Diffractive Microlensing: A New Probe of the Local Universe
Instrumentation and Methods for Astrophysics
2013-02-26 v1 Earth and Planetary Astrophysics
Astrophysics of Galaxies
Abstract
Diffraction is important when nearby substellar objects gravitationally lens distant stars. If the wavelength of the observation is comparable to the Schwarzschild radius of lensing object, diffraction leaves an observable imprint on the lensing signature. The SKA may have sufficient sensitivity to detect the typical sources, giant stars in the bulge. The diffractive signatures in a lensing event break the degeneracies between the mass of the lens, its distance and proper motion.
Keywords
Cite
@article{arxiv.1302.5717,
title = {Diffractive Microlensing: A New Probe of the Local Universe},
author = {Jeremy S. Heyl},
journal= {arXiv preprint arXiv:1302.5717},
year = {2013}
}
Comments
3 pages, 2 figurs, submission for the Proceedings of the Thirteenth Marcel Grossman Meeting on General Relativity edited by Kjell Rosquist, Robert T Jantzen, Remo Ruffini World Scientific, Singapore, 2013