108 citations · 307 across the 22 of their papers we have counts for
23 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 III. Snapshots of nulling, mode-changing and subpulse modulation of 374 pulsars
Yi Yan, J. L. Han, J. Xu +8
Based on sensitive L-band (1.0 to 1.5 GHz) observations of pulsars using the Five-hundred-meter Aperture Spherical radio Telescope (FAST), we analyzed single-pulse sequences from F…
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…
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…
Polarized radio emission of RRAT J1854+0306
Qi Guo, Minzhi Kong, P. F. Wang +2
Polarized radio emission of RRAT J1854+0306 is investigated with single pulses using Five-hundred-meter-Aperture Spherical Telescope. Its emission is characterized by nulls, narrow…
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…
Dwarf pulses of 10 pulsars detected by FAST
Yi Yan, J. L. Han, D. J. Zhou +5
How pulsars radiate is a long-standing problem. Detailed polarization measurements of individual pulses shed light on currently unknown emission processes. Recently, based on super…
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…
Quasi-regular variations of subpulse drifting for PSR J1857+0057
Yi Yan, J. L. Han, C. Wang +1
During observations of the Galactic Plane Pulsar Snapshot (GPPS) survey by the Five-hundred-meter Aperture Spherical radio Telescope (FAST), varying subpulses drifting of PSR J1857…
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…
Distinct polarization properties for two emission states of four pulsars
Yi Yan, P. F. Wang, J. L. Han
Four pulsars, PSRs J1838+1523, J1901+0510, J1909+0007 and J1929+1844, are found to exhibit bright and weak emission states from sensitive FAST observations. New FAST observations h…
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-…
Jiamusi pulsar observations: IV. The core-weak pattern of PSR B0329+54
Tao Wang, J. L. Han, C. Wang +2
The bright pulsar PSR B0329+54 was previously known for many years to have two emission modes. Sensitive observations of individual pulses reveal that the central component of puls…
Jiamusi Pulsar Observations: II. Scintillations of 10 Pulsars
P. F. Wang, J. L. Han, Lei Han +6
Context. Pulsars scintillate. Dynamic spectra show brightness variation of pulsars in the time and frequency domain. Secondary spectra demonstrate the distribution of fluctuation p…
Highly polarized components of integrated pulse profiles
P. F. Wang, J. L. Han
Highly polarized components of pulse profiles are investigated by analyzing observational data and simulating the emission processes. The highly polarized components appear at the…
Constraining the Braking Indices of Magnetars
Z. F. Gao, X. D. Li, N. Wang +3
Due to the lack of long term pulsed emission in quiescence and the strong timing noise, it is impossible to directly measure the braking index of a magnetar. Based on the estim…
On frequency dependence of pulsar linear polarization
P. F. Wang, C. Wang, J. L. Han
Frequency dependence of pulsar linear polarization is investigated by simulations of emission and propagation processes. Linearly polarized waves are generated through curvature ra…
Polarized Curvature Radiation in Pulsar Magnetosphere
P. F. Wang, C. Wang, J. L. Han
The propagation of polarized emission in pulsar magnetosphere is investigated in this paper. The polarized waves are generated through curvature radiation from the relativistic par…
Modeling the frequency-dependence of radio beams for cone-dominant pulsars
P. F. Wang, J. L. Han, C. Wang
Beam radii for cone-dominant pulsars follow a power-law relation with frequency, , which has not yet well explained in previous works. We study t…
Curvature Radiation in Rotating Pulsar Magnetosphere
P. F. Wang, C. Wang, J. L. Han
We consider the curvature emission properties from relativistic particles streaming along magnetic field lines and co-rotating with pulsar magnetosphere. The co-rotation affects th…
Lunar occultations of 184 stellar sources in two crowded regions towards the galactic bulge
A. Richichi, W. P. Chen, O. Fors +1
Lunar occultations (LO) provide a unique combination of high angular resolution and sensitivity at near-infrared wavelenghts. At the ESO Very Large Telescope, it is possible to ach…