Cold dust and its heating sources in M 33

Shinya Komugi, Tomoka Tosaki, Kotaro Kohno, Takashi Tsukagoshi, Yoichi Tamura, Rie Miura, Sachiko Onodera, Nario Kuno, Ryohei Kawabe, Koichiro Nakanishi, Tsuyoshi Sawada, Hajime Ezawa, Grant W. Wilson, Min S. Yun, Kimberly S. Scott, David H. Hughes, Itziar Aretxaga, Thushara A. Perera, Jason E. Austermann, Kunihiko TanakaKazuyuki Muraoka, Fumi Egusa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We have mapped the nearby face-on spiral galaxy M 33 in the 1.1 mm dust continuum using AzTEC on Atacama Submillimeter Telescope Experiment (ASTE). The preliminary results are presented here. The observed dust has a characteristic temperature of ∼ 21 K in the central kpc, radially declining down to ∼ 13 K at the edge of the star forming disk. We compare the dust temperatures with KS band flux and star formation tracers. Our results imply that cold dust heating may be driven by long-lived stars even nearby star forming regions.

Original languageEnglish
Title of host publicationProceedings of the International Astronomical Union
Pages26-29
Number of pages4
Volume6
EditionS277
DOIs
Publication statusPublished - 2010 Dec

Publication series

NameProceedings of the International Astronomical Union
NumberS277
Volume6
ISSN (Print)17439213
ISSN (Electronic)17439221

Fingerprint

dust
heating
stars
spiral galaxies
tracers
star formation
telescopes
continuums
temperature

Keywords

  • (ISM:) dust
  • galaxies: ISM

ASJC Scopus subject areas

  • Astronomy and Astrophysics

Cite this

Komugi, S., Tosaki, T., Kohno, K., Tsukagoshi, T., Tamura, Y., Miura, R., ... Egusa, F. (2010). Cold dust and its heating sources in M 33. In Proceedings of the International Astronomical Union (S277 ed., Vol. 6, pp. 26-29). (Proceedings of the International Astronomical Union; Vol. 6, No. S277). https://doi.org/10.1017/S1743921311022393

Cold dust and its heating sources in M 33. / Komugi, Shinya; Tosaki, Tomoka; Kohno, Kotaro; Tsukagoshi, Takashi; Tamura, Yoichi; Miura, Rie; Onodera, Sachiko; Kuno, Nario; Kawabe, Ryohei; Nakanishi, Koichiro; Sawada, Tsuyoshi; Ezawa, Hajime; Wilson, Grant W.; Yun, Min S.; Scott, Kimberly S.; Hughes, David H.; Aretxaga, Itziar; Perera, Thushara A.; Austermann, Jason E.; Tanaka, Kunihiko; Muraoka, Kazuyuki; Egusa, Fumi.

Proceedings of the International Astronomical Union. Vol. 6 S277. ed. 2010. p. 26-29 (Proceedings of the International Astronomical Union; Vol. 6, No. S277).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Komugi, S, Tosaki, T, Kohno, K, Tsukagoshi, T, Tamura, Y, Miura, R, Onodera, S, Kuno, N, Kawabe, R, Nakanishi, K, Sawada, T, Ezawa, H, Wilson, GW, Yun, MS, Scott, KS, Hughes, DH, Aretxaga, I, Perera, TA, Austermann, JE, Tanaka, K, Muraoka, K & Egusa, F 2010, Cold dust and its heating sources in M 33. in Proceedings of the International Astronomical Union. S277 edn, vol. 6, Proceedings of the International Astronomical Union, no. S277, vol. 6, pp. 26-29. https://doi.org/10.1017/S1743921311022393
Komugi S, Tosaki T, Kohno K, Tsukagoshi T, Tamura Y, Miura R et al. Cold dust and its heating sources in M 33. In Proceedings of the International Astronomical Union. S277 ed. Vol. 6. 2010. p. 26-29. (Proceedings of the International Astronomical Union; S277). https://doi.org/10.1017/S1743921311022393
Komugi, Shinya ; Tosaki, Tomoka ; Kohno, Kotaro ; Tsukagoshi, Takashi ; Tamura, Yoichi ; Miura, Rie ; Onodera, Sachiko ; Kuno, Nario ; Kawabe, Ryohei ; Nakanishi, Koichiro ; Sawada, Tsuyoshi ; Ezawa, Hajime ; Wilson, Grant W. ; Yun, Min S. ; Scott, Kimberly S. ; Hughes, David H. ; Aretxaga, Itziar ; Perera, Thushara A. ; Austermann, Jason E. ; Tanaka, Kunihiko ; Muraoka, Kazuyuki ; Egusa, Fumi. / Cold dust and its heating sources in M 33. Proceedings of the International Astronomical Union. Vol. 6 S277. ed. 2010. pp. 26-29 (Proceedings of the International Astronomical Union; S277).
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AU - Komugi, Shinya

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AU - Tamura, Yoichi

AU - Miura, Rie

AU - Onodera, Sachiko

AU - Kuno, Nario

AU - Kawabe, Ryohei

AU - Nakanishi, Koichiro

AU - Sawada, Tsuyoshi

AU - Ezawa, Hajime

AU - Wilson, Grant W.

AU - Yun, Min S.

AU - Scott, Kimberly S.

AU - Hughes, David H.

AU - Aretxaga, Itziar

AU - Perera, Thushara A.

AU - Austermann, Jason E.

AU - Tanaka, Kunihiko

AU - Muraoka, Kazuyuki

AU - Egusa, Fumi

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AB - We have mapped the nearby face-on spiral galaxy M 33 in the 1.1 mm dust continuum using AzTEC on Atacama Submillimeter Telescope Experiment (ASTE). The preliminary results are presented here. The observed dust has a characteristic temperature of ∼ 21 K in the central kpc, radially declining down to ∼ 13 K at the edge of the star forming disk. We compare the dust temperatures with KS band flux and star formation tracers. Our results imply that cold dust heating may be driven by long-lived stars even nearby star forming regions.

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