N(HI) and jet power/emission in AGNs
Zhongzu Wu, Minfeng Gu, Ming Zhu
TL;DR
This study investigates the relationship between neutral hydrogen absorption and jet power in active galactic nuclei, revealing correlations that enhance understanding of jet-ISM interactions in powerful radio sources.
Contribution
It provides the first analysis of correlations between HI column density and jet power in a sample of AGNs, based on existing observational data.
Findings
Positive correlation between N(HI) and low-frequency luminosity at 408MHz.
Correlation between N(HI) and radio luminosity at 1400MHz.
Preliminary evidence of interaction between jets and surrounding neutral hydrogen.
Abstract
Neutral hydrogen (HI) 21 cm absorption has been detected against more and more powerful radio jets. In this work, based on the Guppta et al. 2006a sample, we present our preliminary study of the correlations between the HI column density N(HI) and the jet power, N(HI) versus the low frequency luminosity at 408MHz, and N(HI) versus the radio luminosity at 1400MHz.
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