Strong lensing is one of the most spectacular views in the universe.Many cosmological applications have been proposed,but the number of such lensing systems is still limited.In this work,we applied an improved version...Strong lensing is one of the most spectacular views in the universe.Many cosmological applications have been proposed,but the number of such lensing systems is still limited.In this work,we applied an improved version of a previously developed spectroscopic lensing search method to the SDSS-Ⅲ BOSS and proposed a list of highly possible candidates.Follow-up CFHT Megacam imaging observations were performed for five systems,and two out of five are probably strong lensing systems with at least one image close to the central galaxy,although no counter images are detected.展开更多
基金partly supported by the National Key Basic Research and Development Program of China(No.2018YFA0404501 to SM)the National Natural Science Foundation of China(Grant Nos.11821303 and 11761131004 to SM)
文摘Strong lensing is one of the most spectacular views in the universe.Many cosmological applications have been proposed,but the number of such lensing systems is still limited.In this work,we applied an improved version of a previously developed spectroscopic lensing search method to the SDSS-Ⅲ BOSS and proposed a list of highly possible candidates.Follow-up CFHT Megacam imaging observations were performed for five systems,and two out of five are probably strong lensing systems with at least one image close to the central galaxy,although no counter images are detected.