What is it about?
Super Massive Blackhole has been revealed in networks of radio telescopes. Currently the network, called VLBI, is thought to be only way to resolve the tiny image of a blackhole directly. GLT provides more resolution to the current VLBI network to confirm the blackhole image easily.
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Why is it important?
Very Long Baseline Interferometry (VLBI) provides higher resolution by longer baselines and shorter observing wavelengths. Greenland is a remote place from other VLBI stations, which gives longer baselines to other existing VLBI stations. Further, Greenland is cold so that the water content in the atmosphere is low, which enables us to make use of shorter wavelengths to submillimeter region. So, GLT is expected to be a key VLBI station to get higher resolution of VLBI to reveal black hole image.
Perspectives
GLT is the first telescope built in the Arctic region, where the atmospheric condition is good for millimeter and sorter wavelength observations.
Professor Makoto Inoue
ASIAA
Read the Original
This page is a summary of: Greenland telescope project: Direct confirmation of black hole with sub-millimeter VLBI, Radio Science, July 2014, American Geophysical Union (AGU),
DOI: 10.1002/2014rs005450.
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