2.4-micron mapping of the galactic central region

Details 2.4-micron mapping of the galactic central region 2.4-micron mapping of the galactic central region

Feb 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.265..515o&link_type=abstract

Nature, vol. 265, Feb. 10, 1977, p. 515, 516.

Astronomy and Astrophysics

Astronomy

26

Astronomical Maps, Galactic Nuclei, Galactic Radiation, Infrared Astronomy, Milky Way Galaxy, Brightness, Galactic Bulge, Interstellar Extinction, Near Infrared Radiation, Radiation Distribution

Scientific paper

A balloon-borne telescope with a resolution of 1 deg of arc was used to observe diffuse galactic radiation at 2.4 microns from the central region of the Galaxy between 350 and 30 deg longitude. The observations clearly reveal the central bulge of the Galaxy, the very flat and narrow disk components, and a strong concentration of interstellar extinction toward the galactic plane in the central region. The 2.4-micron brightness at the galactic center is determined to be about 1.6 by 10 to the -9th power W/sq cm per sr. An asymmetry in 2.4-micron intensity is noted between 'positive and negative sides' of galactic longitude.

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