Frequency Analysis

Compute periodograms in period or frequency space for a light curve.

Overview

This plugin exposes the periodogram (in period or frequency space) for an input light curve.

UI Access

User API

User API Example

See the FrequencyAnalysis user API documentation for more details.

import jdaviz as jd
import lcviz
from lightkurve import search_lightcurve
lc = search_lightcurve("HAT-P-11", mission="Kepler",
                       cadence="long", quarter=10).download().flatten()
jd.load(lc, format="Light Curve")
jd.show()

freq = jd.plugins['Frequency Analysis']
freq.open_in_tray()
freq.method = 'Lomb-Scargle'
freq.xunit = 'period'
periodogram = freq.periodogram
print(periodogram)

See also

This plugin uses the following lightkurve implementations:

• lightkurve.periodogram.LombScarglePeriodogram.from_lightcurve()

• lightkurve.periodogram.BoxLeastSquaresPeriodogram.from_lightcurve()