ACCESS: absolute color calibration experiment for standard stars

Details ACCESS: absolute color calibration experiment for standard stars ACCESS: absolute color calibration experiment for standard stars

Aug 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008spie.7014e.197k&link_type=abstract

Ground-based and Airborne Instrumentation for Astronomy II. Edited by McLean, Ian S.; Casali, Mark M. Proceedings of the SPI

Astronomy and Astrophysics

Astronomy

3

Scientific paper

ACCESS is a recently approved rocket-borne payload with a ground-based calibration and performance monitoring program that is designed to transfer the National Institute of Standards and Technology (NIST) absolute laboratory standards to the stars with a precision and calibration accuracy of 1% across the 0.35-1.7μm bandpass. This represents a significant improvement in the absolute and relative astrophysical flux calibration system, particularly at near-infrared (NIR) wavelengths. Establishing improved spectrophotometric standards is important for a broad range of missions and is relevant to many astrophysical problems. In particular, the precise calibration of the flux scale across the bandpass extending from 0.35-1.7 μm is fundamental to the precise determination of dark energy measurements based on SNeIa photometry.

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