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H II region metallicity constraints near the site of the strongly lensed supernova “SN Refsdal” at redshift 1.49

Yuan, Tiantian; Kobayashi, Chiaki; Kewley, Lisa J.


We present the local H II region metallicity near the site of the recently discovered multiply lensed supernova (SN; "SN Refsdal") at redshift 1.49. "SN Refsdal" is located at the outer spiral arm (∼7 kpc) of the lensed host galaxy, which we previously reported to exhibit a steep negative galactocentric metallicity gradient. Based on our updated near-infrared integral field spectroscopic data, the gas-phase metallicity averaged in an intrinsic radius of ∼550 pc surrounding an H ii region ∼200...[Show more]

CollectionsANU Research Publications
Date published: 2015-05-01
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.1088/2041-8205/804/1/L14


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