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100-MICRON Map of the Galactic-Center Region

W. F. Hoffmann, Carl L. Frederick, Roger J. Emery

Open publisher page 62 citations

Abstract

A detailed far-infrared map of the galacticcenter region has been obtained in the spectral interval 75-125 M with a resolution of 6'. An emitting region 20 by 3?6 yields a total flux density of 7.6 * 0.8 X 10-20 W m Hz-i, a luminosity of 1.2 X 1042 ergs , and a peak brightness of 7A X 10 ergs cm j i sterad-1. Five individual peaks are observed, four of which correspond to the radio-source positions of Sagittarius A, Sagittarius B2, G-0.6-0.1, and KE 56. The Sgr A and B sources are clearly resolved. These observations support the thermal dust-emission model with most probable dust temperatures in the range K.

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What this paper is about

A detailed far-infrared map of the galacticcenter region has been obtained in the spectral interval 75-125 M with a resolution of 6'. An emitting region 20 by 3?6 yields a total flux density of 7.6 * 0.8 X 10-20 W m Hz-i, a luminosity of 1.2 X 1042 ergs , and a peak brightness of 7A X 10 ergs cm j i sterad-1. Five individual peaks are observed, four of which correspond to the radio-source positions of Sagittarius A, Sagittarius B2, G-0.6-0.1, and KE 56. The Sgr A and B sources are clearly resolved. These observations support the thermal dust-emission model with most probable dust temperatures in the range K.

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Available abstract

A detailed far-infrared map of the galacticcenter region has been obtained in the spectral interval 75-125 M with a resolution of 6'. An emitting region 20 by 3?6 yields a total flux density of 7.6 * 0.8 X 10-20 W m Hz-i, a luminosity of 1.2 X 1042 ergs , and a peak brightness of 7A X 10 ergs cm j i sterad-1. Five individual peaks are observed, four of which correspond to the radio-source positions of Sagittarius A, Sagittarius B2, G-0.6-0.1, and KE 56. The Sgr A and B sources are clearly resolved. These observations support the thermal dust-emission model with most probable dust temperatures in the range K.

Key concepts: Physics, Galactic Center, Astrophysics, Sagittarius A*, Luminosity, Center (category theory), Astronomy, Flux (metallurgy)

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