论文标题
附近类型1-Liners的光谱
Optical Spectroscopy of nearby type1-LINERs
论文作者
论文摘要
我们根据对Palomar调查的22个本地（Z $ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ <$ 0.025）的亮点。我们的目标是三倍：（a）通过研究宽（BLR原始的）H $α$分量来探索这些衬里的本质； （b）通过研究其运动学和电离机制（通过标准BPTS）来得出对发射线的多个狭窄组成部分的可靠解释； （c）首次探测这些衬里核中的中性气体。因此，从H $β$到[SII]的一组发射线的运动学和通量，以及在吸收中的NAD Doublet在从恒星分量中减去基础光之后进行了建模和测量。
We present the highlights from our recent study of 22 local (z$<$0.025) type-1 LINERs from the Palomar Survey, on the basis of optical long-slit spectroscopic observations taken with TWIN/CAHA, ALFOSC/NOT and HST/STIS (Cazzoli et al. 2018). Our goals were threefold: (a) explore the AGN- nature of these LINERs by studying the broad (BLR-originated) H$α$ component; (b) derive a reliable interpretation for the multiple narrow components of emission lines by studying their kinematics and ionisation mechanism (via standard BPTs); (c) probe the neutral gas in the nuclei of these LINERs for the first time. Hence, kinematics and fluxes of a set of emission lines, from H$β$ to [SII], and the NaD doublet in absorption have been modelled and measured, after the subtraction of the underlying light from the stellar component.
