Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992natur.355..526e&link_type=abstract
Nature (ISSN 0028-0836), vol. 355, Feb. 6, 1992, p. 526-529.
Astronomy and Astrophysics
Astronomy
75
Black Holes (Astronomy), High Temperature Gases, Infrared Sources (Astronomy), Milky Way Galaxy, Near Infrared Radiation, Radio Sources (Astronomy), Accretion Disks, Infrared Spectroscopy, Interstellar Gas, Spatial Resolution
Scientific paper
Near-infrared speckle and imaging spectroscopic observations are reported which resolve the central Galactic complex comprising SgrA* and the infrared source IRS16 into about two dozen compact sources. An expanding bubble of hot gas is found to be centered within 3 arcsec of SgrA*. There is also evidence of a blue object, positionally coincident with SgrA*, emitting at 2 microns. The hot bubble is probably created by shock excitation of a fast wind. These observations are consistent with the presence of an accreting massive black hole at the Galactic center.
Drapatz Siegfried
Eckart Andreas
Genzel Reinhard
Hofmann Ralf
Krabbe Alfred
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