Discovery of a new X-ray filled radio supernova remnant around the pulsar wind nebula in 3EG J1809-2328

Mallory Roberts, C. L. Brogan

Research output: Contribution to journalArticle

Abstract

We report the discovery of a partial ∼2° diameter nonthermal radio shell coincident with Taz, the pulsar wind nebula (PWN) in the error box of the apparently variable γ-ray source 3EG J1809-2328. We propose that this radio shell is a newly identified supernova remnant (SNR G7.5-1.7) associated with the PWN. The SNR surrounds an amorphous region of thermal X-rays detected in archival ROSAT and ASCA observations, putting this system in the mixed-morphology class of supernova remnants. G7.5-1.7 is the fifth such supernova remnant coincident with a bright GeV source, and the fourth containing a pulsar wind nebulae.

Original languageEnglish (US)
Pages (from-to)320-324
Number of pages5
JournalAstrophysical Journal
Volume681
Issue number1
DOIs
StatePublished - Jul 1 2008

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supernova remnants
nebulae
pulsars
radio
shell
x rays
boxes
rays

Keywords

  • Gamma rays: observations
  • ISM: individual (G7.5-1.7)
  • Pulsars: individual (Taz)
  • Radio continuum: ISM
  • Supernova remnants
  • X-rays: ISM

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Space and Planetary Science

Cite this

Discovery of a new X-ray filled radio supernova remnant around the pulsar wind nebula in 3EG J1809-2328. / Roberts, Mallory; Brogan, C. L.

In: Astrophysical Journal, Vol. 681, No. 1, 01.07.2008, p. 320-324.

Research output: Contribution to journalArticle

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