Pulsar timing for the Fermi gamma-ray space telescope

Smith, D. A.; Guillemot, L.; Camilo, F.; Cognard, I.; Dumora, D.; Espinoza, C.; Freire, P. C.  C.; Gotthelf, E. V.; Harding, A. K.; Hobbs, G. B.; Johnston, S.; Kaspi, V. M.; Kramer, M.; Livingstone, M. A.; Lyne, A. G.; Manchester, R. N.; Marshall, F. E.; McLaughlin, M. A.; Noutsos, A.; Ransom, S. M.; Roberts, M. S.  E.; Romani, R. W.; Stappers, B. W.; Theureau, G.; Thompson, D. J.; Thorsett, S. E.; Wang, N.; Weltevrede, P.

doi:10.1051/0004-6361:200810285

Title: Pulsar timing for the Fermi gamma-ray space telescope

Abstract

Here, we describe a comprehensive pulsar monitoring campaign for the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope (formerly GLAST). The detection and study of pulsars in gamma rays give insights into the populations of neutron stars and supernova rates in the Galaxy, into particle acceleration mechanisms in neutron star magnetospheres, and into the “engines” driving pulsar wind nebulae. LAT's unprecedented sensitivity between 20 MeV and 300 GeV together with its 2.4 sr field-of-view makes detection of many gamma-ray pulsars likely, justifying the monitoring of over two hundred pulsars with large spin-down powers. To search for gamma-ray pulsations from most of these pulsars requires a set of phase-connected timing solutions spanning a year or more to properly align the sparse photon arrival times. We describe the choice of pulsars and the instruments involved in the campaign. Attention is paid to verifications of the LAT pulsar software, using for example giant radio pulses from the Crab and from PSR B1937+21 recorded at Nançay, and using X-ray data on PSR J0218+4232 from XMM-Newton. We demonstrate accuracy of the pulsar phase calculations at the microsecond level.

Authors:

Smith, D. A. ^[1]; Guillemot, L. ^[1]; Camilo, F. ^[2]; Cognard, I. ^[3]; Dumora, D. ^[1]; Espinoza, C. ^[4]; Freire, P. C. C. ^[5]; Gotthelf, E. V. ^[2]; Harding, A. K. ^[6]; Hobbs, G. B. ^[7]; Johnston, S. ^[7]; Kaspi, V. M. ^[8]; Kramer, M. ^[9]; Livingstone, M. A. ^[8]; Lyne, A. G. ^[9]; Manchester, R. N. ^[7]; Marshall, F. E. ^[6]; McLaughlin, M. A. ^[10]; Noutsos, A. ^[9]; Ransom, S. M. ^[11] more »

Univ. of Bordeaux, Gradignan (France). Centre d'etudes nucleaires de Bordeaux Gradignan, Centre National de la Recherche Scientifique, Inst. National de Physique Nucleaire et de Physique des Particules (CNRS/IN2P3)
Columbia Univ., New York, NY (United States). Columbia Astrophysics Lab.
Univ. of Orleans (France). Lab. of Physics and Chemistry of Environment and Space; Paris Observatory (France). Nancay radio telescope
Univ. of Manchester, Macclesfield (United Kingdom). Jodrell Bank Observatory
Arecibo Observatory (Puerto Rico)
NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States)
Commonwealth Scientific and Industrial Research Organisation (CSIRO), Epping, NSW (Australia). Australia Telescope National Facility
McGill Univ., Montreal, QC (Canada)
Univ. of Manchester, Macclesfield (United Kingdom). Jodrell Bank Observatory
West Virginia Univ., Morgantown, WV (United States). Dept. of Physics
National Radio Astronomy Observatory, Charlottesville, VA (United States)
Eureka Scientific, Inc., Oakland, CA (United States)
Stanford Univ., CA (United States). Dept. of Physics
Univ. of Orleans (France). Lab. of Physics and Chemistry of Environment and Space; Paris Observatory (France). Nancay radio telescope; Paris Observatory (France). GEPI
Univ. of California, Santa Cruz, CA (United States). Dept. of Astronomy & Astrophysics
National Astronomical Observatories-CAS, Urumqi (China)

Publication Date:: Mon Oct 27 00:00:00 EDT 2008

Research Org.:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1357321

Grant/Contract Number:: AC02-76SF00515

Resource Type:: Accepted Manuscript

Journal Name:: Astronomy and Astrophysics

Additional Journal Information:: Journal Volume: 492; Journal Issue: 3; Journal ID: ISSN 0004-6361

