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Event: 'Probing Physics Close To The Event Horizon Of The Galactic Center Black Hole With GRAVITY, Frank Eisenhauer (Max Plank Institute)'

Seminars
CENTRA Seminars
Date: Tuesday, March 09, 2010 At 05:00 PM
Duration: 1 Hour
Contact Info:
vitor.cardoso@ist.utl.pt
Email:
URL:

GRAVITY is the second generation, AO assisted, near-infrared VLTI instrument for
precision narrow-angle astrometry and interferometric imaging of faint objects. With advanced optics, its
wavefront sensors and fringe tracker, and a novel metrology concept, GRAVITY will not only push the sensitivity far beyond what is offered today, but will also advance the astrometric accuracy to 10 ╬╝as.
The main scientific goal of GRAVITY is to observe highly relativistic motions of matter
close to the event horizon of the super-massive black hole at the center of the Milky Way. This presentation will introduce the scientific rationale for GRAVITY and outline the technical solutions for achieving its goals.



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