1979•The Astrophysical JournalRequires access
A balloon observation of diffuse far-infrared emission from the galactic plane
Toshinori Maihara, N. Oda, Hiroyuki Okuda
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Abstract
The galactic diffuse far-infrared emission has been observed by a balloon-borne telescope with a 0.7 x 1 deg of arc beam, giving a surface-brightness distribution along the galactic plane from 340 to 32.5 deg galactic longitude. The overall similarity between the far-infrared isophote and the 5-GHz radio-continuum map, as well as the close correlation with the H166-alpha recombination-line intensity, suggests that the observed far-infrared emission originates in the extended low-density H II regions where ionizing UV photons are dominant energy sources for dust heating.