AKARI and blast observations of the Cassiopeia A supernova remnant and surrounding interstellar medium

B. Sibthorpe, P. A R Ade, J. J. Bock, E. L. Chapin, M. J. Devlin, S. Dicker, M. Griffin, Joshua Gundersen, M. Halpern, P. C. Hargrave, D. H. Hughes, W. S. Jeong, H. Kaneda, J. Klein, B. C. Koo, H. G. Lee, G. Marsden, P. G. Martin, P. Mauskopf, D. S. MoonC. B. Netterfield, L. Olmi, E. Pascale, G. Patanchon, M. Rex, A. Roy, D. Scott, C. Semisch, M. D P Truch, C. Tucker, G. S. Tucker, M. P. Viero, D. V. Wiebe

Research output: Contribution to journalArticle

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Abstract

We use new large area far infrared maps ranging from 65 to 500 μm obtained with the AKARI and the Balloonborne Large Aperture Submillimeter Telescope missions to characterize the dust emission toward the Cassiopeia A supernova remnant (SNR). Using the AKARI high-resolution data we find a new "tepid" dust grain population at a temperature of ∼35 K and with an estimated mass of 0.06 M. This component is confined to the central area of the SNR and may represent newly formed dust in the unshocked supernova ejecta. While the mass of tepid dust that we measure is insufficient by itself to account for the dust observed at high redshift, it does constitute an additional dust population to contribute to those previously reported. We fit our maps at 65, 90, 140, 250, 350, and 500 μm to obtain maps of the column density and temperature of "cold" dust (near 16 K) distributed throughout the region. The large column density of cold dust associated with clouds seen in molecular emission extends continuously from the surrounding interstellar medium to project on the SNR, where the foreground component of the clouds is also detectable through optical, X-ray, and molecular extinction. At the resolution available here, there is no morphological signature to isolate any cold dust associated only with the SNR from this confusing interstellar emission. Our fit also recovers the previously detected "hot" dust in the remnant, with characteristic temperature 100 K.

Original languageEnglish (US)
Pages (from-to)1553-1564
Number of pages12
JournalAstrophysical Journal
Volume719
Issue number2
DOIs
StatePublished - Aug 20 2010

Fingerprint

Cassiopeia A
blasts
supernova remnants
dust
temperature
ejecta
supernovae
extinction
apertures
signatures

Keywords

  • Early universe
  • ISM: supernova remnants

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Sibthorpe, B., Ade, P. A. R., Bock, J. J., Chapin, E. L., Devlin, M. J., Dicker, S., ... Wiebe, D. V. (2010). AKARI and blast observations of the Cassiopeia A supernova remnant and surrounding interstellar medium. Astrophysical Journal, 719(2), 1553-1564. https://doi.org/10.1088/0004-637X/719/2/1553

AKARI and blast observations of the Cassiopeia A supernova remnant and surrounding interstellar medium. / Sibthorpe, B.; Ade, P. A R; Bock, J. J.; Chapin, E. L.; Devlin, M. J.; Dicker, S.; Griffin, M.; Gundersen, Joshua; Halpern, M.; Hargrave, P. C.; Hughes, D. H.; Jeong, W. S.; Kaneda, H.; Klein, J.; Koo, B. C.; Lee, H. G.; Marsden, G.; Martin, P. G.; Mauskopf, P.; Moon, D. S.; Netterfield, C. B.; Olmi, L.; Pascale, E.; Patanchon, G.; Rex, M.; Roy, A.; Scott, D.; Semisch, C.; Truch, M. D P; Tucker, C.; Tucker, G. S.; Viero, M. P.; Wiebe, D. V.

In: Astrophysical Journal, Vol. 719, No. 2, 20.08.2010, p. 1553-1564.

Research output: Contribution to journalArticle

Sibthorpe, B, Ade, PAR, Bock, JJ, Chapin, EL, Devlin, MJ, Dicker, S, Griffin, M, Gundersen, J, Halpern, M, Hargrave, PC, Hughes, DH, Jeong, WS, Kaneda, H, Klein, J, Koo, BC, Lee, HG, Marsden, G, Martin, PG, Mauskopf, P, Moon, DS, Netterfield, CB, Olmi, L, Pascale, E, Patanchon, G, Rex, M, Roy, A, Scott, D, Semisch, C, Truch, MDP, Tucker, C, Tucker, GS, Viero, MP & Wiebe, DV 2010, 'AKARI and blast observations of the Cassiopeia A supernova remnant and surrounding interstellar medium', Astrophysical Journal, vol. 719, no. 2, pp. 1553-1564. https://doi.org/10.1088/0004-637X/719/2/1553
Sibthorpe, B. ; Ade, P. A R ; Bock, J. J. ; Chapin, E. L. ; Devlin, M. J. ; Dicker, S. ; Griffin, M. ; Gundersen, Joshua ; Halpern, M. ; Hargrave, P. C. ; Hughes, D. H. ; Jeong, W. S. ; Kaneda, H. ; Klein, J. ; Koo, B. C. ; Lee, H. G. ; Marsden, G. ; Martin, P. G. ; Mauskopf, P. ; Moon, D. S. ; Netterfield, C. B. ; Olmi, L. ; Pascale, E. ; Patanchon, G. ; Rex, M. ; Roy, A. ; Scott, D. ; Semisch, C. ; Truch, M. D P ; Tucker, C. ; Tucker, G. S. ; Viero, M. P. ; Wiebe, D. V. / AKARI and blast observations of the Cassiopeia A supernova remnant and surrounding interstellar medium. In: Astrophysical Journal. 2010 ; Vol. 719, No. 2. pp. 1553-1564.
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T1 - AKARI and blast observations of the Cassiopeia A supernova remnant and surrounding interstellar medium

AU - Sibthorpe, B.

AU - Ade, P. A R

AU - Bock, J. J.

AU - Chapin, E. L.

AU - Devlin, M. J.

AU - Dicker, S.

AU - Griffin, M.

AU - Gundersen, Joshua

AU - Halpern, M.

AU - Hargrave, P. C.

AU - Hughes, D. H.

AU - Jeong, W. S.

AU - Kaneda, H.

AU - Klein, J.

AU - Koo, B. C.

AU - Lee, H. G.

AU - Marsden, G.

AU - Martin, P. G.

AU - Mauskopf, P.

AU - Moon, D. S.

AU - Netterfield, C. B.

AU - Olmi, L.

AU - Pascale, E.

AU - Patanchon, G.

AU - Rex, M.

AU - Roy, A.

AU - Scott, D.

AU - Semisch, C.

AU - Truch, M. D P

AU - Tucker, C.

AU - Tucker, G. S.

AU - Viero, M. P.

AU - Wiebe, D. V.

PY - 2010/8/20

Y1 - 2010/8/20

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