arXiv:1306.6443 [astro-ph.HE]AbstractReferencesReviewsResources Classifications Subjects Themes Keywords candidate supergiant fast x-ray transient, supergiant fast x-ray transient igr, swift/xrt orbital monitoring, soft x-ray, light curve Tags journal article Journal Information Publisher Journal Year Month Volume Number Pages DOI URL Miscellaneous Typesetting Pages Language License Submit Reset