Search for the optical counterparts of PSRs J1744-1134 and J1024-0719 with the VLT

Details Search for the optical counterparts of PSRs J1744-1134 and J1024-0719 with the VLT Search for the optical counterparts of PSRs J1744-1134 and J1024-0719 with the VLT

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003pasb.conf...81s&link_type=abstract

"Pulsars, AXPs and SGRs observed with BeppoSAX and Other Observatories, Proceedings of the International Workshop held in Marsal

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Scientific paper

Deep VLT observations have been carried out on the fields of the isolated millisecond pulsars PSR J1744-1134 and PSR J1024-0719. Our observations do not reveal any optical counterpart for PSR J1744-1134, setting an upper limit of B>26.9, V>26.3 and R>26.0. We find two objects within 1.5 arcsec of the radio position of PSR J1024-0719. The brighter has the colours and spectrum characteristic of a K-dwarf, and is therefore discarded as a possible counterpart. The fainter has the magnitudes U=23.8, V=24.9, R=24.4 and I=24.2, corresponding to a broad-band spectrum similar to that of younger pulsars detected in the optical. We conclude that this source may be the optical counterpart of the radio pulsar, but only high time resolution observations of this object can unambiguously resolve the issue.

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