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Browsing by Author "Ermolli, Ilaria"

Browsing by Author "Ermolli, Ilaria"

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  • Chatzistergos, Theodosios; Ermolli, Ilaria; Krivova, Natalie A; Solanki, Sami K; Banerjee, D; Barata, Teresa; Belik, Marcel; Gafeira, Ricardo; Garcia, Adriana; Hanaoka, Yoichiro; Manjunath, H; Klimes, Jan; Korokhin, Viktor V; Lourenço, Ana; Malherbe, Jean-Marie; Marchenko, Gennady P; Peixinho, Nuno; Sakurai, Takashi; Tlatov, Andrey G (EDP Sciences, 2020-07)
    Context. Studies of long-term solar activity and variability require knowledge of the past evolution of the solar surface magnetism. The archives of full-disc Ca II K observations that have been performed more or less ...
  • Jha, Bibhuti K; Chatzistergos, Theodosios; Banerjee, D; Ermolli, Ilaria; Krivova, Natalie A; Solanki, Sami K; Priyadarshi, Aditya (Springer Nature, 2024-12)
    Ca II K observations of the Sun have a great potential for probing the Sun’s magnetism and activity, as well as for reconstructing solar irradiance. The Kodaikanal Solar Observatory (KoSO) in India, houses one of the most ...
  • Mishra, Dibya Kirti; Jha, Bibhuti K; Chatzistergos, Theodosios; Ermolli, Ilaria; Banerjee, D; Upton, Lisa A; Khan, M. Saleem (American Astronomical Society, 2025-04-01)
    The Sun's polar magnetic field is pivotal in understanding solar dynamo processes and forecasting future solar cycles. However, direct measurements of the polar field have only been available since the 1970s. The chromospheric ...
  • Chatzistergos, Theodosios; Ermolli, Ilaria; Solanki, Sami K; Krivova, Natalie A; Banerjee, D; Jha, Bibhuti K; Chatterjee, Subhamoy (Springer, 2019-10)
    Full-disc Ca II K photographic observations of the Sun carry direct information as regards the evolution of solar-plage regions for more than a century and are therefore a unique dataset for solar-activity studies. For a ...
  • Mishra, Dibya Kirti; Routh, Srinjana; Jha, Bibhuti K; Chatzistergos, Theodosios; Basu, Judhajeet; Chatterjee, Subhamoy; Banerjee, D; Ermolli, Ilaria (American Astronomical Society, 2024-01-20)
    Chromospheric differential rotation is a key component in comprehending the atmospheric coupling between the chromosphere and the photosphere at different phases of the solar cycle. In this study, we therefore utilize the ...

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