Publisher:: EDP Sciences

Country of Publication:: United States

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; pulsars; Gamma-rays; Ephemerides

Citation Formats


                    Smith, D. A., Guillemot, L., Camilo, F., Cognard, I., Dumora, D., Espinoza, C., Freire, P. C.  C., Gotthelf, E. V., Harding, A. K., Hobbs, G. B., Johnston, S., Kaspi, V. M., Kramer, M., Livingstone, M. A., Lyne, A. G., Manchester, R. N., Marshall, F. E., McLaughlin, M. A., Noutsos, A., Ransom, S. M., Roberts, M. S.  E., Romani, R. W., Stappers, B. W., Theureau, G., Thompson, D. J., Thorsett, S. E., Wang, N., and Weltevrede, P. Pulsar timing for the Fermi gamma-ray space telescope.  United States: N. p., 2008. 
Web.  doi:10.1051/0004-6361:200810285.

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                    Smith, D. A., Guillemot, L., Camilo, F., Cognard, I., Dumora, D., Espinoza, C., Freire, P. C.  C., Gotthelf, E. V., Harding, A. K., Hobbs, G. B., Johnston, S., Kaspi, V. M., Kramer, M., Livingstone, M. A., Lyne, A. G., Manchester, R. N., Marshall, F. E., McLaughlin, M. A., Noutsos, A., Ransom, S. M., Roberts, M. S.  E., Romani, R. W., Stappers, B. W., Theureau, G., Thompson, D. J., Thorsett, S. E., Wang, N., & Weltevrede, P. Pulsar timing for the Fermi gamma-ray space telescope.  United States.  https://doi.org/10.1051/0004-6361:200810285

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                    Smith, D. A., Guillemot, L., Camilo, F., Cognard, I., Dumora, D., Espinoza, C., Freire, P. C.  C., Gotthelf, E. V., Harding, A. K., Hobbs, G. B., Johnston, S., Kaspi, V. M., Kramer, M., Livingstone, M. A., Lyne, A. G., Manchester, R. N., Marshall, F. E., McLaughlin, M. A., Noutsos, A., Ransom, S. M., Roberts, M. S.  E., Romani, R. W., Stappers, B. W., Theureau, G., Thompson, D. J., Thorsett, S. E., Wang, N., and Weltevrede, P. Mon .  
"Pulsar timing for the Fermi gamma-ray space telescope".  United States.  https://doi.org/10.1051/0004-6361:200810285.  https://www.osti.gov/servlets/purl/1357321.

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@article{osti_1357321,

  title        = {Pulsar timing for the Fermi gamma-ray space telescope},

  author       = {Smith, D. A. and Guillemot, L. and Camilo, F. and Cognard, I. and Dumora, D. and Espinoza, C. and Freire, P. C.  C. and Gotthelf, E. V. and Harding, A. K. and Hobbs, G. B. and Johnston, S. and Kaspi, V. M. and Kramer, M. and Livingstone, M. A. and Lyne, A. G. and Manchester, R. N. and Marshall, F. E. and McLaughlin, M. A. and Noutsos, A. and Ransom, S. M. and Roberts, M. S.  E. and Romani, R. W. and Stappers, B. W. and Theureau, G. and Thompson, D. J. and Thorsett, S. E. and Wang, N. and Weltevrede, P.},

  abstractNote = {Here, we describe a comprehensive pulsar monitoring campaign for the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope (formerly GLAST). The detection and study of pulsars in gamma rays give insights into the populations of neutron stars and supernova rates in the Galaxy, into particle acceleration mechanisms in neutron star magnetospheres, and into the “engines” driving pulsar wind nebulae. LAT's unprecedented sensitivity between 20 MeV and 300 GeV together with its 2.4 sr field-of-view makes detection of many gamma-ray pulsars likely, justifying the monitoring of over two hundred pulsars with large spin-down powers. To search for gamma-ray pulsations from most of these pulsars requires a set of phase-connected timing solutions spanning a year or more to properly align the sparse photon arrival times. We describe the choice of pulsars and the instruments involved in the campaign. Attention is paid to verifications of the LAT pulsar software, using for example giant radio pulses from the Crab and from PSR B1937+21 recorded at Nançay, and using X-ray data on PSR J0218+4232 from XMM-Newton. We demonstrate accuracy of the pulsar phase calculations at the microsecond level.},

  doi          = {10.1051/0004-6361:200810285},

  journal      = {Astronomy and Astrophysics},

  number       = 3,

  volume       = 492,

  place        = {United States},

  year         = {Mon Oct 27 00:00:00 EDT 2008},

  month        = {Mon Oct 27 00:00:00 EDT 2008}

}

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Astronomy & Astrophysics, Vol. 622
DOI: 10.1051/0004-6361/201834555

