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Title:
A Near-Infrared Search for Counterparts to Three Pulsars in Young Supernova Remnants
Authors:
Kaplan, David L.; Moon, Dae-Sik
Affiliation:
AA(MIT Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, 37-664H, 77 Massachusetts Avenue, Cambridge, MA 02139; ), AB(Space Radiation Laboratory, MC 220-47, California Institute of Technology, Pasadena, CA 91125; )
Publication:
The Astrophysical Journal, Volume 644, Issue 2, pp. 1056-1062. (ApJ Homepage)
Publication Date:
06/2006
Origin:
UCP
ApJ Keywords:
Infrared: Stars, pulsars: individual (PSR B1509-58), pulsars: individual (PSR J1811-1925), pulsars: individual (PSR J1930+1852), Stars: Neutron, ISM: Supernova Remnants
DOI:
10.1086/503794
Bibliographic Code:
2006ApJ...644.1056K

Abstract

We present moderately deep JHKs-band searches for near-infrared counterparts to three energetic pulsars in young supernova remnants: PSR B1509-58, PSR J1811-1925, and PSR J1930+1852. We identify a possible counterpart to PSR B1509-58 (which has H~=20.6 mag and Ks~=19.4 mag, comparable to the flux extrapolated from the X-ray spectrum) with an X-ray-to-infrared flux ratio very similar to that of the Crab pulsar on the basis of its coincidence with the X-ray and radio positions and its anomalous colors, but whether or not we have identified the correct counterpart remains to be confirmed by future observations. For PSR J1811-1925 and PSR J1930+1852 we detect no counterparts, which seems to be consistent with the X-ray-to-infrared flux ratios implied by other young pulsars.

Based, in part, on data obtained at the W. M. Keck Observatory, which is operated as a scientific partnership between the California Institute of Technology, the University of California, and NASA, and was made possible by the generous financial support of the W. M. Keck Foundation.

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