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Title: Survey of radio recombination lines using the Ooty radio telescope at 328 MHz in the inner galaxy
Authors: Baddi, Raju R.
Keywords: H II regions
ISM: abundances
radio lines: ISM
Issue Date: Feb-2012
Publisher: IOP Publishing for the American Astronomical Society
Citation: Astronomical Journal, 2012, Vol.143, p26
Abstract: A survey of radio recombination lines in the Galactic plane with longitude -32° < l < +80° and latitude b < ±3° using Ooty Radio Telescope (ORT) at 328 MHz is reported. ORT observations were made using a New Digital Backend (NDB) recently added to the telescope. With the NDB ORT had a beam of 2fdg3 × 2fdg2 sec(δ) and a passband of ~1 MHz in the spectral line mode. The above-mentioned Galactic region was divided into ~2° × 2° patches with the ORT beam pointed to the center. The ORT observations form a study of the distribution of extended low-density warm-ionized medium (ELDWIM) in the inner Galaxy using H271α RLs. By obtaining kinematical distances using V LSR of the H271α RLs, the distribution of ELDWIM clouds within the inner Galaxy has been deduced for the region given above.
Description: Restricted Access An open-access version is available at (one of the alternative locations)
ISSN: 0004-6256
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Copyright: 2012 American Astronomical Society
Appears in Collections:Research Papers (A&A)

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