... An object database implemented in C ++ has been built (`StarBase') which has shown itself to provide fast access to approximately one hundred observations of several million-starstar fields made by the MOA mosaic SITe CCD. ...
... each observation, the PSF position coincides with the peak position of a bright star ... by averaging the images of several bright stars in the initial restored frame ...
... Next: A Multidimensional Binary Search Tree for Star Catalog Correlations . Up: Astrostatistics and Databases . ... E.g., a user might ask for all queries which have the words `Guide Star' in their descriptions. ...
... a set of calibration exp osures (with two stars) using the StrЁ gren uvby filters ... The two calibration stars are seen as squares. ... The two bright ob jects are stars. panding into a background image. ...
[
Текст
]
Ссылки http://www.adass.org/adass/proceedings/adass96/reprints/lindepe.pdf -- 496.9 Кб -- 14.01.1998 Похожие документы
... number of stars which may require measurement as a single group, cause a variety of practical problems for star detection and ... Star detection is improved because the actual HST PSF shape, in all its complexity, is used (via deconvolution) to ...
... Next: Refining the Guide Star Catalog: Plate Evaluations . ... provides times for events such as guide-star acquisition, slew, beginning and end of ... File, marking beginnings and ends of observations, guide-star acquisitions, etc ...
... error signal is taken from an independent star tracker centered on a guide star (using the visible part of its spectrum ... for: 1) Stars from an uncorrected image, 2) Stars from a corrected image using a reference (see algorithm 1), 3) Stars from a ...
... For example, QDPHOT takes a few seconds to analyze 2 Hubble Space Telescope WFPC2 frames containing thousands of stars in Local Group star clusters (Mighell 2000). ...
[
Текст
]
Ссылки http://www.adass.org/adass/proceedings/adass03/reprints/P8-3.pdf -- 85.4 Кб -- 27.08.2004 Похожие документы
... Next: BDB - a database for all types of double stars . Up: Image Restoration . ... where physicists and astrophysicists from various areas (solar physics, stars, planets, interstellar medium) met. ...