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arXiv 1108.0919astro-ph.IM
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IRS-TR 11002:红色峰上升子阵列采集图像的校准

IRS-TR 11002: Calibration of the Acquisition Images from the Red Peak-Up Sub-Array

G. C. Sloan, D. A. Ludovici

摘要:

我们提出了一个校准的采集数据的红峰(PU)子阵列上的红外光谱仪斯皮策,根据重复观测的三个K巨星。该校准直接与基于Spitzer多波段成像光度计数据的最新红外校准相关。红色PU子阵列的响应度分析显示,在最新的管道版本中,没有可检测到的线性偏差,但旧的管道版本显示出可能存在小的非线性的证据。

英文摘要:

We present a calibration of the acquisition data obtained by the Red Peak-Up (PU) sub-array on the Infrared Spectrograph on Spitzer, based on repeated observations of three K giants. This calibration is tied directly to the most current infrared calibration based on data from Multiband Imaging Photometer for Spitzer. An analysis of the responsivity of the Red PU sub-array reveals no detectable deviations from linearity in the most recent pipeline version, but older pipeline versions show evidence suggesting possible small non-linearities.

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