3.9k citations · 36.1k across the 290 of their papers we have counts for
24 papers · 1 filter
Chandra X-ray Detection of the High-Magnetic-Field Radio Pulsar PSR J1718-3718
V. M. Kaspi, M. A. McLaughlin
We report on the serendipitous X-ray detection, using the Chandra X-ray Observatory, of the radio pulsar J1718-3718. This pulsar has one of the highest inferred surface dipole magn…
Correlated Infrared and X-ray Flux Changes Following the 2002 June Outburst of the Anomalous X-ray Pulsar 1E 2259+586
C. R. Tam, V. M. Kaspi, M. H. van Kerkwijk +1
We present the results of a near-infrared monitoring program of the Anomalous X-ray Pulsar 1E 2259+586, performed at the Gemini Observatory. This program began three days after the…
21 years of Timing PSR B1509-58
Margaret A. Livingstone, Victoria M. Kaspi, Fotis P. Gavriil +1
We present an updated timing solution for the young, energetic pulsar PSR B1509-58 based on 21.3 years of radio timing data and 7.6 years of X-ray timing data. No glitches have occ…
An XTE Archival Search for Coherent X-ray Pulsations in LMXB 4U 1820-30
Rim Dib, Scott M. Ransom, Paul S. Ray +2
As part of a large-scale search for coherent pulsations from LMXBs in the RXTE archive, we have completed a detailed series of searches for coherent pulsations of 4U 1820-30 -- an…
The Parkes multibeam pulsar survey: IV. Discovery of 180 pulsars and parameters for 281 previously known pulsars
G. Hobbs, A. Faulkner, I. H. Stairs +12
The Parkes multibeam pulsar survey has led to the discovery of more than 700 pulsars. In this paper, we provide timing solutions, flux densities and pulse profiles for 180 of these…
Fluctuation and morphological properties of the pulsars in J0737--3039 system
R. Ramachandran, D. C. Backer, P. Demorest +2
We describe the morphological and fluctuation properties of the pulsars in the double neutron star system, PSR J0737--3039. Pulsar B is seen in almost all orbital phases, except in…
GBT Exploratory Time Observations of the Double-Pulsar System PSR J0737-3039
S. Ransom, P. Demorest, V. Kaspi +2
We report results from Exploratory Time observations of the double-pulsar system PSR J0737-3039 using the Green Bank Telescope (GBT). The large gain of the GBT, the diversity of th…
A 20-cm Survey for Pulsars in Globular Clusters using the GBT and Arecibo
Scott Ransom, Jason Hessels, Ingrid Stairs +3
We have been conducting deep searches at ~20 cm of >30 globular clusters (GCs) using the 305-m Arecibo telescope in Puerto Rico and the 100-m Green Bank telescope (GBT) in West Vir…
Three New Binary Pulsars Discovered With Parkes
Jason Hessels, Scott Ransom, Mallory Roberts +4
We present three new binary pulsars discovered during a search for pulsations in 56 unidentified mid-latitude EGRET gamma-ray error boxes with the Parkes multibeam receiver. Timing…
Probing Relativistic Winds: The case of PSRJ07370-3039 A & B
Jonathan Arons, D. C. Backer, Anatoly Spitkovsky +1
We propose synchrotron absorption in a magnetosheath forming a cocoon around the magnetosphere of pulsar B to be the origin of the eclipse phenomena seen in the recently discovered…
Green Bank Telescope Measurement of the Systemic Velocity of the Double Pulsar Binary J0737-3039 and Implications for its Formation
S. M. Ransom, V. M. Kaspi, R. Ramachandran +5
We report on the measurement at 820- and 1400-MHz of orbital modulation of the diffractive scintillation timescale from pulsar A in the double-pulsar system J0737-3039 using the Gr…
Anomalous X-ray Pulsar 1E 1048.1-5937: Pulsed Flux Flares and Large Torque Variations
Fotis P. Gavriil, Victoria M. Kaspi
