SIMBAD references

2001A&A...368..569V - Astronomy and Astrophysics, volume 368, 569-571 (2001/3-3)

Spectroscopic confirmation of the optical identification of X-ray sources used to determine accurate positions for the anomalous X-ray pulsars 1E 2259+58.6 and 4U 0142+61.

VAN DEN BERG M. and VERBUNT F.

Abstract (from CDS):

Optical spectra show that two proposed counterparts for X-ray sources detected near 1E 2259+58.6 are late G stars, and a proposed counterpart for a source near 4U 0142+61 is a dMe star. The X-ray luminosities are as expected for such stars. We thus confirm the optical identification of the three X-ray objects, and thereby the correctness of the accurate positions for 1E 2259+58.6 and 4U 0142+61 based on them.

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Journal keyword(s): pulsars: individual: 1E 2259+58.6, 4U 0142+61 - stars: neutron - X-rays: stars

Simbad objects: 7

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