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Article: Research from A.H. Andrei et al has provided new information about astrophysics.
- Article from:
- Physics Week
- Article date:
- November 3, 2009
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"The large number and all-sky distribution of quasars from different surveys, along with their presence in large, deep astrometric catalogs, enables us to build of an optical materialization of the International Celestial Reference System (ICRS) following its defining principles. Namely: that it is kinematically non-rotating with respect to the ensemble of distant extragalactic objects; aligned with the mean equator and dynamical equinox of J2000; and realized by a list of adopted coordinates of extragalatic sources," researchers in Brazil report.
"The Large Quasar Reference Frame (LQRF) was built with the care of avoiding incorrect matches of its constituents ...