Ca II K spectroheliograms for studies of long-term changes in solar irradiance

Date Issued
2018
Author(s)
CHATZISTERGOS, THEODOSIOS
•
•
Krivova, Natalie A.
•
Solanki, Sami K.
DOI
Abstract
We address the importance of historical full-disc Ca II K spectroheliograms for solar activity and irradiance reconstruction studies. We review our work on processing such data to enable them to be used in irradiance reconstructions. We also present our preliminary estimates of the plage areas from five of the longest available historical Ca II K archives.
Coverage
Long-term Datasets for the Understanding of Solar and Stellar Magnetic Cycles
Series
Volume
vol. 13, S340
Issue
S340
Start page
125
Conferenece
Long-term Datasets for the Understanding of Solar and Stellar Magnetic Cycles
Conferenece place
Jaipur, India
Conferenece date
19- 23 February, 2018
Uri
Url
Issn Identifier
1743-9213
Ads BibCode
2018IAUS..340..125C
Rights
open.access
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