FERMI DETECTION OF THE PULSAR WIND NEBULA HESS J1640-465

Slane P, Castro D, Funk S, Uchiyama Y, Lemiere A, Gelfand JD, Lemoine-Goumard M (2010)

Publication Type: Journal article

Publication year: 2010

Journal

Astrophysical Journal American Astronomical Society

Book Volume: 720

Pages Range: 266-271

Journal Issue: 1

DOI: 10.1088/0004-637X/720/1/266

Abstract

We present observations of HESS J1640-465 with the Fermi-Large Area Telescope. The source is detected with high confidence as an emitter of high-energy gamma-rays. The spectrum lacks any evidence for the characteristic cutoff associated with emission from pulsars, indicating that the emission arises primarily from the pulsar wind nebula (PWN). Broadband modeling implies an evolved nebula with a low magnetic field resulting in a high gamma-ray to X-ray flux ratio. The Fermi emission exceeds predictions of the broadband model, and has a steeper spectrum, possibly resulting from a distinct excess of low energy electrons similar to what is inferred for both the Vela X and Crab PWNe.

Authors with CRIS profile

Stefan Funk

Involved external institutions

Institut national de physique nucléaire et de physique des particules (IN2P3) FR France (FR) Stanford National Accelerator Laboratory (SLAC) US United States (USA) (US) National Center for Scientific Research / Centre national de la recherche scientifique (CNRS) FR France (FR) Harvard University US United States (USA) (US) New York University (NYU) US United States (USA) (US)

How to cite

APA:

Slane, P., Castro, D., Funk, S., Uchiyama, Y., Lemiere, A., Gelfand, J.D., & Lemoine-Goumard, M. (2010). FERMI DETECTION OF THE PULSAR WIND NEBULA HESS J1640-465. Astrophysical Journal, 720(1), 266-271. https://dx.doi.org/10.1088/0004-637X/720/1/266

MLA:

Slane, P., et al. "FERMI DETECTION OF THE PULSAR WIND NEBULA HESS J1640-465." Astrophysical Journal 720.1 (2010): 266-271.

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