arXiv:1808.07875 [astro-ph.HE]AbstractReferencesReviewsResources Classifications Subjects Themes Keywords black-hole x-ray binary, black hole low-mass x-ray binary, asassn-18ey, pre-outburst optical light curves, all-sky automated survey Tags Journal Information Publisher Journal Year Month Volume Number Pages DOI URL Miscellaneous Typesetting Pages Language License Submit Reset