DISCOVERY OF PULSED γ-RAYS FROM THE YOUNG RADIO PULSAR PSR J1028–5819 WITH THE FERMI LARGE AREA TELESCOPE
journal, March 2009

Abdo, A. A.; Ackermann, M.; Atwood, W. B.
The Astrophysical Journal, Vol. 695, Issue 1
DOI: 10.1088/0004-637x/695/1/l72

FERMI LARGE AREA TELESCOPE OBSERVATIONS OF THE VELA PULSAR
journal, April 2009

Abdo, A. A.; Ackermann, M.; Atwood, W. B.
The Astrophysical Journal, Vol. 696, Issue 2
DOI: 10.1088/0004-637x/696/2/1084

FERMI /LARGE AREA TELESCOPE BRIGHT GAMMA-RAY SOURCE LIST
journal, June 2009

Abdo, A. A.; Ackermann, M.; Ajello, M.
The Astrophysical Journal Supplement Series, Vol. 183, Issue 1
DOI: 10.1088/0067-0049/183/1/46

FERMI LARGE AREA TELESCOPE FIRST SOURCE CATALOG
journal, May 2010

Abdo, A. A.; Ackermann, M.; Ajello, M.
The Astrophysical Journal Supplement Series, Vol. 188, Issue 2
DOI: 10.1088/0067-0049/188/2/405

FERMI LARGE AREA TELESCOPE SECOND SOURCE CATALOG
journal, March 2012

Nolan, P. L.; Abdo, A. A.; Ackermann, M.
The Astrophysical Journal Supplement Series, Vol. 199, Issue 2
DOI: 10.1088/0067-0049/199/2/31

THE FERMI LARGE AREA TELESCOPE ON ORBIT: EVENT CLASSIFICATION, INSTRUMENT RESPONSE FUNCTIONS, AND CALIBRATION
journal, October 2012

Ackermann, M.; Ajello, M.; Albert, A.
The Astrophysical Journal Supplement Series, Vol. 203, Issue 1
DOI: 10.1088/0067-0049/203/1/4

THE SECOND FERMI LARGE AREA TELESCOPE CATALOG OF GAMMA-RAY PULSARS
journal, September 2013

Abdo, A. A.; Ajello, M.; Allafort, A.
The Astrophysical Journal Supplement Series, Vol. 208, Issue 2
DOI: 10.1088/0067-0049/208/2/17

CHASING THE IDENTIFICATION OF ASCA GALACTIC OBJECTS (ChIcAGO): AN X-RAY SURVEY OF UNIDENTIFIED SOURCES IN THE GALACTIC PLANE. I. SOURCE SAMPLE AND INITIAL RESULTS
journal, April 2014

Anderson, Gemma E.; Gaensler, B. M.; Kaplan, David L.
The Astrophysical Journal Supplement Series, Vol. 212, Issue 1
DOI: 10.1088/0067-0049/212/1/13

Detection of 107 glitches in 36 southern pulsars
journal, December 2012

Yu, M.; Manchester, R. N.; Hobbs, G.
Monthly Notices of the Royal Astronomical Society, Vol. 429, Issue 1
DOI: 10.1093/mnras/sts366

Multiwavelength observations of the binary system PSR B1259−63/LS 2883 around the 2010–2011 periastron passage
journal, January 2014

Chernyakova, M.; Abdo, A. A.; Neronov, A.
Monthly Notices of the Royal Astronomical Society, Vol. 439, Issue 1
DOI: 10.1093/mnras/stu021

Diagnostics of timing noise in middle-aged pulsars
journal, June 2019

Namkham, Nakornping; Jaroenjittichai, Phrudth; Johnston, Simon
Monthly Notices of the Royal Astronomical Society, Vol. 487, Issue 4
DOI: 10.1093/mnras/stz1671

Searching a Thousand Radio Pulsars for Gamma-Ray Emission
journal, January 2019

Smith, D. A.; Bruel, P.; Cognard, I.
The Astrophysical Journal, Vol. 871, Issue 1
DOI: 10.3847/1538-4357/aaf57d

