144 citations · 799 across the 25 of their papers we have counts for
25 papers
Discovery of a 24-millisecond pulsar in a very long orbit with the Murchison Widefield Array
Chia Min Tan, N. D. Ramesh Bhat, Bradley W. Meyers +9
We report the discovery of PSR J01255854, a pulsar with a spin period of 24 ms and a dispersion measure of 11.66 pc cm in the ongoing Southern-sky MWA Rapid Two-metre (SMAR…
Single-pulse-based interstellar scintillation studies of RRATs
Zi-wei Wu, Wei-wei Zhu, Zi-yao Fang +16
The nature of irregularly spaced pulses of rotating radio transients (RRATs) complicates interstellar scintillation studies. In this letter, we report the primary scintillation par…
The Relativistic Spin Precession in the Compact Double Neutron Star System PSR~J1946+2052
Lingqi Meng, Weiwei Zhu, Michael Kramer +16
We observe systematic profile changes in the visible pulsar of the compact double neutron star system PSR~J1946+2052 using observations with the Five-hundred-meter Aperture Spheric…
A discovery of Two Slow Pulsars with FAST: "Ronin" from the Globular Cluster M15
Dengke Zhou, Pei Wang, Di Li +26
Globular clusters harbor numerous millisecond pulsars, but long-period pulsars ( ms) are rarely found. In this study, we employed a fast folding algorithm to analyze…
Reciprocating Magnetic Fields in the Pulsar Wind Observed from the Black Widow Pulsar J1720-0534
Chen-Chen Miao, Victoria Blackmon, Wei-Wei Zhu +41
We report the radio observations of the eclipsing black widow pulsar J1720-0534, a 3.26 ms pulsar in orbit with a low mass companion of mass 0.029 to 0.034 M. We obtain t…
A radio pulsar phase from SGR J1935+2154 provides clues to the magnetar FRB mechanism
Weiwei Zhu, Heng Xu, Dejiang Zhou +34
The megajansky radio burst, FRB 20200428, and other bright radio bursts detected from the Galactic source SGR J1935+2154 suggest that magnetars can make fast radio bursts (FRBs), b…
Pulsar discovery prospect of FASTA
Mengyao Xue, Weiwei Zhu, Xiangping Wu +2
The Five-hundred-meter Aperture Spherical radio Telescope (FAST) has discovered more than 650 new pulsars, which account for 20% of our known Galactic pulsar population. In this pa…
High-altitude Magnetospheric Emissions from Two Pulsars
Mao Yuan, Weiwei Zhu, Michael Kramer +21
We discover three new weak pulse components in two known pulsars, one in PSR J0304+1932 and two in PSR J1518+4904. These components are emitted about half way between the main emis…
An extremely active repeating fast radio burst source in a likely non-magneto-ionic environment
Yi Feng, Di Li, Yong-Kun Zhang +24
Fast radio bursts (FRBs) are bright radio bursts originating at cosmological distances. Only three repeating FRBs FRB 20121102A, FRB 20190520B and FRB 20201124A among 60 kno…
The Southern-sky MWA Rapid Two-metre (SMART) pulsar survey -- II. Survey status, pulsar census, and first pulsar discoveries
N. D. R. Bhat, N. A. Swainston, S. J. McSweeney +19
In Paper I, we presented an overview of the Southern-sky MWA Rapid Two-metre (SMART) survey, including the survey design and search pipeline. While the combination of MWA's large f…
The Southern-sky MWA Rapid Two-metre (SMART) pulsar survey -- I. Survey design and processing pipeline
N. D. R. Bhat, N. A. Swainston, S. J. McSweeney +19
We present an overview of the Southern-sky MWA Rapid Two-metre (SMART) pulsar survey that exploits the MWA's large field of view and voltage capture system to survey the sky south…
The discovery of a rotating radio transient J19180449 with intriguing emission properties with the five hundred meter aperture spherical radio telescope
J. L. Chen, Z. G. Wen, J. P. Yuan +12
In this study, we report on a detailed single pulse analysis of the radio emission from a rotating radio transient (RRAT) J19180449 which is the first RRAT discovered with the f…
