Perfecting the Photometric Calibration of the ACS CCD Cameras¶
Bohlin, R. C. (2016). Perfecting the Photometric Calibration of the ACS CCD Cameras. The Astronomical Journal, 152(3).
Cited by¶
1 citation across 1 artifact.
Each citation links to the sentence it supports in the citing article.
Primes¶
- Instrument Interpretive Drift
- in astronomical photometry (detector sensitivity drifting across years even at constant stated specification),
This sourceDocuments detector sensitivity drift over years in Hubble ACS CCD cameras at constant stated specification, corrected by repeated re-measurement against fixed white-dwarf flux standards — the photometric frozen-reference analogue.
SupportedVerified against the work's full text
Bohlin measures a steady sensitivity loss of about 0.061% per year in every Hubble ACS CCD filter after 2009, traced to outgassing, and corrects for it in the calibration.
“The robust set of new post-SM4 data reve als a sensitivity loss for all filters of 0.061%/yr, so that by 2017, the change in sensitivity will reach 0.5% from the time of the 2009 SM4.”
- in astronomical photometry (detector sensitivity drifting across years even at constant stated specification),
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