NuSTAR Observations of G11.2–0.3
journal, January 2020

Madsen, K. K.; Fryer, C. L.; Grefenstette, B. W.
The Astrophysical Journal, Vol. 889, Issue 1
DOI: 10.3847/1538-4357/ab54ca

The Second Fermi Large area Telescope Catalog of Gamma-Ray Pulsars
text, January 2013

Abdo, A. A.; Ajello, M.; Allafort, A.
Deutsches Elektronen-Synchrotron, DESY, Hamburg
DOI: 10.3204/desy-2014-00864

Fermi Large Area Telescope Bright Gamma-ray Source List
text, January 2009

Abdo, A. A.
arXiv
DOI: 10.48550/arxiv.0902.1340

Detection of 107 glitches in 36 southern pulsars
text, January 2012

Yu, M.; Manchester, R. N.; Hobbs, G.
arXiv
DOI: 10.48550/arxiv.1211.2035

Multi-wavelength observations of the binary system PSR B1259-63/LS 2883 around the 2010-2011 periastron passage
text, January 2014

Chernyakova, M.; Abdo, A. A.; Neronov, A.
arXiv
DOI: 10.48550/arxiv.1401.1386

Searching a Thousand Radio Pulsars for Gamma-ray Emission
text, January 2018

Smith, David A.; Bruel, Philippe; Cognard, Ismaël
arXiv
DOI: 10.48550/arxiv.1812.00719

Extending the Event-weighted Pulsation Search to Very Faint Gamma-ray Sources
text, January 2018

Bruel, P.
arXiv
DOI: 10.48550/arxiv.1812.06681

Pulsars: implications from Fermi LAT observations and future prospects
conference, December 2017

Guillemot, Lucas
Proceedings of 7th International Fermi Symposium — PoS(IFS2017)
DOI: 10.22323/1.312.0002

Pulsar Observations with the Fermi Large Area Telescope
preprint, January 2010

Parent, Damien
arXiv
DOI: 10.48550/arxiv.1002.4027

Likelihood Methods for the Detection and Characterization of Gamma-ray Pulsars with the Fermi Large Area Telescope
preprint, January 2011

Kerr, Matthew
arXiv
DOI: 10.48550/arxiv.1101.6072

Using the pulsar timing software package, TEMPO2
preprint, January 2012

Hobbs, G.
arXiv
DOI: 10.48550/arxiv.1205.6273

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Title: Pulsar timing for the Fermi gamma-ray space telescope

Abstract

Citation Formats

The Magnetar XTE J1810−197: Variations in Torque, Radio Flux Density, and Pulse Profile Morphology journal, July 2007

Pulsar Timing Noise journal, October 2006

A Refined Ephemeris and Phase‐resolved X‐Ray Spectroscopy of the Geminga Pulsar journal, November 2005

The Next Geminga: Search for Radio and X‐Ray Pulsations from the Neutron Star Identified with 3EG J1835+5918 journal, October 2007

A Survey for Millisecond Pulsars journal, October 1996

The Geminga fraction journal, April 2007

XMM-Newton spectral and timing observations of the millisecond pulsar PSR J0218+4232 journal, March 2004

The Gamma‐Ray Pulsar Population journal, August 2000

Discovery of Short-Period Binary Millisecond Pulsars in Four Globular Clusters journal, February 2001

Theory of pulsars - Polar caps, sparks, and coherent microwave radiation journal, February 1975

The Parkes Multibeam Pulsar Survey – II. Discovery and timing of 120 pulsars journal, September 2002

The Parkes multi-beam pulsar survey - I. Observing and data analysis systems, discovery and timing of 100 pulsars journal, November 2001

An outer gap model of high-energy emission from rotation-powered pulsars journal, December 1994

Role of Beam Geometry in Population Statistics and Pulse Profiles of Radio and Gamma‐Ray Pulsars journal, April 2004

23 years of Crab pulsar rotational history journal, December 1993

PSR J1909-3744: A Binary Millisecond Pulsar with a Very Small Duty Cycle journal, December 2003

Energetic radiation from rapidly spinning pulsars. I - Outer magnetosphere gaps. II - VELA and Crab journal, January 1986

A Braking Index for the Young, High Magnetic Field, Rotation‐Powered Pulsar in Kesteven 75 journal, August 2006

