The Excited Atomic Hydrogen Lines 126a and 127a in HII Regions
Open Access
- 1 January 1968
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Physics
- Vol. 21 (2) , 149-166
- https://doi.org/10.1071/ph680149
Abstract
Forty radio sources have been observed for the presence of the hydrogen recombination lines 126", at 3248�708 MHz and 127", at 3172�864 MHz with a 6' arc aerial beam and a receiver with 48 channels of 37 kHz bandwidth each. Detections were made in 34 sources, all of which were either HI! regions or optically unidentified thermal sources.Keywords
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