VizieR Online Data Catalog: HI 21cm and OH 18cm absorption search with the GBT (Grasha+, 2019)

Using the Green Bank Telescope (GBT), from 2004 September to 2005 August, 85 Flat-spectrum Radio Sources (FSRSs) were observed for intrinsic absorption in the HI 21cm line (1420.405752MHz), and 81 in the four 18cm OH lines at 1612.231, 1665.4018, 1667.35903, and 1720.5300MHz simultaneously (GBT program 04C-018). We additionally observed 60GHz-peaked Spectrum (GPS), Compact Steep-spectrum (CSS), and Compact Symmetric Object (CSO) radio sources for intrinsic absorption from 2005 December to 2006 May (GBT program 06A-044): 59 sources were observed in the HI 21cm line, and 44 sources were observed in the four OH 18cm lines. One source, PKS 2135-209, was only observed in the OH lines.

Throughout this paper, we adopt a flat ΛCDM cosmology with Ω_m=0.27, Ω_Λ=0.73, and H_o=71km/s/Mpc. All quantities obtained from the literature are recalculated (if necessary) for this cosmology.

(3 data files).