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Title: Discovery of the millisecond pulsar PSR J2043+1711 in a Fermi source with the Nançay Radio Telescope

Journal Article · · Monthly Notices of the Royal Astronomical Society
 [1];  [1];  [2];  [3];  [4];  [4];  [1];  [5];  [6];  [6];  [7];  [8];  [9];  [10];  [11];  [12];  [13];  [14];  [15];  [7] more »;  [2] « less
  1. Max Planck Inst. for Radio Astronomy, Bonn (Germany)
  2. Lab. of Physics and Chemistry of Environment and Space (LPCE-CNRS) and Astronomical Station of Nancay (France)
  3. National Academy of Sciences, Washington, DC (United States). National Research Council Research Associate; Naval Research Lab. (NRL), Washington, DC (United States)
  4. Waseda Univ., Shinjuku (Japan). Research Inst. for Science and Engineering
  5. Columbia Univ., New York, NY (United States)
  6. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States)
  7. Univ. of Manchester (United Kingdom). Jodrell Bank Centre for Astrophysics
  8. Australia Telescope National Facility, Epping, NSW (Australia)
  9. Stanford Univ. and SLAC National Accelerator Lab., CA (United States). Kavli Inst. for Particle Astrophysics and Cosmology
  10. Max Planck Inst. for Radio Astronomy, Bonn (Germany); Univ. of Manchester (United Kingdom). Jodrell Bank Centre for Astrophysics
  11. Naval Research Lab. (NRL), Washington, DC (United States). Center for Earth Observing and Space Research
  12. National Radio Astronomy Observatory (NRAO), Charlottesville, VA (United States)
  13. Naval Research Lab. (NRL), Washington, DC (United States)
  14. Univ. of California, Santa Cruz, CA (United States). Santa Cruz Inst. for Particle Physics
  15. Univ. of Bordeaux, Gradignan (France)
+ Show Author Affiliations

Here, we report the discovery of the millisecond pulsar PSR J2043+1711 in a search of a Fermi Large Area Telescope (LAT) source with no known associations, with the Nançay Radio Telescope. The new pulsar, confirmed with the Green Bank Telescope, has a spin period of 2.38 ms, is relatively nearby (d ≲ 2 kpc) and is in a 1.48-d orbit around a low-mass companion, probably an He-type white dwarf. Using an ephemeris based on Arecibo, Nançay and Westerbork timing measurements, pulsed gamma-ray emission was detected in the data recorded by the Fermi LAT. The gamma-ray light curve and spectral properties are typical of other gamma-ray millisecond pulsars seen with Fermi. X-ray observations of the pulsar with Suzaku and the Swift X-ray Telescope yielded no detection. At 1.4 GHz, we also observe strong flux density variations because of interstellar diffractive scintillation; however, a sharp peak can be observed at this frequency during bright scintillation states. At 327 MHz, the pulsar is detected with a much higher signal-to-noise ratio and its flux density is far more steady. However, at that frequency the Arecibo instrumentation cannot yet fully resolve the pulse profile. Despite that, our pulse time-of-arrival measurements have a post-fit residual rms of 2 μs. Furthermore, this and the expected stability of this system have made PSR J2043+1711 one of the first new Fermi-selected millisecond pulsars to be added to pulsar gravitational wave timing arrays. It has also allowed a significant measurement of relativistic delays in the times of arrival of the pulses due to the curvature of space–time near the companion, but not yet with enough precision to derive useful masses for the pulsar and the companion. Nevertheless, a mass for the pulsar between 1.7 and 2.0 M⊙ can be derived if a standard millisecond pulsar formation model is assumed. In this paper, we also present a comprehensive summary of pulsar searches in Fermi LAT sources with the Nançay Radio Telescope to date.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Contributing Organization:
Fermi LAT Collaboration
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1356734
Journal Information:
Monthly Notices of the Royal Astronomical Society, Vol. 422, Issue 2; ISSN 0035-8711
Publisher:
Royal Astronomical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 36 works
Citation information provided by
Web of Science

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Cited By (8)

THE SECOND FERMI LARGE AREA TELESCOPE CATALOG OF GAMMA-RAY PULSARS journal September 2013
High-precision timing of 42 millisecond pulsars with the European Pulsar Timing Array journal March 2016
Spectral characterization of the non-thermal X-ray emission of gamma-ray pulsars journal December 2019
The Einstein@Home Gamma-ray Pulsar Survey. II. Source Selection, Spectral Analysis, and Multiwavelength Follow-up journal February 2018
The NANOGrav 11 yr Data Set: Arecibo Observatory Polarimetry and Pulse Microcomponents journal July 2018
The Second Fermi Large area Telescope Catalog of Gamma-Ray Pulsars text January 2013
High-precision timing of 42 millisecond pulsars with the European Pulsar Timing Array text January 2016
The Einstein@Home Gamma-Ray Pulsar Survey II. Source Selection, Spectral Analysis and Multi-wavelength Follow-up text January 2017

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Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
pulsars: general
pulsars: individual: PSR J2043+1711
gamma-rays: general