... it shows clear evidence of CTE trails and CTE dropouts (stars D and A cannot be seen ... The trails are reduced considerably, and many stars lost in the unflashed exposure ...
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Ссылки http://www.stsci.edu/hst/wfc3/ins_performance/CTE/ANDERSON_UVIS_POSTFLASH_EFFICACY.pdf -- 843.4 Кб -- 05.02.2013 Похожие документы
... A striking advantage of HST relative to ground-based imaging is the ability to discern the details of the comet structure on the sub arc-second scale even in a crowded region of sky near the galactic plane due to the small PSFs of the trailedstar images. ...
... All other faint features can be associated with residual startrails or many cosmic rays events that were not completely removed by our processing steps. ...
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Ссылки http://www.stsci.edu/~mutchler/documents/AJ_2006_PlutoDD.pdf -- 134.5 Кб -- 03.05.2006 Похожие документы
... Unlike many regions of massive star formation found in astronomy, the site of the youngest (most massive) stars in rings is continually expanding, leaving behind in its wake a trail of evolving stars. ...
... Carlin, J. L., Ma jewski, S. R., Casetti-Dinescu, D. I., Law, D. R., Girard, T. M., & Patterson, R. J. 2012, ApJ, 744, 25 "Kinematics of Stars Along the Sagittarius Trailing Tidal Tail and the Constraints they Provide on the Local Standard of Rest" 28. ...
... Stars are not used if bleeding trails approach within 8 pixels of the star centers. ... that (a) are within a few pixels of a bleeding trail from a saturated star, (b) had cosmic rays eliminated within either of the ...
... stars in the simulated cluster, so it's easy to determine the error of each ... stars in adjacent pixels will probably be perceived by the software as a single ... star cluster in the color-magnitude diagram, the goal is to obtain the sharpest ...
... The mean and standard deviation of sharpness and roundness were printed to assess the star finding process (e.g. trailing, effect of blending). 3. ...