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    • 1. VISTA - Visible and Infrared Survey Telescope for Astronomy
    ... Jitter and microsteps . Guide stars, wave-front sensor stars, survey area definition . Estimating On Source Observing Time . ...
    [ Сохраненная копия ]  Ссылки http://www.vista.ac.uk/ -- 31.7 Кб -- 27.11.2014
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    2. http://www.vista.ac.uk/Files/docs/vdfs/cal07_emerson.pdf
    ... 2: based on a network of standard star fields ­ Network of Secondary Standard photometric fields, every 2 hours in RA will be set up with VISTA -2MASS `Touchstone' fields and or UKIRT faint standard fields ­ ~100 stars/detector J<18, s<16 to avoid long ...
    [ Текст ]  Ссылки http://www.vista.ac.uk/Files/docs/vdfs/cal07_emerson.pdf -- 2005.1 Кб -- 14.06.2012
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    3. VISTA Integration Time DIT Recommendations
    ... This should minimise problems with: saturation, persistence, non linearity, dynamic range, and not saturating the 2MASS stars (one or two magnitudes above the 2MASS limit) which used as astrometric references. ...
    [ Сохраненная копия ]  Ссылки http://www.vista.ac.uk/observing/dit.htm -- 10.6 Кб -- 24.10.2012
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    4. http://www.vista.ac.uk/Files/docs/vdfs/6270_30_VDFSStatus.PDF
    ... stars with either a doughnut appearance from heavily saturated regions (+/-128xm pixels either side, where m is the interleave factor m x m from microstepping e.g. 1x1 2x2 3x3, plus progressivel y weaker secondaries further multiples on), or half-moon ...
    [ Текст ]  Ссылки http://www.vista.ac.uk/Files/docs/vdfs/6270_30_VDFSStatus.PDF -- 611.9 Кб -- 14.06.2012
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    5. VISTA - Images of Focal Plane
    ... The two sets in the positive Y (PY) and negative Y (NY) sides of the focal plane cover sufficient area that a suitbale bright star to use should (almost) always be found with their field of view. image: FocalPlane.gif . ...
    [ Сохраненная копия ]  Ссылки http://www.vista.ac.uk/fpa_images.html -- 10.2 Кб -- 24.10.2012
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    6. http://www.vista.ac.uk/Files/docs/PublicSurveys-ESO-Messenger-no127_Arnaboldi.pdf
    ... u t o n e year af ter the sur veys have star ted, and then once per year, until the ... of the Galactic disc and its star-formation histor y. The sur vey will yield a ...
    [ Текст ]  Ссылки http://www.vista.ac.uk/Files/docs/PublicSurveys-ESO-Messenger-no127_Arnaboldi.pdf -- 1405.9 Кб -- 14.06.2012
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    7. http://www.vista.ac.uk/Files/docs/vdfs/Cal-Plan-draft_v1.4.pdf
    ... star fields We discus the details of the two methods below 5.2 Calibration from ... star LOWFS on two stars in parallel Target coordinates, focal plane position to be ...
    [ Текст ]  Ссылки http://www.vista.ac.uk/Files/docs/vdfs/Cal-Plan-draft_v1.4.pdf -- 648.5 Кб -- 20.04.2011
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    8. http://www.vista.ac.uk/Files/docs/VISTA_in_eso-messenger-no117.pdf
    ... Only one chip will be used to autoguide at any time, but a suitably bright guide star may be chosen from either. ... A patrolling mechanism for acquiring a guide star was rejected to minimize moving cryogenic mechanisms. ...
    [ Текст ]  Ссылки http://www.vista.ac.uk/Files/docs/VISTA_in_eso-messenger-no117.pdf -- 919.4 Кб -- 14.06.2012
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    9. http://www.vista.ac.uk/Files/docs/vdfs/VIS-SPE-IOA-20000-0010_v1.6_DRLD.pdf
    ... star in the jth cell is calibrated by: m cal =m inst + ZP - ( X - 1) - ic j (2-37) 2 ... stars and subsequent dark exposures to compute the persistence decay rate Type ...
    [ Текст ]  Ссылки http://www.vista.ac.uk/Files/docs/vdfs/VIS-SPE-IOA-20000-0010_v1.6_DRLD.pdf -- 2679.6 Кб -- 20.04.2011
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    10. http://www.vista.ac.uk/Files/docs/6269_34_IRCamera.PDF
    ... The other two devices have 2048x2048 useful pixels, and are mounted at the two outputs of a cuboid beamsplitter arrangement which provides pre- and post-focal images of a suitable star which are used to analyze the curvature of the wavefront6. ...
    [ Текст ]  Ссылки http://www.vista.ac.uk/Files/docs/6269_34_IRCamera.PDF -- 959.2 Кб -- 14.06.2012
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