Deep 10 Micron Imaging of M87 | Zendy

Eric S. Perlman | Zendy; W. B. Sparks | Zendy; James T. Radomski | Zendy; C. Packham | Zendy; R. S. Fisher | Zendy; R. K. Piña | Zendy; J. A. Biretta | Zendy

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Deep 10 Micron Imaging of M87

Author(s) -

Eric S. Perlman,

W. B. Sparks,

James T. Radomski,

C. Packham,

R. S. Fisher,

R. K. Piña,

J. A. Biretta

Publication year - 2001

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 - 10.1086/324515

Subject(s) - physics , astrophysics , torus , synchrotron radiation , jet (fluid) , telescope , astronomy , resolution (logic) , synchrotron , optics , geometry , mathematics , artificial intelligence , computer science , thermodynamics

We analyze a 10.8 ?m image of M87, obtained with the Gemini 8 m telescope + OSCIR. The image has better than 05 resolution and represents 7 hr of observing time, making it the deepest high-resolution mid-IR image ever. The core is marginally resolved, and we also detect five optically bright knots in the jet. The spectral energy distributions of these features are entirely consistent with synchrotron radiation; we find little evidence of thermal emission from a dusty torus. Four faint jet regions are below the noise level of these observations. We also find evidence for diffuse galactic emission.

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