著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) T Kangas and C Fransson and J Larsson and K France and R A Chevalier and R P Kirshner and P Lundqvist and S Mattila and J Sollerman and V P Utrobin,The morphology of the ejecta of SN 1987A at 31 yr from 1150 to 10 000 Å,Monthly Notices of the Royal Astronomical Society,0035-8711,Oxford University Press (OUP),2021-12-20,511,2,2977-2993,https://cir.nii.ac.jp/crid/1360298763913620224,https://doi.org/10.1093/mnras/stab3683