Results 81 to 90 of about 3,019,248 (252)

On period and burst histories of AXPs and SGRs and the possible evolution of these objects on the P-P diagram

, 2003
In this paper, timing data for anomalous X-ray pulsars and soft gamma repeaters are compiled. Timing properties of these objects are investigated. The effect of bursts of soft gamma repeaters on their period history is investigated.
Guseinov, OH, Yazgan, EFE, Ankay, A, Tagieva, S   +3 more
core   +1 more source

Intelligent Micro/Nanorobots for Targeted Interventional Therapy: From Bench to Clinic

Advanced Robotics Research, EarlyView.
Zirui Zhang et al. reviewed the application and challenges of mobile nanomachines in interventional therapy. By converting exogenous energy, including chemical, magnetic, optical, and ultrasonic sources, into mechanical forces, micro/nanorobots (MNRs) enable precise actuation at unprecedented scales. Evolving far beyond traditional drug delivery, these
Zirui Zhang, Yu Dong, Yongsheng Du, Rui Gao, Lin Zhang, Fei Tong   +5 more
wiley   +1 more source

GTC Optical/Near-infrared Upper Limits and NICER X-Ray Analysis of SGR J1935+2154 for the Outburst in 2022

The Astrophysical Journal
The Galactic magnetar SGR J1935+2154 has undergone another outburst since 2022 October 10. We present the results of searching for an optical/near-infrared (NIR) counterpart of SGR J1935+2154 before and during this outburst.
Yi-Xuan Shao, Ping Zhou, Xiang-Dong Li, Bin-Bin Zhang, Alberto Javier Castro-Tirado, Pei Wang, Di Li, Zeng-Hua Zhang, Zi-Jian Zhang, You-Dong Hu, Shashi B. Pandey   +10 more
doaj   +1 more source

Soft Gamma-ray Repeaters in Clusters of Massive Stars

, 1999
4 pages, 2 figures, To appear in the Proceedings of the 5th Huntsville Gamma Ray Burst Symposium, Huntsville, Alabama, USA, Oct.
Mirabel, Felix I., Fuchs, Yael, Chaty, and Sylvain   +2 more
openaire   +2 more sources

Origin of High Velocity Pulsar and Soft Gamma Ray Repeaters [PDF]

International Astronomical Union Colloquium, 1996
Abstract We consider a close binary system with separation ≃ 0.2 R⊙ which consists of a (C+O) star of mass ≃ 4 M⊙ and a neutron star as a progenitor of soft gamma-ray repeater (SGR) and a high velocity pulsar. After the event of the supernova explosion, both new and old neutron stars have high relative velocity of ≃ 1000km s−1 to the center of mass ...
openaire   +1 more source

Search for gravitational wave bursts from six magnetars

, 2016
Soft gamma repeaters (SGRs) and anomalous X-ray pulsars (AXPs) are thought to be magnetars: neutron stars powered by extreme magnetic fields. These rare objects are characterized by repeated and sometimes spectacular gamma-ray bursts.
Blackburn, James Kent, Lindquist, P, Scott, Susan M, Slagmolen, Bram, McClelland, David, Black, E, Heefner, J, Adhikari, R, Hough, J, Araya, M, Chua, Sheon, Mow-Lowry, C, Satterthwaite, Matthew, Inta, Ra, LIGO , Scientific Collaboration (700 Scientists), Mullavey, Adam, Abbott, B, Stefszky, Michael, Hurley, K C, Shaddock, Daniel, Abadie, J, Anderson, S B, Ivanov, A   +22 more
core   +1 more source

Robotics in Ionizing Radiation Environments: Vulnerabilities, Hardening, and Future Directions

Advanced Robotics Research, EarlyView.
Radiation exposure causes cumulative degradation in robotic sensors, actuators, and electronic logic, often leading to undetected failures. This study maps component vulnerabilities, evaluates hardening and shielding strategies, and identifies testing gaps that must be addressed to enable next‐generation radiation‐tolerant robotic systems.
Francis A. K. Djirackor, Josephine T. Djirackor, Amanuel Abrdo Tereda, Sun Yi, Younho Seong   +4 more
wiley   +1 more source

NICER Magnetar Burst Catalog

The Astrophysical Journal Supplement Series
In this paper, we present a comprehensive catalog of short bursts from magnetars based on 8 yr of NICER observations. A total of 1130 bursts were identified from 14 sources, with the sample dominated by SGR 1935+2154, which accounts for 76% of all ...
Che-Yen Chu, Chin-Ping Hu, Teruaki Enoto, George A. Younes, Rachael Stewart, Zaven Arzoumanian, Wynn C. G. Ho, Zorawar Wadiasingh, Andrea Sanna, Sebastien Guillot, Gaurava K. Jaisawal, Matthew G. Baring, Marlon L. Bause, Tolga Güver, Chryssa Kouveliotou, Alex Van Kooten, Keith C. Gendreau   +16 more
doaj   +1 more source

Wavy‐Interlocked Stretchable Triboelectric Nanogenerators Enhanced by Liquid Metal Microflowers for Self‐Powered Wearable Motion Monitoring

Advanced Science, EarlyView.
Schematic showing a stretchable triboelectric nanogenerator based on interlocked wavy architectures that uses EGaIn microflower‐embedded PVDF‐TrFE and Nylon‐6 nanofiber membranes. The multi‐petaled, electron‐rich EGaIn microflowers enhance interfacial polarization and capacitance, while the interlocked wavy architecture enlarges the effective contact ...
Qianqian Xu, Huimin Li, Hanmin Zeng, Yahui Meng, Yimeng He, Xinke Hu, Senfeng Zhao, Jianxun Zhang, Peiqiong Zhou, Kechao Zhou, Dou Zhang, Chris Bowen, Yan Zhang   +12 more
wiley   +1 more source

Late-blooming Magnetars: Awakening as Long-period Transients after a Dormant Cooling Epoch

The Astrophysical Journal
Long-period transients are an elusive class of compact objects uncovered by radio surveys. While magnetars are a leading candidate for those sources that appear isolated, several observational properties challenge the established evolutionary framework: (
Arthur G. Suvorov, Clara Dehman, José A. Pons   +2 more
doaj   +1 more source