... be measured is, of course, a function of both angularsize and apparent magnitude ... 1990) predict luminous galaxies of large angularsize at high redshift: such objects ...
... by satellite size and weight restrictions, provide only crude angular resolution, of ... point spread function depends upon the angularsize of the single smallest mask ...
... In this way we have derived an absolute size of the ring R abs = (6.23 0.08) 10 17 cm and an angularsize R" = 808 17 mas, which give a distance to the supernova d(SN 1987A) = 51.4 1.2 kpc and a distance modulus m-M(SN 1987A)=18.55 0.05. ...
... by satellite size and weight restrictions, provide only crude angular resolution, of ... point spread function depends upon the angularsize of the single smallest mask ...
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Ссылки http://www.stsci.edu/stsci/meetings/space_detectors/pdf/desai.pdf -- 326.1 Кб -- 30.08.2001 Похожие документы
... only a few Mpc, and their projected angularsizes decrease rapidly below 0.1" beyond ... up to much higher redshifts, since the angularsize scale changes very slowly above ...
... to Cepheids are derived by matching the photometric angularsize of photosphere inferred by a surface brightness-color SC ... and theoretical results, this IR relation was found to be an ideal reference for inferring unbiased stellar angularsizes ...
... Measuring the angularsize of extended objects. · Relative astrometry at the 0.2 mas level (mV < 14.5). ... the FGS has also been used to determine the angularsizes of Active Galactic Nuclei (AGNs), asteroids, and extragalactic star ...
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Ссылки http://www.stsci.edu/hst/fgs/documents/papers/1999Chicago.AAS.pdf -- 499.6 Кб -- 23.08.2004 Похожие документы
... SIZE=-1><SUB>abs</SUB></FONT> = (6.23±0.08) ×10<FONT SIZE=-1><SUP>17</SUP></FONT> cm and an angularsize R" = 808±17 mas, which give a distance to the supernova d(SN 1987A) = 51.4±1.2  ...