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Abstract
Abstract In this Letter, we first report one unique object SDSS J0832+0643 with particular features of narrow Balmer emission lines: double-peaked narrow Hα but single-peaked narrow Hβ. The particular features cannot be expected by currently proposed kinematic models for double-peaked narrow emission lines, because the proposed kinematic models lead to similar line profiles of narrow Balmer emission lines. However, due to radiative transfer effects, the non-kinematic model can be naturally applied to well explain the particular features of narrow Balmer emission lines: larger optical depth in Hα than 10 leads to observed double-peaked narrow Hα, but smaller optical depth in Hβ around 2 leads to observed single-peaked narrow Hβ. Therefore, SDSS J0832+0643 can be used as strong evidence to support the non-kinematic model for double-peaked narrow emission lines.
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Schedule a callMore From: Monthly Notices of the Royal Astronomical Society: Letters
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