Method · space photometry / transit search

Sliding-box dip search with injection-recovery for TESS light curves

Extend the TESS dip record to the 2024 sectors with a detrending window long enough to keep day-long dips, and quantify what depth would have been seen.

Space photometry / transit searchVersion 1.0Licence MIT1 runUsed on 1 mystery

Questions it answers

Has the dipping stopped, or does it come in episodes?

Code Python

Download module (.py)analyze_tess.pyView source

Runs and results 1 run

Run	Mystery	Measured	Result	Against	Date
RUN0DDYGPXAR29F	Tabby's	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

Applied to

Tabby's star (KIC 8462852)

1 datasetTESS light curves of TIC 185336364 (KIC 8462852), Sectors 14-82, as flat CSV

Sliding-box dip search with injection-recovery for TESS light curves

Questions it answers

Code Python

Runs and results 1 run

Applied to

References