Title: Gamma-ray flare activity from PSR B1259-63 during 2014 Periastron Passage and comparison to its 2010 passage

Journal Article · · The Astrophysical Journal (Online)
 [1];  [2];  [3]; ORCiD logo [4]; ORCiD logo [5];  [2];  [6]
  1. Stanford Univ., CA (United States). Kavli Inst. for Particle Astrophysics and Cosmology; SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. Naval Research Lab. (NRL), Washington, DC (United States). Space Science Division
  3. Inst. of Space Sciences (IEEC-CSIC, Barcelona (Spain)
  4. NASA Ames Research Center (ARC), Moffett Field, Mountain View, CA (United States)
  5. Inst. of Space Sciences (IEEC-CSIC), Barcelona (Spain); Catalan Inst. for Research and Advanced Studies (ICREA), Barcelona (Spain)
  6. Dublin City Univ. (Ireland); Dublin Inst. for Advanced Studies (Ireland). School of Cosmic Physics
+ Show Author Affiliations

PSR B1259–63/LS 2883 is a gamma-ray binary system containing a radio pulsar in a highly elliptical ~3.4-year orbit around a Be star. In its 2010 periastron passage, multiwavelength emission from radio to TeV was observed, as well as an unexpected GeV flare measured by the Fermi Large Area Telescope (LAT). We report the results of LAT monitoring of PSR B1259–63 during its most recent 2014 periastron passage. We also compare the gamma-ray behavior in this periastron with the former in 2010 and find that PSR B1259–63 shows a recurrent GeV flare. Furthermore, the similarities and differences in the phenomenology of both periastron passages are discussed.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1354903
Journal Information:
The Astrophysical Journal (Online), Journal Name: The Astrophysical Journal (Online) Journal Issue: 1 Vol. 811; ISSN 1538-4357
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (21)

Modelling Jets, Tori and Flares in Pulsar Wind Nebulae journal March 2017
Overview of non-transient γ -ray binaries and prospects for the Cherenkov Telescope Array journal November 2019
H.E.S.S. and Fermi -LAT observations of PSR B1259–63/LS 2883 during its 2014 and 2017 periastron passages journal January 2020
Modelling the interaction between relativistic and non-relativistic winds in binary pulsar systems: strong magnetization of the pulsar wind journal October 2019
First detection of PSR B1259−63/LS 2883 in the millimeter and submillimeter wavelengths with ALMA journal August 2019
Modelling Jets, Tori and Flares in Pulsar Wind Nebulae text January 2017
3FHL: The Third Catalog of Hard Fermi -LAT Sources text January 2017
H.E.S.S. and Fermi-LAT observations of PSR B1259-63/LS 2883 during its 2014 and 2017 periastron passages text January 2019
FERMI STUDY OF 5–300 GeV EMISSION FROM THE HIGH-MASS PULSAR BINARY PSR B1259-63/LS 2883 journal August 2016
GeV Detection of HESS J0632+057 journal September 2017
The Hour-timescale GeV Flares of PSR B1259–63 in 2017 journal August 2018
A Luminous and Highly Variable Gamma-Ray Flare Following the 2017 Periastron of PSR B1259–63/LS 2883 journal August 2018
X-Ray Spectral Evolution of PSR J2032+4127 during the 2017 Periastron Passage journal August 2019
Evolution of the Extended X-Ray Emission from the PSR B1259–63/LS 2883 Binary in the 2014–2017 Binary Cycle journal September 2019
3FHL: The Third Catalog of Hard Fermi -LAT Sources journal September 2017
Fermi Study of 5-300 GeV emission from the high-mass pulsar binary PSR B1259-63/LS 2883 text January 2016
3FHL: The Third Catalog of Hard Fermi-LAT Sources text January 2017
A Luminous and Highly-variable Gamma-ray Flare Following the 2017 Periastron of PSR B1259-63/LS 2883 text January 2018
Overview of non-transient gamma-ray binaries and prospects for the Cherenkov Telescope Array text January 2019
Modelling the interaction between relativistic and non-relativistic winds in binary pulsar systems: strong magnetization of the pulsar wind text January 2019
H.E.S.S. and Fermi-LAT observations of PSR B1259–63/LS 2883 during its 2014 and 2017 periastron passages text January 2020

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