An infrared imaging Fabry-Perot study of the galactic centre

Details An infrared imaging Fabry-Perot study of the galactic centre An infrared imaging Fabry-Perot study of the galactic centre

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.290..425w&link_type=abstract

In ESA, Infrared Spectroscopy in Astronomy p 425-428 (SEE N90-19084 11-89)

Astronomy and Astrophysics

Astronomy

3

Galactic Nuclei, Infrared Imagery, Infrared Interferometers, Line Spectra, Emission Spectra, Hydrogen, Infrared Astronomy, Infrared Instruments, Infrared Spectra

Scientific paper

The observations of the Galactic center in the Brackett gamma line at 2.166 microns are presented. They were obtained using an imaging Fabry-Perot interferometer and the near infrared camera (IRCAM). The technique allows the obtention of approximately 3,600 spectra in 30 minutes of integration time. The instrumentation and methods used to reconstruct spectra, at each point in the image, are described. Examples of the derived spectra are presented, along with the results of fitting to the line profiles to derive emission line flux images and a relative velocity map.

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