Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010hstc.worke..10k&link_type=abstract
"2010 Space Telescope Science Institute Calibration Workshop - Hubble after SM4. Preparing JWST, held 21-23 July 2010 at Space T
Astronomy and Astrophysics
Astrophysics
Scientific paper
ACCESS, Absolute Color Calibration Experiment for Standard Stars, is a series of rocket-borne sub-orbital missions and ground-based experiments designed to enable improvements in the precision of the astrophysical flux scale through the transfer of absolute laboratory detector standards from the National Institute of Standards and Technology (NIST) to a network of stellar standards with a calibration accuracy of 1% and a spectral resolving power of 500 across the 0.35-1.7 μm bandpass. Establishing improved spectrophotometric standards is important for a broad range of missions and is relevant to many astrophysical problems. Systematic errors associated with problems such as dark energy now compete with the statistical errors and thus limit our ability to answer fundamental questions in astrophysics. The ACCESS payload and ground calibration components currently span a range of readiness levels extending from the design phase, through procurement, fabrication, and component test phases. The strategy for achieving a <1% spectrophotometric calibration accuracy, a description and status of the instrument and the ground calibration system, and the NIST traceability components are discussed.
Benford Dominic J.
Bohlin Ralph Charles
Deustua Susana
Dixon William V.
Feldman Paul D.
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