Results 121 to 130 of about 6,025 (156)

Shanghai Tianma Radio Telescope and Its Role in Pulsar Astronomy

Universe
After two phases of on-site construction and testing (2010–2013 and 2013–2017), the Shanghai Tianma Radio Telescope (TMRT) can work well, with efficiencies better than 50% from 1.3 to 50.0 GHz, mainly benefiting from its low-noise cryogenic receivers and
Zhen Yan, Zhiqiang Shen, Yajun Wu, Rongbing Zhao, Jie Liu, Zhipeng Huang, Rui Wang, Xiaowei Wang, Qinghui Liu, Bin Li, Jinqing Wang, Weiye Zhong, Wu Jiang, Bo Xia   +13 more
doaj   +1 more source

Spectral Properties of Globally Distributed ENA Fluxes across Diverse Regions of the Heliosphere

The Astrophysical Journal
This study analyzes energetic neutral atom (ENA) spectral properties across distinct regions of globally distributed flux (GDF) sky maps, using Interstellar Boundary Explorer data from a full solar cycle, corrected for time dispersion.
Thomas K. Kim, Daniel B. Reisenfeld, Eric J. Zirnstein, Paul H. Janzen, Asher S. Merrill, Sung Jun Noh, Nehpreet K. Walia, Yue Chen, Fan Guo, Dave Osthus, Lauren J. Beesley, Dae-Kyu Shin, Justyna M. Sokół, Maciej Bzowski, Marzena A. Kubiak, Czeslaw Porowski, Herbert O. Funsten   +16 more
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Evidence for a continuous, power law, electron density irregularity spectrum [PDF]

The spectral form of the irregularities in electron density that cause interplanetary scintillation (IPS) of small angular diameter radio sources is discussed.
Cronyn, W. M.
core   +1 more source

The dissipation of magnetohydrodynamic turbulence responsible for interstellar scintillation and the heating of the interstellar medium

The Astrophysical Journal, 1991
The present reexamination of the problem of ISM heating via the damping of plasma irregularities responsible for interstellar scintillations of radio sources gives attention to the effects of recent observational results on the hot plasma of the irregularities and on developments of in the theory of MHD waves.
openaire   +1 more source

Timing and Scintillation Studies of Pulsars in Globular Cluster M3 (NGC 5272) with FAST

The Astrophysical Journal
We present the phase-connected timing solutions of all five pulsars in globular cluster M3 (NGC 5272), namely PSRs M3A to F (PSRs J1342+2822A to F), with the exception of PSR M3C, from FAST archival data.
Baoda Li, Li-yun Zhang, Jumei Yao, Dejiang Yin, Ralph P. Eatough, Minghui Li, Yifeng Li, Yujie Lian, Yu Pan, Yinfeng Dai, Yaowei Li, Xingnan Zhang, Tianhao Su, Yuxiao Wu, Tong Liu, Kuo Liu, Lin Wang, Lei Qian, Zhichen Pan   +18 more
doaj   +1 more source

Radio Observations Point to a Moderately Relativistic Outflow in the Fast X-Ray Transient EP241021a

The Astrophysical Journal
Fast X-ray transients (FXRTs) are short-lived X-ray outbursts with diverse progenitor scenarios, including compact object mergers, stellar core collapses, and tidal disruption events.
Muskan Yadav, Eleonora Troja, Roberto Ricci, Yu-Han Yang, Mark H. Wieringa, Brendan O’Connor, Yacheng Kang, Rosa L. Becerra, Geoffrey Ryan, Malte Busmann   +9 more
doaj   +1 more source

Commensal Transient Searches with MeerKAT in Gamma-Ray Burst and Supernova Fields

The Astrophysical Journal
The sensitivity and field of view of the MeerKAT radio telescope provide excellent opportunities for commensal transient searches. We carry out a commensal transient search in supernova and short gamma-ray burst fields using methodologies established by ...
S. I. Chastain, A. J. van der Horst, A. Horesh, A. Rowlinson, A. Andersson, R. Diretse, M. Vaccari, R. P. Fender, P. A. Woudt   +8 more
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Interstellar Scintillation and Pulsar Intensity Variations [PDF]

Monthly Notices of the Royal Astronomical Society, 1970
openaire   +1 more source

Interstellar Scintillation Studies of EPTA Pulsars

, 2022
openaire   +1 more source

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Interstellar scintillation and the interstellar turbulent plasma

Astronomical and Astrophysical Transactions, 2002
Data on interstellar diffractive and refractive scintillation of pulsars are analyzed. The comparison between the theory and the observational data shows that two types of spectra for electron density fluctuations are realized in the interstellar medium: simple power law and piecewise with a break. The distribution of turbulent plasma in the Galaxy has
V I Shishov
exaly   +2 more sources