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RR Lyrae Variables in the Crater II Dwarf Galaxy

Joo, Seok-Joo; Kyeong, Jaemann; Yang, Soung-Chul; Han, Sang-Il; Sung, Eon-Chang; Kim, Dongwon; Jeong, Hyunjin; Ree, Chang H.; Rey, Soo-Chang; Jerjen, Helmut; Kim, Hak-Sub; Cha, Sang-Monk; Lee, Yongseok


We report the detection of RR Lyrae variable stars in Crater II, a recently discovered large and diffuse satellite dwarf galaxy of the Milky Way (MW). Based on B, V time-series photometry obtained with the Korea Microlensing Telescope Network 1.6 m telescope at Cerro Tololo Inter-American Observatory, we identified 83 ab-type and 13 c-type pulsators by fitting template light curves. The detected RR Lyrae stars are centrally concentrated, which ensures that most of them are members of Crater II....[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/aac4a3
Access Rights: Open Access


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