Distance Estimate of Tycho's SNR
A.V. Kozlova, S.I. Blinnikov
TL;DR
This paper introduces a hydrodynamical simulation-based method to estimate the distance to Tycho's supernova remnant, utilizing models and high-resolution X-ray images to derive a precise measurement.
Contribution
The study combines hydrodynamical simulations with Chandra X-ray data to provide a new distance estimate for Tycho's SNR, improving accuracy over previous methods.
Findings
Distance to Tycho's SNR is estimated at 2.8 ± 0.4 kpc.
Hydrodynamical models successfully fit X-ray emission data.
Method offers a new approach for supernova remnant distance measurements.
Abstract
We present an approach to finding distances to young supernova remnants. Our method is based on hydrodynamical simulations of Tycho's SNR using the SUPREMNA code. For the explosion models, we use the classical W7 deflagration model and the delayed detonation model that was previously shown to provide good fits to the X-ray emission of Tycho's SNR. Combining our hydrodynamical simulations with the Chandra high-resolution images of the remnant obtained in 2015, we derive a distance estimate to Tycho's SNR of kpc.
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