A test of general relativity from the three-dimensional orbital geometry of a binary pulsar journal, July 2001

Measurement of the Crab Flux above 60 GeV with the CELESTE Cerenkov Telescope journal, February 2002

Pulsar timing. III - Timing noise of 50 pulsars journal, July 1980

Energetic Radiation from Rapidly Spinning Pulsars. II. VELA and Crab journal, January 1986

The Australia Telescope National Facility Pulsar Catalogue journal, April 2005

TeV Gamma-Ray Sources from a Survey of the Galactic Plane with Milagro journal, July 2007

A 15 years monitoring program at 408 MHz journal, November 1996

Further experimental tests of relativistic gravity using the binary pulsar PSR 1913 + 16 journal, October 1989

Timing behavior of 96 radio pulsars journal, February 1994

Pulsar timing at Urumqi Astronomical Observatory: observing system and results journal, December 2001

A Time-differencing Technique for Detecting Radio-quiet Gamma-Ray Pulsars journal, November 2006

TEMPO2, a new pulsar timing package - II. The timing model and precision estimates journal, November 2006

Green Bank Telescope Studies of Giant Pulses from Millisecond Pulsars journal, April 2006

The 69 Millisecond Radio Pulsar near the Supernova Remnant RCW 103 journal, August 1998

Multifrequency studies of the enigmatic gamma-ray source 3EG J1835+5918 journal, June 2001

tempo2, a new pulsar-timing package - I. An overview: tempo2, a new pulsar-timing package - I. Overview journal, May 2006

Simultaneous absolute timing of the Crab pulsar at radio and optical wavelengths journal, June 2008

Interstellar propagation effects and the precision of pulsar timing journal, November 1990

Kinematics of the local universe: XII. 21-cm line measurements of 586 galaxies with the new Nançay receiver journal, January 2005

Galactic Populations of Radio and Gamma‐Ray Pulsars in the Polar Cap Model journal, January 2002

Multifrequency Observations of Giant Radio Pulses from the Millisecond Pulsar B1937+21 journal, May 2000

Giant Radio Pulses from a Millisecond Pulsar journal, February 1996

Avalanche Dynamics of Radio Pulsar Glitches journal, January 2008

Observations of 20 Millisecond Pulsars in 47 Tucanae at 20 Centimeters journal, June 2000

Energy dependent γ -ray morphology in the pulsar wind nebula HESS J1825–137 journal, September 2006

The Third EGRET Catalog of High‐Energy Gamma‐Ray Sources journal, July 1999

An Upper Limit on the Power-Law Index of the Radio Spectrum of Geminga journal, February 1999

Gamma Radiation from PSR B1055−52 journal, May 1999

A Search for Radio‐Quiet Gamma‐Ray Pulsars in EGRET Data Using a Time‐Differencing Technique journal, June 2008

The Parkes Multibeam Pulsar Survey - III. Young pulsars and the discovery and timing of 200 pulsars journal, July 2003

High‐Resolution Spatial and Timing Observations of Millisecond Pulsar PSR J0218+4232 with Chandra journal, October 2002

Prospects for high energy studies of pulsars with the AGILE γ-ray telescope journal, January 2004

The New Northern Cross Pulsar System: Four Years of Pulsar Timing Observations journal, September 1996

A Model of Pulsars journal, March 1971

Precision Timing of PSR J0437−4715: An Accurate Pulsar Distance, a High Pulsar Mass, and a Limit on the Variation of Newton’s Gravitational Constant journal, May 2008

Dispersion measure variations and their effect on precision pulsar timing journal, June 2007

Enhanced Optical Emission During Crab Giant Radio Pulses journal, July 2003

Redundant publication journal, December 1999

Preface journal, January 2001

Gamma Ray Pulsars book, January 2004

Redundant Publication? journal, October 1992

Gamma-ray pulsars journal, June 1995

The Geminga fraction book, January 2007

Gamma-Ray Pulsars book, January 2001

Redundant publication journal, February 1994

TeV Gamma-Ray Sources from a Survey of the Galactic Plane with Milagro text, January 2007

Precision timing of PSR J0437-4715: an accurate pulsar distance, a high pulsar mass and a limit on the variation of Newton's gravitational constant text, January 2008

Simultaneous Absolute Timing of the Crab Pulsar at Radio and Optical Wavelengths text, January 2008

A test of general relativity from the three-dimensional orbital geometry of a binary pulsar text, January 2001

