A Possible Faint Near-Infrared Counterpart to the Anomalous X-Ray Pulsar 1E 2259+586 | Zendy

F. Hulleman | Zendy; Allyn F. Tennant | Zendy; M. H. van Kerkwijk | Zendy; S. R. Kulkarni | Zendy; C. Kouveliotou | Zendy; S. Patel | Zendy

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A Possible Faint Near-Infrared Counterpart to the Anomalous X-Ray Pulsar 1E 2259+586

Author(s) -

F. Hulleman,

Allyn F. Tennant,

M. H. van Kerkwijk,

S. R. Kulkarni,

C. Kouveliotou,

S. Patel

Publication year - 2001

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/338478

Subject(s) - pulsar , physics , magnetar , astrophysics , infrared , telescope , x ray pulsar , position (finance) , accretion (finance) , astronomy , stars , position angle , field (mathematics) , galaxy , finance , pure mathematics , mathematics , economics

We present near-infrared and optical observations of the field of theAnomalous X-ray Pulsar 1E 2259+58.6 taken with the Keck telescope. We derive asubarcsecond Chandra position and tie it to our optical reference frame usingother stars in the field. We find a very faint source, Ks = 21.7\pm0.2 mag,with a position coincident with the Chandra position. We argue that this is thecounterpart. In the J, I, and R bands, we derive (2 sigma) limits of 23.8, 25.6and 26.4 mag, respectively. As with 4U 0142+61, for which a counterpart haspreviously been found, our results are inconsistent with models in which thesource is powered by accretion from a disk, but may be consistent with themagnetar model.

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