We report on continued monitoring of the Anomalous X-ray pulsar (AXP) 1E 1048.1-5937 using the Rossi X-ray Timing Explorer. We confirm that this pulsar has exhibited significant pu…
Observations of PSR J2021+3651 and its X-ray Pulsar Wind Nebula G75.2+0.1
J. W. T. Hessels, M. S. E. Roberts, S. M. Ransom +5
We present results from X-ray and radio observations of the recently discovered young Vela-like pulsar PSR J2021+3651, which is coincident with the EGRET gamma-ray source GeV 2020+…
The X-ray Bursts from the Magnetar Candidate 1E 2259+586
Fotis P. Gavriil, Victoria M. Kaspi, Peter M. Woods
We present a statistical analysis of the X-ray bursts observed from the 2002 June 18 outburst of the Anomalous X-ray Pulsar (AXP) 1E 2259+586, observed with the Proportional Counte…
PSR J2021+3651: A New Gamma-Ray Pulsar Candidate
Mallory S. E. Roberts, Jason W. T. Hessels, Scott M. Ransom +4
The COS B high energy gamma-ray source 2CG 075+00, also known as GeV J2020+3658 or 3EG J2021+3716, has avoided identification with a low energy counterpart for over twenty years. W…
A 20 cm Search for Pulsars in Globular Clusters with Arecibo and the GBT
Jason W. T. Hessels, Scott M. Ransom, Ingrid H. Stairs +4
We are conducting deep searches for radio pulsations at L-band (~ 20cm) towards more than 30 globular clusters using the 305m Arecibo telescope in Puerto Rico and the 100m Green Ba…
Long Term Timing Observations of PSR B1509-58
Margaret A. Livingstone, Victoria M. Kaspi, Richard N. Manchester
We present an updated phase-coherent timing solution for the young, energetic pulsar PSR B1509-58 for twenty years of data. Using a partially phase-coherent timing analysis, we sho…
(Anomalous) X-ray Pulsars
V. M. Kaspi, F. P. Gavriil
We review the observational properties of the class of young neutron stars known as "anomalous X-ray pulsars," emphasizing the tremendous progress that has been made in recent year…
Orientations of Spin and Magnetic Dipole Axes of Pulsars in the J0737--3039 Binary Based on Polarimetry Observations at the Green Bank Telescope
P. Demorest, R. Ramachandran, D. C. Backer +4
We report here the first polarimetric measurements of the pulsars in the J0737-3039 binary neutron star system using the Green Bank Telescope. We conclude both that the primary sta…
Isolated Neutron Stars
V. M. Kaspi, M. S. E. Roberts, A. K. Harding
This is a review of X-ray emission from all types of isolated neutron stars, with an emphasis on rotation-powered pulsars. Topics include magnetospheric and thermal emission, as we…
X-Ray Timing of the Young Pulsar in 3C 58
Scott Ransom, Fernando Camilo, Victoria Kaspi +4
PSR J0205+6449 is a young pulsar in the Crab-like pulsar wind nebula 3C 58 which is thought to be a result of the historical supernova SN1181 CE. The 65.7-ms pulsar is the second m…
New Pulsars Coincident With Unidentified Gamma-Ray Sources
Mallory S. E. Roberts, Scott M. Ransom, Jason Hessels +4
We present the results of radio searches for pulsars within unidentified EGRET source error boxes. Using the Parkes multibeam system, we have surveyed 56 sources at Galactic latitu…
The Pulsed Spectra of Two Extraordinary Pulsars
Mallory S. E. Roberts, Scott M. Ransom, Fotis Gavriil +5
We report on X-ray monitoring of two isolated pulsars within the same RXTE field of view. PSR J1811-1925 in the young supernova remnant G11.2-0.3 has a nearly sinusoidal pulse prof…
Green Bank Telescope Observations of the Eclipse of Pulsar "A" in the Double Pulsar Binary PSR J0737-3039
V. M. Kaspi, S. M. Ransom, D. C. Backer +4
We report on the first Green Bank Telescope observations at 427, 820 and 1400 MHz of the newly discovered, highly inclined and relativistic double pulsar binary. We focus on the br…