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Self-consistent Color–Stellar Mass-to-light Ratio Relations for Low Surface Brightness Galaxies 期刊论文  OAI收割
The Astronomical Journal, 2020, 卷号: 160, 期号: 3
作者:  Du,Wei;  McGaugh,Stacy S.
  |  收藏  |  浏览/下载：18/0  |  提交时间：2021/12/06
GRB 200415A: A Short Gamma-Ray Burst from a Magnetar Giant Flare? 期刊论文  OAI收割
The Astrophysical Journal, 2020, 卷号: 899, 页码: 106
作者:  HXMT
  |  收藏  |  浏览/下载：39/0  |  提交时间：2022/02/08
Gamma-ray bursts  Soft gamma-ray repeaters  Magnetars  Gamma-ray  transient sources  629  1441  992  1853  Astrophysics - High Energy  Astrophysical Phenomena  Abstract: The giant flares of soft gamma-ray repeaters (SGRs) have long been proposed to contribute to at least a subsample of the observed short gamma-ray bursts (GRBs). In this paper, we perform a comprehensive analysis of the high-energy data of the recent bright short GRB 200415A, which was located close to the Sculptor galaxy. Our results suggest that a magnetar giant flare provides the most natural explanation for most observational properties of GRB 200415A, including its location, temporal and spectral features, energy, statistical correlations, and high-energy emissions. On the other hand, the compact star merger GRB model is found to have difficulty reproducing such an event in a nearby distance. Future detections and follow-up observations of similar events are essential to firmly establish the connection between SGR giant flares and a subsample of nearby short GRBs.  
Abundance Estimates for 16 Elements in 6 Million Stars from LAMOST DR5 Low-Resolution Spectra 期刊论文  OAI收割
The Astrophysical Journal Supplement Series, 2019, 卷号: 245, 期号: 2
作者:  Xiang,Maosheng;  Ting,Yuan-Sen;  Rix,Hans-Walter;  Sandford,Nathan;  Buder,Sven
  |  收藏  |  浏览/下载：25/0  |  提交时间：2020/03/10