- Start
- Jun 30, 202750% CONFIDENCEfrom the source
SKA-Low Opens Science Verification at AA2
- SKAO's science-operations timeline sets SKA-Low's AA2 stage, and with it the start of Science Verification, at 2027, followed by AA* in 2029 and Cycle 0 in 2030[1]
- AA2 for SKA-Low comprises 68 stations spread over a maximum baseline of 65 km[1]
- AA2 observations are single-subarray, single-beam and single-pointing, capped at 4 hours, delivering calibrated and gridded visibilities and image cubes[1]
- AA2 is the start of science verification, used to check the system against science requirements and to test observing modes; SKAO says performance at AA2 already matches or beats existing facilities on sensitivity[1]
- SKA-Mid's own AA2 science verification follows in 2029[1]
References 263% CONFIDENCE
The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
- [1]50%skao.int/sites/default/files/documents/Sciops_timeline_low_ppt.pdfskao.int· Posted Sep 21, 2026· Starts Jun 30, 2027 ✓· 50% of score
SKAO's own science-operations timeline puts SKA-Low's AA2 Science Verification at 2027, and the observatory has said verification is offered with AA2 in the first half of that year; with no day announced the pin takes the end of the stated window.
- [2]75%Square Kilometre Arrayen.wikipedia.org· Added Sep 21, 2026· 50% of score
Background on the array's design and the two telescope sites.[1]
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