かんむり座R星
1 2 パーセクは1 ÷ 年周視差(秒)より計算、光年は1÷年周視差(秒)×3.2615638より計算
doi:10.1134/S1063772917010085. ISSN 1063-7729. https://vizier.cds.unistra.fr/viz-bin/VizieR-5?-ref=VIZ6080047f2efd89&-out.add=.&-source=B/gcvs/gcvs_cat&recno=16499.
1 2 Hoffleit, D.; Warren, W. H., Jr. (1995-11). “Bright Star Catalogue, 5th Revised Ed.”. VizieR On-line Data Catalog: V/50. Bibcode: 1995yCat.5050....0H. https://vizier.cds.unistra.fr/viz-bin/VizieR-5?-ref=VIZ5a76628e9487&-out.add=.&-source=V/50/catalog&recno=5880.