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Orgasm arose everywhere The first full-color images from the James Webb Space Telescope It may have influenced scientists, too. In the midst of joy they did not notice it The telescope’s most important instruments are not fully calibrated.
calibration Especially important in the case of things that require high precision in measurements. This includes, inter alia, the father. weak and distant galaxies, And the new observatory really captured a lot.
several days After publishing the first pictures from Webbreal back Flood of research papers that have not yet been reviewedIt proposes the discovery of the most distant galaxies in the universe. The search was based on The brightness of distant objects, measured at wavelengths of different lengths.
Upon receipt of the new calibration kit, it is done It was completely different from what astronomers were working onSome researchers were horrified. Fortunately, it turns out that its predecessors Scientific work is not useless. After processing it, taking into account calibration errors, the most distant galaxy known to us still holds its place in the ranking.
next one A round of calibration updates on the James Webb Space Telescope It is not expected until the coming weeks. They should reduce existing violations From tens of percentage points to just a few points. Therefore, the quality of the evidence is expected to improve in the near future.
all telescope Requires calibration of its detectors. This is usually done on a well-understood star. in the northern sky One of those stars is Wega. Scientists analyze the data collected in this way and correct them in this way Consistent with other telescope measurements.
In case From the Web Space Telescope It raises the greatest suspicion One of the main search tools In the form of a near-infrared camera (NIRCam). So far, researchers from STScI calibrated itBut it only took time to check this on one or two calibrated stars. The remaining instrumentation calibrations were then estimated. As it turned out, that wasn’t enough.
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