GRB 030329 主机星系的光谱-光度测 study
天体物理学
2016-08-16 v2
摘要
本研究呈现了对 GRB 030329 主机星系的光学/近红外 (NIR) 宽带光度测量和光谱观测。该主机的光谱能谱 (SED) 与 starburst 星系模板相符,主导星际团体年龄约为 ~150 Myr,消性 。分析光谱发射线显示,该主机可能是一颗低金属星系。基于剩余紫外连续光谱和 [OII] 线强度的两个独立诊断,提供了一致的未消性星际形成率 。该主机的低绝对星等 () 暗示其比值 较高。
引用
@article{arxiv.astro-ph/0508541,
title = {Spectro-photometric study of the GRB 030329 host galaxy},
author = {J. Gorosabel and D. Perez-Ramirez and J. Sollerman and A. de Ugarte Postigo and J. P. U. Fynbo and A. J. Castro-Tirado and P. Jakobsson and L. Christensen and J. Hjorth and G. Johannesson and S. Guziy and J. M. Castro Cerón and G. Bjornsson and V. V. Sokolov and T. A. Fatkhullin and K. Nilsson},
journal= {arXiv preprint arXiv:astro-ph/0508541},
year = {2016}
}
备注
4 pages, 2 figures, accepted for publication in Il nuovo cimento (4th Workshop Gamma-Ray Bursts in the Afterglow Era, Rome, 18-22 October 2004)