Galactic populations of radio and gamma-ray pulsars in the polar cap model text, January 2001

Enhanced Optical Emission During Crab Giant Radio Pulses text, January 2003

The role of beam geometry in population statistics and pulse profiles of radio and gamma-ray pulsars text, January 2003

Energy dependent gamma-ray morphology in the Pulsar wind nebula HESSJ1825-137 text, January 2006

The magnetar XTE J1810-197: variations in torque, radio flux density and pulse profile morphology text, January 2006

An Outer Gap Model of High-Energy Emission from Rotation-Powered Pulsars text, January 1994

Multifrequency Observations of Giant Radio Pulses from the Millisecond Pulsar B1937+21 text, January 1999

The Gamma Ray Pulsar Population text, January 1999

Extending the event-weighted pulsation search to very faint gamma-ray sources journal, February 2019

DISCOVERY OF PULSED γ-RAYS FROM THE YOUNG RADIO PULSAR PSR J1028–5819 WITH THE FERMI LARGE AREA TELESCOPE journal, March 2009

The Magnetar XTE J1810−197: Variations in Torque, Radio Flux Density, and Pulse Profile Morphology
journal, July 2007

Pulsar Timing Noise
journal, October 2006

A Refined Ephemeris and Phase‐resolved X‐Ray Spectroscopy of the Geminga Pulsar
journal, November 2005

The Next Geminga: Search for Radio and X‐Ray Pulsations from the Neutron Star Identified with 3EG J1835+5918
journal, October 2007

A Survey for Millisecond Pulsars
journal, October 1996

The Geminga fraction
journal, April 2007

XMM-Newton spectral and timing observations of the millisecond pulsar PSR J0218+4232
journal, March 2004

The Gamma‐Ray Pulsar Population
journal, August 2000

Discovery of Short-Period Binary Millisecond Pulsars in Four Globular Clusters
journal, February 2001

Theory of pulsars - Polar caps, sparks, and coherent microwave radiation
journal, February 1975

The Parkes Multibeam Pulsar Survey – II. Discovery and timing of 120 pulsars
journal, September 2002

The Parkes multi-beam pulsar survey - I. Observing and data analysis systems, discovery and timing of 100 pulsars
journal, November 2001

An outer gap model of high-energy emission from rotation-powered pulsars
journal, December 1994

Role of Beam Geometry in Population Statistics and Pulse Profiles of Radio and Gamma‐Ray Pulsars
journal, April 2004

23 years of Crab pulsar rotational history
journal, December 1993

PSR J1909-3744: A Binary Millisecond Pulsar with a Very Small Duty Cycle
journal, December 2003

Energetic radiation from rapidly spinning pulsars. I - Outer magnetosphere gaps. II - VELA and Crab
journal, January 1986

A Braking Index for the Young, High Magnetic Field, Rotation‐Powered Pulsar in Kesteven 75
journal, August 2006

A test of general relativity from the three-dimensional orbital geometry of a binary pulsar
journal, July 2001

Measurement of the Crab Flux above 60 GeV with the CELESTE Cerenkov Telescope
journal, February 2002

Pulsar timing. III - Timing noise of 50 pulsars
journal, July 1980

Energetic Radiation from Rapidly Spinning Pulsars. II. VELA and Crab
journal, January 1986

The Australia Telescope National Facility Pulsar Catalogue
journal, April 2005

TeV Gamma-Ray Sources from a Survey of the Galactic Plane with Milagro
journal, July 2007

A 15 years monitoring program at 408 MHz
journal, November 1996

Further experimental tests of relativistic gravity using the binary pulsar PSR 1913 + 16
journal, October 1989

Timing behavior of 96 radio pulsars
journal, February 1994

Pulsar timing at Urumqi Astronomical Observatory: observing system and results
journal, December 2001

A Time-differencing Technique for Detecting Radio-quiet Gamma-Ray Pulsars
journal, November 2006

TEMPO2, a new pulsar timing package - II. The timing model and precision estimates
journal, November 2006

Green Bank Telescope Studies of Giant Pulses from Millisecond Pulsars
journal, April 2006

The 69 Millisecond Radio Pulsar near the Supernova Remnant RCW 103
journal, August 1998

Multifrequency studies of the enigmatic gamma-ray source 3EG J1835+5918
journal, June 2001

tempo2, a new pulsar-timing package - I. An overview: tempo2, a new pulsar-timing package - I. Overview
journal, May 2006

