Photometric Recalibration of the Near-Infrared Camera and MultiObject Spectrometer on the Hubble Space Telescope

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

Since 1997 the Near-Infrared Camera and MultiObject Spectrograph (NICMOS) has been a unique science instrument on the Hubble Space Telescope (HST) with diverse abilities. During this time it has accumulated a sizable database of calibration data. There is currently a major effort underway to update the calibration of the NICMOS instrument utilizing this wealth of data. Our poster will detail the preliminary effects and products of the photometric calibration improvements. Current improvements include updated darkfile and flatfield calibration files, enhanced error analysis of the photometry, and updated temperature-dependent photometric zero-points. The products of this recalibration effort will be available to the HST astronomical community in the spring of 2009. HST is operated by the Association of Universities for Research in Astronomy (AURA), Inc. for the National Aeronautics and Space Administration (NASA).

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