dtDownloadArchivedSilsoSunspotsTimeSeries: Fetch the archived SILSO sunspots daily time series

In wegar-2/okeanos.astro.interface:

Description

Fetch full raw archived daily SILSO sunspots time series

Usage

dtDownloadArchivedSilsoSunspotsTimeSeries()

Details

This function fetches the archived time series of sunspots published by SILSO at http://sidc.be/silso/INFO/sndtotcsv.php It is stressed that the returned data is raw (e.g. the rows with missing observations are not excluded, etc.)

Value

data.table in case the fetch is successful; NULL otherwise; The returned data.table has following columns whose names are largely self-explanatory: 1) "date_year", 2) "date_month", 3) "date_day", 4) "date_yearfraction", 5) "sunspot_number", 6) "sunspot_number_std", 7) "number_of_observations_used", 8) "is_value_definitive"

wegar-2/okeanos.astro.interface documentation built on March 15, 2021, 1:17 a.m.