195 citations · 469 across the 24 of their papers we have counts for
24 papers
Relativistic effects of PSR~J1856--0039 double neutron star system in a 2.36-hour compact orbit
Z. L. Yang, J. L. Han, W. Q. Su +11
Compact double neutron star (DNS) systems are unique laboratories for testing gravitational theories and studying DNS mergers. Here we report the properties of a new DNS system, PS…
FAST Pulsar Database IV. Spike subpulses and quasi-periodic subpulses of 25 pulsars observed by FAST
Tao Wang, N. N. Cai, J. L. Han +6
Fine structures of individual pulses can be detected when observations are conducted with a high time resolution and a great sensitivity. We examined pulsar data observed by the Fi…
The FAST Galactic Plane Pulsar Snapshot Survey. IX. Timing Three Binary Pulsars with Wide Orbits and Low Orbital Eccentricities
Z. L. Yang, J. L. Han, W. Q. Su +11
Current pulsar timing models face challenges when applied to binary pulsars with wide orbits and low orbital eccentricities. The conventional \texttt{DD} model accurately character…
A Candidate Open Cluster Pulsar: Timing Analysis of PSR J1922+3745 in NGC 6791
Xiao-Jin Liu, Ralph P. Eatough, Zhichen Pan +15
PSR J1922+3745 was recently identified as a radio pulsar toward the old open cluster NGC 6791, raising the prospect of the first pulsar associated with an open cluster. We report F…
Mass measurements of the double neutron star system PSR J0641+0448
Z. L. Yang, J. L. Han, P. F. Wang +8
Pulsar timing of double neutron star (DNS) systems is one of the best methodologies to study the neutron star masses distribution. Here we report the discovery of a double neutron…
FAST Pulsar Database: II. Scattering profiles of 149 Pulsars
W. C. Jing, J. L. Han, C. Wang +10
The turbulent ionized interstellar medium diffracts radio waves and makes them propagate in multiple paths. The pulse-broadening observed at low frequencies results from the scatte…
A pulsar-helium star compact binary system formed by common envelope evolution
Z. L. Yang, J. L. Han, D. J. Zhou +33
A stellar common envelope occurs in a binary system when the atmosphere of an evolving star expands to encompass an orbiting companion object. Such systems are predicted to evolve…
Bright bursts with sub-millisecond structures of FRB 20230607A in a highly magnetized environment
DeJiang Zhou, J. L. Han, Bing Zhang +19
We report the observations of a repeating FRB 20230607A for 15.6 hours spanning 16 months using the Five-hundred-meter Aperture Spherical Radio Telescope (FAST) with the detection…
The FAST Galactic Plane Pulsar Snapshot Survey: VII. Six millisecond pulsars in compact orbits with massive white dwarf companions
Z. L. Yang, J. L. Han, T. Wang +12
Binary millisecond pulsars with a massive white dwarf (WD) companion are intermediate-mass binary pulsars (IMBPs). They are formed via the Case BB Roche-lobe overflow evolution cha…
The FAST Galactic Plane Pulsar Snapshot survey: VIII. 116 binary pulsars
P. F. Wang, J. L. Han, Z. L. Yang +12
Finding pulsars in binaries are important for measurements of the masses of neutron stars, for tests of gravity theories, and for studies of star evolution. We are carrying out the…
The FAST Galactic Plane Pulsar Snapshot survey: VI. The discovery of 473 new pulsars
J. L. Han, D. J. Zhou, C. Wang +13
The Five-hundred-meter Aperture Spherical radio Telescope (FAST) is the most sensitive telescope at the -band (1.0-1.5 GHz) and has been used to carry out the FAST Galactic Plan…
Searching radio signals from two magnetars and a high-magnetic field pulsar and the serendipitous discovery of a new radio pulsar PSR J1935+2200
Lang Xie, J. L. Han, Z. L. Yang +8
