中国科学院机构知识库网格系统: 检索

Broadband Multiwavelength Study of LHAASO-detected Active Galactic Nuclei 期刊论文 OAI收割
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 2024, 卷号: 271, 期号: 1
作者: Wang, Ze-Rui; Xue, Rui; Xiong DR(熊定荣); Wang, Hai-Qin; Sun, Lu-Ming

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收藏 | 浏览/下载：10/0 | 提交时间：2024/03/29

Infrared observations of the flaring maser source G358.93-0.03: SOFIA confirms an accretion burst from a massive young stellar object 期刊论文 OAI收割
ASTRONOMY & ASTROPHYSICS, 2021, 卷号: 646, 页码: A161
作者: Stecklum, B.; Wolf, V.; Linz, H.; Caratti o Garatti, A.; Schmidl, S.

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收藏 | 浏览/下载：24/0 | 提交时间：2021/04/23

accretion accretion disks stars: formation stars: protostars stars: individual: G358 93-0 03 radiative transfer

Constraining the X-Ray–Infrared Spectral Index of Second-timescale Flares from SGR 1935+2154?with Palomar Gattini-IR 期刊论文 OAI收割
The Astrophysical Journal Letters, 2020, 卷号: 901, 期号: 1
作者: De,Kishalay; Ashley,Michael C. B.; Andreoni,Igor; Kasliwal,Mansi M.; Soria,Roberto

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收藏 | 浏览/下载：24/0 | 提交时间：2021/12/06

Radio transient sources Magnetars Soft gamma-ray repeaters

GRB 200415A: A Short Gamma-Ray Burst from a Magnetar Giant Flare? 期刊论文 OAI收割
ASTROPHYSICAL JOURNAL, 2020, 卷号: 899, 期号: 2, 页码: 11
作者: Yang, Jun; Chand, Vikas; Zhang, Bin-Bin; Yang, Yu-Han; Zou, Jin-Hang

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收藏 | 浏览/下载：24/0 | 提交时间：2020/09/28

Gamma-ray bursts Soft gamma-ray repeaters Magnetars Gamma-ray transient sources

Constraining the X-Ray-Infrared Spectral Index of Second-timescale Flares from SGR 1935+2154 with Palomar Gattini-IR 期刊论文 OAI收割
The Astrophysical Journal, 2020, 卷号: 901, 页码: L7
作者: HXMT

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收藏 | 浏览/下载：16/0 | 提交时间：2022/02/08

Radio transient sources Magnetars Soft gamma-ray repeaters 2008 992 1471 Astrophysics - High Energy Astrophysical Phenomena Astrophysics - Instrumentation and Methods for Astrophysics Abstract: The Galactic magnetar SGR 1935+2154 has been reported to produce the first example of a bright millisecond-duration radio burst (FRB 200428) similar to the cosmological population of fast radio bursts (FRBs). The detection of a coincident bright X-ray burst represents the first observed multiwavelength counterpart of an FRB. However, the search for similar emission at optical wavelengths has been hampered by the high inferred extinction on the line of sight. Here, we present results from the first search for second-timescale emission from the source at near-infrared (NIR) wavelengths using the Palomar Gattini-IR observing system in the J band, enabled by a novel detector readout mode that allows short exposure times of ?0.84 s with 99.9% observing efficiency. With a total observing time of ?12 hr (?47,728 images) during its 2020 outburst, we place median 3Ҡlimits on the second-timescale NIR fluence of ?18 Jy ms (13.1 AB mag). The corresponding extinction-corrected limit is ?125 Jy ms for an estimated extinction of A_J = 2.0 mag. Our observations were sensitive enough to easily detect an NIR counterpart of FRB 200428 if the NIR emission falls on the same power law as observed across its radio to X-ray spectrum. We report nondetection limits from epochs of four simultaneous X-ray bursts detected by the Insight-HXMT and NuSTAR telescopes during our observations. These limits provide the most stringent constraints to date on fluence of flares at 10¹⁴ Hz, and constrain the fluence ratio of the NIR emission to coincident X-ray bursts to R_NIR ? 0.025 (fluence index ?0.35).

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

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收藏 | 浏览/下载：27/0 | 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.

The FRB 121102 Host Is Atypical among Nearby Fast Radio Bursts 期刊论文 OAI收割
The Astrophysical Journal Letters, 2019, 卷号: 884, 期号: 1
作者: Li,Ye; Zhang,Bing; Nagamine,Kentaro; Shi,Jingjing

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收藏 | 浏览/下载：50/0 | 提交时间：2019/12/02

High energy astrophysics Radio astronomy Radio transient sources Radio bursts

The search for high-energy neutrinos coincident with fast radio bursts with the ANTARES neutrino telescope 期刊论文 OAI收割
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2019, 卷号: 482, 期号: 1, 页码: 184-193
作者: Albert, A.; Andre, M.; Anghinolfi, M.; Anton, G.; Ardid, M.

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收藏 | 浏览/下载：18/0 | 提交时间：2020/03/10

acceleration of particles neutrinos astroparticle physics radio continuum: transients methods: data analysis

Searching for gamma-ray counterparts to very faint X-ray transient neutron star binaries 期刊论文 OAI收割
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2018, 卷号: 18, 期号: 9
作者: Wang, Ge-Ge; Wang, Zhong-Xiang

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收藏 | 浏览/下载：8/0 | 提交时间：2019/05/23

Stars: Pulsars Stars: Binaries Gamma Rays: Stars

Einstein Probe: Exploring the ever-changing X-ray Universe 期刊论文 OAI收割
Scientia Sinica Physica, Mechanica & Astronomica（中国科学，物理，力学，天文学）, 2018, 卷号: 48, 期号: 3, 页码: 39502
作者: Yuan Weimin

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收藏 | 浏览/下载：136/0 | 提交时间：2018/07/19