Direct Extragalactic Distance Determination Using X‐Ray Scattering

2004/07/20 by B. T. Draine, Nicholas A. Bond · 3 citations
Physics and Astronomy · #Astrophysical Phenomena and Observations #Galaxies: Formation, Evolution, Phenomena #Gamma-ray bursts and supernovae #astro-ph

paper · pdf · doi:10.1086/425609

published as Astrophys.J. 617 (2004) 987-1003 · submitted to ApJ. 31 pages, 9 figures

arxiv created 2004/07/20 · openalex publication_date 2004/12/18 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/31

Abstract

We examine the feasibility of using dust-scattered X-rays for direct determination of distances to nearby galaxies with bright background AGNs, QSOs, or GRBs. We show how the Chandra X-Ray Observatory could be used to determine the distance to M31 to an unprecedented absolute accuracy of ~1%.

Citations

• A 4% Geometric Distance to the Galaxy NGC4258 from Orbital Motions in a Nuclear Gas Disk

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