... Extraction Even though for sky subtraction we could safely ignore the slight curvature of dispersed spectra on the CCD, for the extraction of the object signal this is no longer possible. ...
[
Текст
]
Ссылки http://www.stecf.org/goods/spectroscopy/CDFS_Mastercat/szokoly04.ps -- 1186.7 Кб -- 16.09.2004 Похожие документы
... One important factor that increases the local sky brightness is the artificial sources of urban lights, or namely light ... from sources in an urban area to be scattered, creating the halo of light visible over the city even from great distances ...
... 2006 Study of P-even time-reversal noninvariant amplitude in (n,??)-reactions . ... Okunev I.S. , Parzhitski S.S. , Popov Yu P., Tchuvil'sky Yu M. в сборнике Proceedings of XIII Intern. ...
... It shows position of the Sun on the sky in the same time of a day during one year. ... the annual movement of the Sun on the sky - is well known among experts of sun-dials ...
... Look out of any window, any morning, any evening, any day. Maybe the sun is shining, birds are singing, . ... No rain is falling from a heavy sky. What do you want me to do, to do for you to see you through? ...
... Typical systems can be set to display the sky at any point in time, past or present, and often to show the night sky as it would appear from any point of freedom on Earth. ...
... If the center of the mapped sky region is situated not far from the opposition point and its angular dimensions are not too ... In other case positions of some part of minor planets or even all can be found without perturbations.. ...
... Thus, for an ancient Greek it was perfectly possible to know/believe that a bright object in the eveningsky is Hesperus without knowing/believing that it is Phosphorus. ...
... 2010] Exploring the Accelerator Sky The accelerator sky Is it a good deal? ... sky Dieter Horns University Hamburg Is it a good deal? [astro-ph/0607109] Unveiling Cosmic Ray accelerators: Interstellar ...
... On December 23 the sun stayed in the sky longer and longer and after that the nights were becoming shorter and shorter. ... When this happened, the primitive man was very happy. He even felt he wanted to celebrate it. ...