A near-infrared survey of the N49 region around the Soft Gamma-Ray Repeater 0526-66

Details A near-infrared survey of the N49 region around the Soft Gamma-Ray Repeater 0526-66 A near-infrared survey of the N49 region around the Soft Gamma-Ray Repeater 0526-66

2004-05-15

arxiv.org/abs/astro-ph/0405299v1

Astrophys.J. 609 (2004) L13-L16

Astronomy and Astrophysics

Astrophysics

submitted to ApJ Letters

Scientific paper

10.1086/422657

We report the results of a deep near-infrared survey with VLT/ISAAC of the environment of the supernova remnant N49 in the Large Magellanic Cloud, which contains the soft gamma-ray repeater SGR 0526-66. Two of the four confirmed SGRs are potentially associated with compact stellar clusters. We thus searched for a similar association of SGR 0526-66, and imaged a young stellar cluster at a projected distance of ~30 pc from the SGR. This constitutes the third cluster-SGR link, and lends support to scenarios in which SGR progenitors originate in young, dusty clusters. If confirmed, the cluster-SGR association constrains the age and thus the initial mass of SGR progenitors.

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