Arecibo and FAST Timing Follow-up of twelve Millisecond Pulsars Discovered in Commensal Radio Astronomy FAST Survey
C. C. Miao, W. W. Zhu, D. Li +46
We report the phase-connected timing ephemeris, polarization pulse profiles, Faraday rotation measurements, and Rotating-Vector-Model (RVM) fitting results of twelve millisecond pu…
Emission Variation of a Long-period Pulsar Discovered by the Five-hundred-meter Aperture Spherical Radio Telescope (FAST)
H. M. Tedila, R. Yuen, N. Wang +16
We report on the variation in the single-pulse emission from PSR J1900+4221 (CRAFTS 19C10) observed at frequency centered at 1.25 GHz using the Five-hundred-meter Aperture Spherica…
Categorize Radio Interference using component and temporal analysis
Mao Yuan, Weiwei Zhu, Haiyan Zhang +12
Radio frequency interference (RFI) is a significant challenge faced by today's radio astronomers. While most past efforts were devoted to cleaning the RFI from the data, we develop…
Frequency-dependent polarization of repeating fast radio bursts-implications for their origin
Yi Feng, Di Li, Yuan-Pei Yang +23
The polarization of fast radio bursts (FRBs), bright astronomical transients, contains crucial information about their environments. We report polarization measurements of five rep…
Magnetic Field Reversal around an Active Fast Radio Burst
S. Dai, Y. Feng, Y. P. Yang +22
The environment of actively repeating fast radio bursts (FRBs) has been shown to be complex and varying. The recently localized FRB 20190520B is extremely active, has the largest c…
Magnetic field reversal in the turbulent environment around a repeating fast radio burst
Reshma Anna-Thomas, Liam Connor, Shi Dai +27
Fast radio bursts (FRBs) are brief, intense flashes of radio waves from unidentified extragalactic sources. Polarized FRBs originate in highly magnetized environments. We report ob…
FAST early pulsar discoveries: Effelsberg follow-up
M. Cruces, D. J. Champion, D. Li +21
We report the follow-up of 10 pulsars discovered by the Five-hundred-meter Aperture Spherical radio-Telescope (FAST) during its commissioning. The pulsars were discovered at a freq…
Discovery of a steep-spectrum low-luminosity pulsar with the Murchison Widefield Array
N. A. Swainston, N. D. R. Bhat, M. Sokolowski +17
We report the discovery of the first new pulsar with the Murchison Widefield Array (MWA), PSR J00361033, a long-period (0.9 s) nonrecycled pulsar with a dispersion measure (DM)…
Science with the Murchison Widefield Array: Phase I Results and Phase II Opportunities
A. P. Beardsley, M. Johnston-Hollitt, C. M. Trott +56
The Murchison Widefield Array (MWA) is an open access telescope dedicated to studying the low frequency (80300 MHz) southern sky. Since beginning operations in mid 2013, the MWA…
Evolved Massive Stars at Low-metallicity I. A Source Catalog for the Small Magellanic Cloud
Ming Yang, Alceste Z. Bonanos, Bi-Wei Jiang +9
We present a clean, magnitude-limited (IRAC1 or WISE1 15.0 mag) multiwavelength source catalog for the SMC with 45,466 targets in total, with the purpose of building an anch…
MWA Tied-Array Processing II: Polarimetric Verification and Analysis of two Bright Southern Pulsars
Mengyao Xue, S. M. Ord, S. E. Tremblay +5
Polarimetric studies of pulsars at low radio frequencies provide important observational insights into the pulsar emission mechanism and beam models, and probe the properties of th…
A Census of Southern Pulsars at 185 MHz
Mengyao Xue, N. D. R. Bhat, S. E. Tremblay +7
The Murchison Widefield Array (MWA), and its recently-developed Voltage Capture System (VCS), facilitates extending the low-frequency range of pulsar observations at high-time and…