Simultaneous absolute timing of the Crab pulsar at radio and optical wavelengths
journal, June 2008

Interstellar propagation effects and the precision of pulsar timing
journal, November 1990

Kinematics of the local universe: XII. 21-cm line measurements of 586 galaxies with the new Nançay receiver
journal, January 2005

Galactic Populations of Radio and Gamma‐Ray Pulsars in the Polar Cap Model
journal, January 2002

Multifrequency Observations of Giant Radio Pulses from the Millisecond Pulsar B1937+21
journal, May 2000

Giant Radio Pulses from a Millisecond Pulsar
journal, February 1996

Avalanche Dynamics of Radio Pulsar Glitches
journal, January 2008

Observations of 20 Millisecond Pulsars in 47 Tucanae at 20 Centimeters
journal, June 2000

Energy dependent γ -ray morphology in the pulsar wind nebula HESS J1825–137
journal, September 2006

The Third EGRET Catalog of High‐Energy Gamma‐Ray Sources
journal, July 1999

An Upper Limit on the Power-Law Index of the Radio Spectrum of Geminga
journal, February 1999

Gamma Radiation from PSR B1055−52
journal, May 1999

A Search for Radio‐Quiet Gamma‐Ray Pulsars in EGRET Data Using a Time‐Differencing Technique
journal, June 2008

The Parkes Multibeam Pulsar Survey - III. Young pulsars and the discovery and timing of 200 pulsars
journal, July 2003

High‐Resolution Spatial and Timing Observations of Millisecond Pulsar PSR J0218+4232 with Chandra
journal, October 2002

Prospects for high energy studies of pulsars with the AGILE γ-ray telescope
journal, January 2004

The New Northern Cross Pulsar System: Four Years of Pulsar Timing Observations
journal, September 1996

A Model of Pulsars
journal, March 1971

Precision Timing of PSR J0437−4715: An Accurate Pulsar Distance, a High Pulsar Mass, and a Limit on the Variation of Newton’s Gravitational Constant
journal, May 2008

Dispersion measure variations and their effect on precision pulsar timing
journal, June 2007

Enhanced Optical Emission During Crab Giant Radio Pulses
journal, July 2003

Redundant publication
journal, December 1999

Preface
journal, January 2001

Gamma Ray Pulsars
book, January 2004

Redundant Publication?
journal, October 1992

Gamma-ray pulsars
journal, June 1995

The Geminga fraction
book, January 2007

Gamma-Ray Pulsars
book, January 2001

Redundant publication
journal, February 1994

TeV Gamma-Ray Sources from a Survey of the Galactic Plane with Milagro
text, January 2007

Precision timing of PSR J0437-4715: an accurate pulsar distance, a high pulsar mass and a limit on the variation of Newton's gravitational constant
text, January 2008

Simultaneous Absolute Timing of the Crab Pulsar at Radio and Optical Wavelengths
text, January 2008

A test of general relativity from the three-dimensional orbital geometry of a binary pulsar
text, January 2001

Galactic populations of radio and gamma-ray pulsars in the polar cap model
text, January 2001

Enhanced Optical Emission During Crab Giant Radio Pulses
text, January 2003

The role of beam geometry in population statistics and pulse profiles of radio and gamma-ray pulsars
text, January 2003

Energy dependent gamma-ray morphology in the Pulsar wind nebula HESSJ1825-137
text, January 2006

The magnetar XTE J1810-197: variations in torque, radio flux density and pulse profile morphology
text, January 2006

An Outer Gap Model of High-Energy Emission from Rotation-Powered Pulsars
text, January 1994

Multifrequency Observations of Giant Radio Pulses from the Millisecond Pulsar B1937+21
text, January 1999

The Gamma Ray Pulsar Population
text, January 1999

Extending the event-weighted pulsation search to very faint gamma-ray sources
journal, February 2019

DISCOVERY OF PULSED γ-RAYS FROM THE YOUNG RADIO PULSAR PSR J1028–5819 WITH THE FERMI LARGE AREA TELESCOPE
journal, March 2009

FERMI LARGE AREA TELESCOPE OBSERVATIONS OF THE VELA PULSAR
journal, April 2009

FERMI /LARGE AREA TELESCOPE BRIGHT GAMMA-RAY SOURCE LIST
journal, June 2009

FERMI LARGE AREA TELESCOPE FIRST SOURCE CATALOG
journal, May 2010