... These signals are sup erimp osed on a sky signal due to zodiacallight of 1 detected photon p er second. 4. ... The primary source of the background is zodiacallight which is primarily reflected light rather than thermal emission at the ...
[
Текст
]
Ссылки http://www.stsci.edu/hst/HST_overview/documents/calworkshop/workshop2005/papers/thompson.pdf -- 228.1 Кб -- 04.04.2006 Похожие документы
... Limits on zodiacallight contribution are also given. ... is dominated by the detector, by zodiacallight in the visible and by geocoronal ... The average zodiacallight background of 120 S10 corresponding toV @ 23 magnitudes ...
[
Текст
]
Ссылки http://www.stsci.edu/ftp/instrument_news/FOC/Foc_handbook/v7/handbookv7_ch06.ps -- 1776.9 Кб -- 10.05.1996 Похожие документы
... It causes the observation to be scheduled at the time of year when the zodiacal background light is within 30% of the minimum possible background value for the target, and . ...
... It causes the observation to be scheduled at the time of year when the zodiacal background light is within 30% of the minimum possible background value for the target, and . ...
... It causes the observation to be scheduled at the time of year when the zodiacal background light is within 30% of the minimum possible background value for the target, and . ...
... In addition to the zodiacallight background, a 1.083 µm emission line in the Earth?s upper atmosphere often appears in exposures obtained while the spacecraft is outside of the earth?s shadow (see Section 7.9.5 ). ...
... The background is a combination of in-field zodiacallight, scattered thermal emission from the sunshield and telescope, scattered starlight, and scattered zodiacallight. ...