Uncovering stellar atmospheres with gravitational microlensing telescopes

Details Uncovering stellar atmospheres with gravitational microlensing telescopes Uncovering stellar atmospheres with gravitational microlensing telescopes

2003-12-08

arxiv.org/abs/astro-ph/0312200v1

Astronomy and Astrophysics

Astrophysics

3 pages in LaTeX2e, 2 EPS-figures embedded, uses 'ws-procs975x65.cls' and 'rotating_pr.sty' (supplied). To appear in the Proce

Scientific paper

A strong differential magnification over the face of the source star passing the caustic created by a binary lens star allows to measure its radial intensity profile with an angular resolution of 20-60 nas from broad-band photometric observations for ~15 stars per year and to study its chemical composition from time-resolved high-resolution spectroscopy for ~2 stars per year.

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