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target_id int64 893k 13M | flux listlengths 391 62.2k | time listlengths 391 62.2k | n_points int32 391 62.2k | duration_days float64 9.71 1.47k | Teff float64 2.66k 15.9k ⌀ | logg float64 -0.06 5.28 ⌀ | radius float64 0.12 301 ⌀ | mass float64 0.09 3.72 ⌀ | FeH float64 -1.98 0.56 ⌀ | age float64 0.1 19.2 ⌀ | Prot float64 0.2 65.3 ⌀ | e_Prot float64 0 13.8 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
7,283,273 | [1.0024701356887817,1.0028468370437622,1.002879023551941,1.0026986598968506,1.0027999877929688,1.002(...TRUNCATED) | [131.51234468756593,131.53277925532166,131.5532137230839,131.5736480907217,131.59408255836752,131.61(...TRUNCATED) | 59,546 | 1,459.489015 | 6,181 | 4.433 | 1.001 | 0.989 | -0.3 | 1.72 | 7.857 | 0.01 |
7,509,432 | [1.03216552734375,1.0318198204040527,1.0317087173461914,1.0319061279296875,1.0318922996520996,1.0318(...TRUNCATED) | [120.53948194222903,120.55991636214458,120.58035068205936,120.60078520173556,120.62121962141828,120.(...TRUNCATED) | 53,713 | 1,470.46237 | 6,240 | 3.957 | 1.928 | 1.229 | -0.08 | 4.27 | null | null |
7,939,024 | [1.0021307468414307,1.0017926692962646,1.0021464824676514,1.0019606351852417,1.0019539594650269,1.00(...TRUNCATED) | [1001.2283222007391,1001.2487552122548,1001.2691881235442,1001.2896211345942,1001.31005394565,1001.3(...TRUNCATED) | 7,690 | 271.82882 | 6,585 | 4.154 | 1.487 | 1.148 | -0.28 | 4.72 | null | null |
3,759,444 | [0.9595221281051636,0.9587517380714417,0.9587481021881104,0.9588742256164551,0.958811342716217,0.958(...TRUNCATED) | [120.538975348034,120.55940997185098,120.57984449572541,120.62071384335286,120.64114836711087,120.66(...TRUNCATED) | 7,461 | 228.956448 | 4,795 | 2.498 | 15.36 | 2.709 | 0.07 | 1.45 | null | null |
7,761,974 | [1.0150928497314453,1.0153043270111084,1.015514612197876,1.0151580572128296,1.0152983665466309,1.015(...TRUNCATED) | [131.51211652866914,131.53255111062754,131.593854456165,131.61428903789783,131.63472341962915,131.65(...TRUNCATED) | 52,173 | 1,459.489015 | 5,767 | 4.559 | 0.837 | 0.927 | -0.22 | 2.64 | null | null |
7,512,970 | [1.0319750308990479,1.0317716598510742,1.0319466590881348,1.0321389436721802,1.0322214365005493,1.03(...TRUNCATED) | [120.5393787701978,120.5598132050145,120.58024753983045,120.60068207452423,120.62111650922452,120.64(...TRUNCATED) | 56,092 | 1,470.462361 | 5,931 | 4.479 | 0.866 | 0.825 | -0.6 | 7.93 | null | null |
3,439,976 | [1.0259127616882324,1.0261591672897339,1.0258370637893677,1.0259993076324463,1.025939702987671,1.026(...TRUNCATED) | [131.5126621129166,131.53309676810022,131.55353132329037,131.57396577823965,131.59440033319697,131.6(...TRUNCATED) | 58,690 | 1,459.488873 | 5,985 | 4.574 | 0.811 | 0.91 | -0.5 | 2.8 | null | null |
5,126,463 | [1.0372445583343506,1.0374953746795654,1.0388219356536865,1.0386935472488403,1.0381360054016113,1.03(...TRUNCATED) | [352.3971361177246,352.4584343852257,352.478867141559,352.49929989813245,352.5197326549387,352.54016(...TRUNCATED) | 51,259 | 1,238.603764 | 5,783 | 4.539 | 0.88 | 0.977 | -0.08 | 0.64 | null | null |
8,283,996 | [1.0363060235977173,1.0370126962661743,1.0372393131256104,1.0380653142929077,1.0375664234161377,1.03(...TRUNCATED) | [131.51272779735154,131.53316223437287,131.5535965712843,131.57403080807126,131.59446514474985,131.6(...TRUNCATED) | 59,890 | 1,459.489147 | 4,873 | 4.664 | 0.591 | 0.587 | -0.92 | 18.53 | 1.091 | 0.003 |
12,458,557 | [0.9955410361289978,0.99571692943573,0.9964327812194824,0.995576798915863,0.9958555698394775,0.99581(...TRUNCATED) | [131.51200291604619,131.53243723641936,131.57330557705427,131.59373979731754,131.61417411746515,131.(...TRUNCATED) | 60,021 | 1,459.48936 | 5,774 | 4.567 | 0.818 | 0.907 | -0.3 | 2.3 | null | null |
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Kepler Stellar Lightcurves
Complete Kepler mission lightcurves for ~190,000 stars, paired with stellar parameters. Each shard contains 500 stars.
Fields
| Field | Type | Description |
|---|---|---|
target_id |
int | Kepler Input Catalog (KIC) ID |
flux |
list<float32> | Brightness measurements, normalised to median = 1.0 |
time |
list<float64> | Timestamps (BJD - 2454833.0, days) |
n_points |
int | Number of measurements |
duration_days |
float | Observation span |
Teff |
float | Effective temperature (K) |
logg |
float | Surface gravity (dex) |
radius |
float | Stellar radius (R☉) |
mass |
float | Stellar mass (M☉) |
FeH |
float | Metallicity [Fe/H] (dex) |
age |
float | Stellar age (Gyr) |
Processing
Extracted from Kepler DR25 FITS files with minimal transformation:
- PDCSAP_FLUX used (Kepler pipeline already removed spacecraft systematics)
- Quality-flagged points removed (
SAP_QUALITY == 0only) - NaN values removed
- All quarters stitched into one time series per star
- Flux divided by median (normalised to ~1.0)
No detrending, flattening, or outlier removal applied.
Stellar Parameter Sources
- Teff, logg, radius, mass, FeH: NASA Exoplanet Archive Q1-Q17 DR25 Supplemental Stellar (Mathur et al. 2017)
- Age: Berger et al. (2020) Gaia-Kepler Stellar Properties Catalog
Raw Data
FITS files from MAST: https://archive.stsci.edu/missions-and-data/kepler/kepler-bulk-downloads
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