... between distant compact radio sources quasars on the basis of their angularsize ... And above a redshift of 2, the angularsize of the sources appears to increase. ...
... Wilson in southern California, was used to measure the angularsize of HD 189733 ... optical interferometry to measure minute angularsizes equivalent to the capability ...
... The new technique is similar to that used by land surveyors on Earth, who measure both the physical and angular or apparent size of a distant object to calculate its distance from Earth. ...
... With a projected angularsize of milliarcsecond scale, the WR 20a binary system, including its colliding wind zone, would appear as a point source for observations with the H.E.S.S. telescope array. ...
... At that point, an additional allotment of observing time will continue the search across a field of view roughly the angularsize of the Full Moon. ...
... Betelgeuse is a red giant half as far away as Rigel. With an angularsize of over 0.1", Betelgeuse's diameter would encompass the orbit of Jupiter. ...
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Ссылки http://www.astronomy.com/~/media/import/files/pdf/5/0/1/orion-the-hunter.pdf -- 421.1 Кб -- 11.10.2010 Похожие документы