Magnetars are slowly rotating, highly magnetized young neutron stars that can show transient radio phenomena for radio pulses and fast radio bursts. We conducted radio observations…
Sudden polarization angle jumps of the repeating fast radio burst FRB 20201124A
J. R. Niu, W. Y. Wang, J. C. Jiang +41
We report the first detection of polarization angle (PA) orthogonal jumps, a phenomenon previously only observed from radio pulsars, from a fast radio burst (FRB) source FRB 202011…
The FAST Galactic Plane Pulsar Snapshot Survey -- V. PSR J1901+0658 in a double neutron star system
W. Q. Su, J. L. Han, Z. L. Yang +13
Double neutron star (DNS) systems offer excellent opportunities to test gravity theories. We report the timing results of PSR J1901+0658, the first pulsar discovered in the FAST Ga…
Individual subpulses of PSR B1916+14 and their polarization properties
Tao Wang, C. Wang, J. L. Han +4
Individual subpulses of pulsars are regarded as the basic emission components, providing invaluable information to understand the radio emission process in the pulsar magnetosphere…
PSR J1953+1844 probably being the descendant of an Ultra-compact X-ray binary
Z. L. Yang, J. L. Han, W. C. Jing +1
PSR J1953+1844 (i.e., M71E) is a millisecond pulsar (MSP)in a 53 minute binary orbit discovered by the Five-hundred-meter Aperture Spherical radio Telescope. The mass function from…
The FAST Galactic Plane Pulsar Snapshot survey: IV. Discovery of five fast radio bursts
D. J. Zhou, J. L. Han, W. C. Jing +8
We report five new fast radio bursts (FRBs) discovered from the Galactic Plane Pulsar Snapshot (GPPS) survey by the Five-hundred-meter Aperture Spherical radio Telescope (FAST): FR…
FAST pulsar database: I. Polarization profiles of 682 pulsars
P. F. Wang, J. L. Han, J. Xu +6
Pulsar polarization profiles are very basic database for understanding the emission processes in pulsar magnetosphere. After careful polarization calibration of the 19-beam L-band…
Distance of PSR B0458+46 indicated by FAST HI absorption observations
W. C. Jing, J. L. Han, Tao Hong +6
The pulsar B0458+46 was previously believed to have a distance of about 1.3kpc and to be associated with a nearby supernova remnant, SNR HB9 (G160.9+2.6). We observe the neutral…
Strong and weak pulsar radio emission due to thunderstorms and raindrops of particles in the magnetosphere
X. Chen, Y. Yan, J. L. Han +14
Pulsars radiate radio signals when they rotate. However, some old pulsars often stop radiating for some periods. The underlying mechanism remains unknown, while the magnetosphere d…
The FAST Galactic Plane Pulsar Snapshot Survey: III. Timing results of 30 FAST-GPPS discovered pulsars
W. Q. Su, J. L. Han, P. F. Wang +14
Timing observations are crucial for determining the basic parameters of newly discovered pulsars. Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST) with the L-…
The FAST Galactic Plane Pulsar Snapshot Survey: II. Discovery of 76 Galactic rotating radio transients and their enigma
D. J. Zhou, J. L. Han, Jun Xu +15
We are carrying out the GPPS survey by using the FAST, the most sensitive systematic pulsar survey in the Galactic plane. In addition to about 500 pulsars already discovered throug…
FAST observations of an extremely active episode of FRB 20201124A: III. Polarimetry
Jin-Chen Jiang, Wei-Yang Wang, Heng Xu +26
As the third paper in the multiple-part series, we report the statistical properties of radio bursts detected from the repeating fast radio burst (FRB) source FRB 20201124A with th…
The FAST Galactic Plane Pulsar Snapshot survey: I. Project design and pulsar discoveries
J. L. Han, Chen Wang, P. F. Wang +34
Discovery of pulsars is one of the main goals for large radio telescopes. The Five-hundred-meter Aperture Spherical radio Telescope (FAST), that incorporates an L-band 19-beam rece…