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Reconciliation of the Surface Brightness Fluctuation and Type 1a Supernova Distance Scales

Ajhar, Edward A; Tonry, John; Blakeslee, John P; Riess, Adam

Description

We present Hubble Space Telescope measurements of surface brightness fluctuation (SBF) distances to early-type galaxies that have hosted Type Ia supernovae (SNe Ia). The agreement in the relative SBF and SN Ia multicolor light-curve shape and delta-m15 distances is excellent. There is no systematic scale error with distance, and previous work has shown that SBFs and SNe Ia give consistent ties to the Hubble flow. However, we confirm a systematic offset of ∼ 0.25 mag in the distance zero points...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
URI: http://hdl.handle.net/1885/89348
Source: Astrophysical Journal, The
DOI: 10.1086/322342

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