Chandra Imaging of the Gamma-Ray Source GeV J1809-2327

Abstract

We report on Chandra imaging observations of the Galactic Unidentified $\gamma$-ray source GEV J1809-2327, comparing the X-ray images with new VLA 1.46 GHz and 4.86 GHz maps. The X-ray images reveal a point source connected to a non-thermal X-ray/radio nebula, supporting a pulsar/wind model for the $\gamma$-ray emitter. We also detect numerous X-ray sources from the young stellar association in the adjacent HII region S32.

to appear in ApJ letters

References in corpus (3)

• The X-ray Spectrum of the Vela Pulsar Resolved with Chandra
• The ASCA Catalog of Potential X-Ray Counterparts of GeV Sources
• X-ray Detection of Pulsar PSR B1757-24 and its Nebular Tail

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• Variability of EGRET Gamma-Ray Sources
• PSR J2021+3651: A Young Radio Pulsar Coincident with an Unidentified EGRET Gamma-ray Source
• X-ray, Radio, and Optical Observations of the Putative Pulsar in the Supernova Remnant CTA 1
• Blazar Counterparts for 3EG Sources at -40 < decl. < 0: Pushing South Through the Bulge
• A Survey of 56 Mid-latitude EGRET Error Boxes for Radio Pulsars
• The GeV-TeV Connection in Galactic gamma-ray sources
• A Chandra Proper Motion for PSR J1809-2332
• Discovery of a New X-ray Filled Radio Supernova Remnant Around the Pulsar Wind Nebula in 3EG J1809-2328
• Pulsar Wind Nebulae in EGRET Error Boxes
• Pulsars and Their Nebulae as EGRET Sources
• The Young Cluster in IC 1274
• Searching for the optical counterparts of two young gamma-ray pulsars