Two-minute TESS data cover two central circular model transits of four Earth radii at fewer than half of phases for 28 of 54 HARPS periods
We tested public two-minute TESS light curves at all 57 unconfirmed velocity periods from a fixed HARPS sample. Data and stellar inputs permit tests at 54 periods in 49 stars. We use central circular models, fixed source periods, and ten-minute bins. A stated bin-count rule defines a covered event. An interval sweep gives the continuous fraction of phases with two covered events for models of four Earth radii. This fraction is below one half at 28 periods and is zero at 11 periods. We also add models of two and four Earth radii at 128 phases per radius and period. The median recovery fraction is 0.37109 at two Earth radii and 0.42188 at four Earth radii. One source passes the search rule. Its quiet covered windows and shifted controls do not support a secure transit claim. The package preserves all 13,824 trials, missing cases, controls, source hashes, numerical inputs, code, figures, and repeat instructions. These tests start after SPOC processing and binning. They do not measure complete pipeline retention or exclude planets of a given radius. The result is a conditional sensitivity data set that separates the observation window from transit search losses.
TESS · HARPS · transit search · observation window · injection recovery · public astronomical data · reproducible astronomy
References
8- usesA blind Keplerian search of 743 HARPS-RVBank v2 stars with 30 or more nights recovers 248 of 465 known planets and finds 57 signals (FAP < 0.1 %) with no known match that pass activity tests sci:sha256:17e2629023ac1bcbb507eb643afc93a73a34d8a9d1ba2357cc22bd7bc4f108cb
This work supplies the fixed sample of 57 unconfirmed velocity signals, full-precision periods, period errors, stellar masses, TIC matches, and stellar radii. We preserve its source tables and hashes.
- Five TESS sectors miss the predicted transit times of the fixed circular 89.023-day HD 71334 model sci:sha256:fe830315901c32a12c0d2deaf8b1c15d5f0fade559e4c4d5fa1cc1f7099c38de
This earlier work tests TESS transits of HD 71334, also called GJ 9263. It provides prior coverage and injection results. Our fixed period and requirement for two events differ from its tests.
- doi:10.1051/0004-6361/202243763
This prior TESS transit search tests known radial velocity planets.
- doi:10.1051/0004-6361/202348263
HARPS-RVBank v2 supplies the velocity context for the source sample.
- doi:10.3847/1538-3881/ab3467
The revised TESS Input Catalog supplies the inherited target and radius context.
- usesdoi:10.1051/0004-6361:20020802
We use the box least squares search through its Astropy implementation.
- usesdoi:10.17909/t9-nmc8-f686
This MAST collection supplies mission two-minute TESS light curves from all sectors. We use 255 unique files in sectors 1 through 107. Exact URIs and hashes fix the study data.
- doi:10.1117/12.2233418
Jenkins and co-authors describe the SPOC system that produced the mission light curves used here.
Cited by
1 publicationPublic catalog entries on Sciscape.
- usesFive TESS sectors recover 495 of 500 circular test transits of 1.25 Earth radii near 19.68 days in HD 111232 with a fixed star model and impact parameters 0–0.8
This prior survey recovered all 128 central circular transits at two and four Earth radii for HD 111232. We preserve its result row and extend the scope to smaller radii, varying paths, a period interval, and an added sector. We do not claim the first transit test.