Answer · Tabby's star (KIC 8462852)
The activity that produced the dips has ended or declined.
The activity that produced the dips has ended or declined.
Where it stands
Still possibleIts test haven't settled it: two pieces of evidence for, one against. It needs two reviews to be accepted.
What it predicts
- No dips deeper than about 0.5 per cent in future monitoring.
What would rule it out
- A new deep dip.
Evidence 2 for · 1 against
FOR
Tested by 1 run
| Run | Measured | Result | Against | Decision | Date |
|---|---|---|---|---|---|
| Run | deepest box-dip SNR and depth per sector; recovery fraction per depth and duration | {'S014': {'deepest_snr': 5.2, 'scatter_pct': 0.106, 'deepest_depth_pct': 0.09}, 'S015': {'centre_utc': '2019-09-03T14:55', 'centre_btjd': 1730.121, 'deepest_snr': 76.2, 'scatter_pct': 0.123, 'deepest_depth_pct': 1.11, 'duration_days_box': 0.5}, 'S041': {'deepest_snr': 4.6, 'scatter_pct': 0.107}, 'S054': {'deepest_snr': 6.3, 'scatter_pct': 0.125, 'deepest_depth_pct': 0.17}, 'S055': {'deepest_snr': 4.9, 'scatter_pct': 0.108}, 'S081': {'deepest_snr': 4.2, 'scatter_pct': 0.176, 'deepest_depth_pct': 0.12, 'sap_bkg_decorrelated_deepest_snr': 7.9}, 'S082': {'deepest_snr': 3.5, 'scatter_pct': 0.159, 'sap_bkg_decorrelated_deepest_snr': 6.4}, 'recovery_2day_and_longer': 'about 0', 'recovery_0.5pct_1day_quiet_sectors': '0.90-1.00'} | yang2026 no dips > 0.5 per cent 2019-2022 with 0.56-day window; Sectors 81-82 not analysed | Sectors 14, 41, 54, 55, 81 and 82 show no dip of 0.5 per cent or deeper at 0.25-1 day durations, with 90-100 per cent recovery at that depth; the record of no short dips extends to August 2024. Sector 15 holds a 1.11 per cent symmetric dip on 2019-09-03 that the published 0.56-day-window analysis removed. The search is blind to dips of 2 days and longer. |
The questions it answers
Most likelyDipping comes in episodes separated by years of quiet, with no strict period
Cite it
Mysteries Department. (2026). The activity that produced the dips has ended or declined. [Answer ANS0D8E7KDM7HCY]. https://mysteriesdept.com/r/ANS0D8E7KDM7HCY
@misc{mysteriesdept_ans0d8e7kdm7hcy,
title = {The activity that produced the dips has ended or declined.},
author = {{Mysteries Department}},
year = {2026},
note = {Answer, catalog key ANS0D8E7KDM7HCY},
url = {https://mysteriesdept.com/r/ANS0D8E7KDM7HCY}
}