X射线中的钻石环:研究超新星剩余物G28.8+1.5的漫射辐射

IF 3.3 3区 物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS Publications of the Astronomical Society of the Pacific Pub Date : 2024-07-24 DOI:10.1088/1538-3873/ad6105
Kaiyue Zhang
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引用次数: 0

摘要

超新星遗迹是超新星爆炸的产物,通常在 X 射线波段观测到。然而,在对脉冲星和脉冲星风星云进行初步搜索后,银河系超新星残余物 G28.8+1.5 的弥散发射却被忽视了。本文利用XMM-牛顿的档案数据进行了背景减缩成像和空间分辨光谱分析,揭示了弥散发射的前所未有的细节,提供了距离和年龄的最新估计值。研究首次揭示了铁元素过剩的现象,并推测其祖先为 9-15 M⊙。这些发现完善了我们对G28.8+1.5的理解,有助于更广泛地理解银河系超新星残余家族。
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A Diamond Ring in X-Ray: Investigating the Diffuse Emission of Supernova Remnant G28.8+1.5
Supernova remnants are products of supernova explosions, which are usually observed in the X-ray band. However, the diffuse emission from the galactic supernova remnant G28.8+1.5 has been overlooked following initial searches for pulsars and pulsar wind nebulae. This paper presents background-subtracted imaging and spatial-resolved spectral analyses using archival XMM-Newton data to reveal unprecedented details of the diffuse emission, providing updated estimates of distance and age. For the first time, an iron overabundance is revealed and the progenitor is suggested to be 9–15 M⊙. These findings refine our understanding of G28.8+1.5 and contribute to a broader comprehension of the Galactic supernova remnant family.
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来源期刊
Publications of the Astronomical Society of the Pacific
Publications of the Astronomical Society of the Pacific 地学天文-天文与天体物理
CiteScore
6.70
自引率
5.70%
发文量
103
审稿时长
4-8 weeks
期刊介绍: The Publications of the Astronomical Society of the Pacific (PASP), the technical journal of the Astronomical Society of the Pacific (ASP), has been published regularly since 1889, and is an integral part of the ASP''s mission to advance the science of astronomy and disseminate astronomical information. The journal provides an outlet for astronomical results of a scientific nature and serves to keep readers in touch with current astronomical research. It contains refereed research and instrumentation articles, invited and contributed reviews, tutorials, and dissertation summaries.
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