... stars, we also identified all the relatively bright (S/N >75) neighboring stars that ... a target star and its reference stars, and the bottom half shows the same stars in ...
... http://www.stsci.edu/hst/acs or contact the help desk at help@stsci.edu Figure 1: Left: A portion of a short exposure of the cluster 47 Tuc showing the distinctive CTE trails extending away from the stars in the opposite direction to the readout direction ...
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Ссылки http://www.stsci.edu/hst/acs/performance/calacs_cte/linda_aas.pdf/ -- 2862.1 Кб -- 05.02.2013 Похожие документы
... Quasars are no larger than our solar system but outshine galaxies of hundreds of billions of stars. ... These light beacons have left trails of evidence and plenty of clues, but scientists have only just begun to understand their ...
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Ссылки http://www.stsci.edu/~ariess/documents/Hubble%20Top%20Ten%20Greatest%20Achievements_web.pdf -- 442.6 Кб -- 11.07.2007 Похожие документы
... observations of stars 4727-25 and HD65949 and several other reference = stars ... Stars) The High Resolution Spectrograph (Side Two) was used to make = echelle ... star is expected to have a low boron abundance, so the = lines will be sharp and ...
... 1.11 Completed FGS 4884 (High Speed Astrometry: A Search for Planetary Companions to Low Mass Stars) The FGSs were used to make observations of Barnard's star to look for astrometric companions (i.e., a Jupiter-sized companion). ...
... nuclei, displaced active galactic nuclei, wiggling jets, enlarged cores, lopsided cores, x-ray afterglows, feedback trails, offcenter flares from tidally disrupted stars, hypervelocity stars, a population of galaxies without supermassive black holes, etc ...
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Ссылки http://www.stsci.edu/institute/itsd/information/streaming/archive/STScIScienceColloquiaSpring2009/FranPretorius021809Hi_supporting/FransPretorius021809 -- 916.9 Кб -- 21.02.2009 Похожие документы