The galactic center; Proceedings of the Workshop, California Institute of Technology, Pasadena, CA, January 7, 8, 1982

Details The galactic center; Proceedings of the Workshop, California Institute of Technology, Pasadena, CA, January 7, 8, 1982 The galactic center; Proceedings of the Workshop, California Institute of Technology, Pasadena, CA, January 7, 8, 1982

May 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aipc...83.....r&link_type=abstract

Workshop supported by NASA and California Institute of Technology. New York, American Institute of Physics (AIP Conference Proce

Astronomy and Astrophysics

Astronomy

11

Conferences, Galactic Nuclei, Gamma Ray Astronomy, Infrared Astronomy, Milky Way Galaxy, Radio Astronomy, Astrometry, Balloon-Borne Instruments, Black Holes (Astronomy), Far Infrared Radiation, Galactic Bulge, Interstellar Gas, Ionized Gases, Molecular Clouds, Near Infrared Radiation, Neutral Gases, Red Giant Stars, Stellar Spectra, X Ray Astronomy

Scientific paper

Observations and theoretical models of the galactic center are discussed, together with future observational capabilities. Radio observations of the molecular gas clouds and continuum around Sgr A are reported, as are IR continuum observations of the central 30 arcmin of the galaxy. IR data at 150, 200, and 300 microns are also cited, together with balloon-borne near-IR observations of the galactic central bulge. The galactic center has been examined with IR spectroscopy to characterize the ionized gas, the B-alpha and Ne II lines, the O I and O III lines in Sgr A, and the 10 micron emissions. Gamma ray observations have indicated the presence of positron annihilation, and further studies have been made in the 0.3-1.0 MeV range. Models for the compact source at the galactic center have considered accreting black holes, an accretion disk featuring Compton scattering to emit the positron radiation, and a protostar in the center of Sgr A. The gas motions and the potential triaxiality of the galactic center are discussed, and future NASA, ESA, Franco-Soviet, and Japanese spacecraft for X ray and gamma ray detection and mapping are described. For individual items see A83-40677 to A83-40703

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