dc.identifier.doi | 10.1017/S1743921312008885 | |
| dc.subject.hal | Planète et Univers [physics]/Astrophysique [astro-ph]/Astrophysique stellaire et solaire [astro-ph.SR] | |
| dc.subject.hal | Physique [physics]/Astrophysique [astro-ph]/Astrophysique stellaire et solaire [astro-ph.SR] | |
| dc.identifier.arxiv | 1111.6740 | |
| bordeaux.journal | Proceedings of the International Astronomical Union | |
| bordeaux.page | 125-127 | |
| bordeaux.volume | 284 | |
| bordeaux.conference.title | The Spectral Energy Distribution of Galaxies | |
| bordeaux.country | GB | |
| bordeaux.title.proceeding | IAU Symposium, Volume 284, p. 125-127, 2012 - 5-9 September 2011, Preston, United Kingdom | |
| bordeaux.conference.city | Preston | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00822776 | |
| hal.version | 1 | |
| hal.invited | non | |
| hal.proceedings | oui | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00822776v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.btitle=IAU%20Symposium,%20Volume%20284,%20p.%20125-127,%202012%20-%205-9%20September%202011,%20Preston,%20United%20Kingdom&rft.jtitle=Proceedings%20of%20the%20International%20Astronomical%20Union&rft.date=2012-08&rft.volume=284&rft.spage=125-127&rft.epage=125-127&rft.eissn=1743-9213&rft.issn=1743-9213&rft.au=TABATABAEI,%20Fatemeh%20S.&BRAINE,%20J.&KRAMER,%20Carsten&XILOURIS,%20Manolis&BOQUIEN,%20Mederic&rft.genre=unknown |
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