Sentences with phrase «sunspot number series»
Sunspot number series are composed from observations of hundreds of different observers that require careful normalization to standard conditions.
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Over the past 4 years a community effort has been carried out to revise entirely the historical sunspot number series.
Hundreds of lines of codes are adapted for the new sunspot number series and for the new array of data files.
On this occasion, we slightly modified our data section: graphics and predictions can now be found in the new «Products» section, which gathers all data products derived from our primary sunspot number series, including our monthly sunspot bulletins.
On July 1st, 2015, the sunspot number series has been replaced by a new improved version (version 2.0) that includes several corrections of past inhomogeneities in the time series.
Next to the recalibration of the data series, three main innovations come with the new sunspot number series:
This new window on the Sunspot Number is just the visible part of an ongoing modernization and expansion of the historical Sunspot Number series that started several months ago.
Not exact matches
Vaughan Pratt December 13, 2012 at 12:21 am said:» The experiment Leif Svalgaard asked me to do was simply to apply to SSN (the time series of sunspot numbers since 1750)»
Our other data products (EISN: daily estimated sunspot number, 12 - month forecasts) have been adapted to match the scale of the main sunspot time series, but the file names and formats remain unchanged.
As these are research products, those series cover a fixed time interval, and are not updated and extended on a monthly basis like the Sunspot Number.
Next to the Sunspot Number data, we now also distribute the Group Number time series, which extends futher back to 1610.
Since July 1st 2015, the original Sunspot number data have been replaced by a new entirely revised data series.
The new series of the sunspot group numbers with monthly and annual resolution is provided forming a basis for new studies of the solar variability and solar dynamo for the last 250 yr.