Detection of a Massive Dust Shell around the Type II Supernova SN 2002hh | Zendy

M. J. Barlow | Zendy; Ben Sugerman | Zendy; J. Fabbri | Zendy; M. Meixner | Zendy; R. S. Fisher | Zendy; J. E. Bowey | Zendy; N. Panagia | Zendy; Barbara Ercolano | Zendy; Geoffrey C. Clayton | Zendy; Martin Cohen | Zendy; T. M. Gledhill | Zendy; Karl D. Gordon | Zendy; A. G. G. M. Tielens | Zendy; A. A. Zijlstra | Zendy

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Detection of a Massive Dust Shell around the Type II Supernova SN 2002hh

Author(s) -

M. J. Barlow,

Ben Sugerman,

J. Fabbri,

M. Meixner,

R. S. Fisher,

J. E. Bowey,

N. Panagia,

Barbara Ercolano,

Geoffrey C. Clayton,

Martin Cohen,

T. M. Gledhill,

Karl D. Gordon,

A. G. G. M. Tielens,

A. A. Zijlstra

Publication year - 2005

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/432440

Subject(s) - physics , astrophysics , supernova , circumstellar dust , ejecta , spitzer space telescope , luminosity , supergiant , radius , black body radiation , radiative transfer , astronomy , infrared , cosmic dust , spectral energy distribution , flux (metallurgy) , galaxy , telescope , stars , radiation , computer security , quantum mechanics , computer science , materials science , metallurgy

Dust emission from the Type II supernova SN 2002hh in NGC 6946 has beendetected at mid-infrared wavelengths by the Spitzer Space Telescope from 590 to758 days after outburst and confirmed by higher angular resolution Gemini-Nmid-IR observations. The day-600 5.8-24 micron emission can be fit by a 290-Kblackbody having a luminosity of 1.6E+7 L_Sol. The minimum emitting radius of1.1E+17 cm is too large for the emitting dust to have been formed in thesupernova ejecta. Using radiative transfer models and realistic dust grainparameters, fits to the observed flux distribution could be obtained with anoptically thick dust shell having a mass of 0.10-0.15 M_Sol, corresponding to atotal dust+gas mass in excess of 10 M_Sol, suggesting a massive M supergiant orluminous blue variable precursor to this self-obscured object.Comment: To be published in ApJ Letters [12 pages, 2 figures

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