期刊
ASTROPHYSICAL JOURNAL LETTERS
卷 853, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.3847/2041-8213/aaa95f
关键词
cosmology: theory; galaxies: clusters: individual (MACS J1149.5+2223); gravitational lensing: strong; methods: statistical; supernovae: individual (SN Refsdal)
资金
- Space Telescope Science Institute [49726]
- MINECO/FEDER, UE [AYA2015-64508-P]
- Ministerio de Economia y Competitividad [CSD2010-00064]
- Charles E. Kaufman Foundation
- [AYA2012-39475-C02-01]
- Direct For Mathematical & Physical Scien
- Division Of Astronomical Sciences [1311924] Funding Source: National Science Foundation
Hubble Space Telescope observations from 2015 December 11 detected the expected fifth counter-image of supernova (SN) Refsdal at z = 1.49. In this Letter, we compare the time-delay predictions from numerous models with the measured value derived by Kelly et al. from very early data in the light curve of the SN Refsdal and find a best value for H-0 = 64(-11)(+9) km s(-1) Mpc(-1) (68% CL), in excellent agreement with predictions from cosmic microwave background and recent weak lensing data + baryon acoustic oscillations + Big Bang nucleosynthesis (from the DES Collaboration). This is the first constraint on H-0 derived from time delays between multiple-lensed SN images, and the first with a galaxy cluster lens, subject to systematic effects different from other time-delay H-0 estimates. Additional time-delay measurements from new multiply imaged SNe will allow derivation of competitive constraints on H-0.
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