A Radio Spectral Line Study of the 2-Jy IRAS-NVSS Sample: Part I

Details A Radio Spectral Line Study of the 2-Jy IRAS-NVSS Sample: Part I A Radio Spectral Line Study of the 2-Jy IRAS-NVSS Sample: Part I

2010-03-22

arxiv.org/abs/1003.4047v2

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

38 pages, 7 figures, 9 tables. Accepted for publication in AJ

Scientific paper

We present results from an on-going survey for the HI 21 cm line and the OH 18 cm lines in IR galaxies with the Arecibo 305 m Radio Telescope. The observations of 85 galaxies extracted from the 2 Jy IRAS-NVSS sample in the R.A. (B1950) range 20 h-00 h are reported in this paper. We detected the HI 21 cm line in 82 of these galaxies, with 18 being new detections, and the OH 18 cm lines in 7 galaxies, with 4 being new detections. In some cases, the HI spectra show the classic double-horned or single-peaked emission profiles. However, the majority exhibit distorted HI spectral features indicating that the galaxies are in interacting and/or merging systems. From these HI and OH observations, various properties of the sample are derived and reported.

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