nist-gov/www.nist.gov/publications/calibration-astrophysics-using-artificial-star-nist-traceable-distribution-luminous
2025-03-05 18:59:57 +00:00

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<h1 class="nist-page__title">Calibration for Astrophysics using an Artificial star with NIST-traceable Distribution of Luminous Energy (CANDLE) Instrument Development</h1>
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<div class="nist-field__label">Published</div>
<div class="nist-field__item"><time datetime="2024-08-23T12:00:00Z">August 23, 2024</time>
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<h3 class="nist-field__label">Author(s)</h3>
<div class="nist-field__item"><span class="nist-author">Joseph P. Rice</span>, <span class="nist-author">Brian Alberding</span>, <span class="nist-author">Susana Deustua</span>, <span class="nist-author">Thinh Bui</span>, <span class="nist-author">Eric Shirley</span>, <span class="nist-author">Keshet Shavit</span>, Eliad Peretz, <span class="nist-author">Daniel Kuesters</span>, <span class="nist-author">Greg Aldering</span>, <span class="nist-author">Dmitry Vorobiev</span>, <span class="nist-author">Jonathan Papa</span>, Justin Albert, <span class="nist-author">Ralph Bohlin</span>, <span class="nist-author">Benjamin Rose</span>, Piotr Pachowicz, <span class="nist-author">Peter Plavchan</span>, <span class="nist-author">Angella Tanner</span>, John Mather, <span class="nist-author">Jean Thomas Landry</span>, <span class="nist-author">Etienne Gauvin</span>, <span class="nist-author">Thomas Michaud=Bayens</span>, <span class="nist-author">Greg Kopp</span></div>
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<h3>Abstract</h3>
The CANDLE Engineering Demonstration Unit (EDU) was selected by the 2022 APRA program to develop and demonstrate that we can reach the flux accuracy and range required for an artificial star. A critical issue in producing accurate and reliable flux calibration is systematic effects; adding this EDU is on the path to provide an artificial star calibration payload outside Earth's atmosphere with SI-traceable calibration that enables accurate throughput characterization of astronomical and earth science observatories in space and on the ground. Such a payload could be carried independently on a dedicated platform such as an orbiting satellite, e.g. ORCAS, by a star shade at L2, or some other independent platform to enable accurate end-to-end throughput vs. wavelength calibration that can be measured repeatedly throughout the operational lifetime of an observatory. Once calibrated, the observatory is enabled to carry out astrophysical programs whose science objectives demand high accuracy and/or high precision observations. One specific and immediate application is establishing SI-traceable standard stars beyond the current limited set.
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<div class="nist-field__item">13092</div>
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<div class="nist-field__item">June 16-21, 2024</div>
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<div class="nist-field__item"><a href="https://doi.org/10.1117/12.3020319" target="_blank">https://doi.org/10.1117/12.3020319</a></div>
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<div class="nist-field__item">Calibration, Standard Stars, Flux, Spectral Irradiance, Cosmology, Satellite, Artificial Star</div>
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Rice, J.
, Alberding, B.
, Deustua, S.
, Bui, T.
, Shirley, E.
, Shavit, K.
, Peretz, E.
, Kuesters, D.
, Aldering, G.
, Vorobiev, D.
, Papa, J.
, Albert, J.
, Bohlin, R.
, Rose, B.
, Pachowicz, P.
, Plavchan, P.
, Tanner, A.
, Mather, J.
, Landry, J.
, Gauvin, E.
, Michaud=Bayens, T.
and Kopp, G.
(2024),
Calibration for Astrophysics using an Artificial star with NIST-traceable Distribution of Luminous Energy (CANDLE) Instrument Development, SPIE, Yokohama, JP, [online], https://doi.org/10.1117/12.3020319, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=958127
(Accessed March 4, 2025)
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Created August 23, 2024, Updated October 1, 2024
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