A long-term study of the magnetic field and activity in the M giant RZ Ari

• Published in: Astronomy & Astrophysics
• Main Authors: Konstantinova-Antova, R., Georgiev, S., Lèbre, A., Palacios, A., Morin, Julien, Bogdanovski, R., Abbott, C., Baron, F., Aurière, M., Drake, N, A, Tsvetkova, S., Josselin, E., Paladini, C., Mathias, P., Zamanov, R.
• Other Authors: Institute of Astronomy of the Bulgarian Academy of Sciences, Bulgarian Academy of Sciences (BAS), Laboratoire Univers et Particules de Montpellier (LUPM), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM), Georgia State University, University System of Georgia (USG), Institut de recherche en astrophysique et planétologie (IRAP), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France-Centre National de la Recherche Scientifique (CNRS), Observatorio Nacional Rio de Janeiro, Saint Petersburg State University (SPBU), European Southern Observatory Santiago (ESO), European Southern Observatory (ESO)
• Format: Article in Journal/Newspaper
• Language: English
• Published: HAL CCSD 2024
• Subjects: magnetic fields -dynamo -stars activity -stars evolution -stars late-type; magnetic fields -dynamo -stars; activity -stars; evolution -stars; late-type; [SDU.ASTR.SR]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Solar and Stellar Astrophysics [astro-ph.SR]; Ari; narval
• Online Access: https://hal.science/hal-04399760; https://hal.science/hal-04399760/document; https://hal.science/hal-04399760/file/aa46949-23.pdf; https://doi.org/10.1051/0004-6361/202346949

International audience Aims. We present a detailed long-term study of the single M6 III giant RZ Ari to obtain direct and simultaneous measurements of the magnetic field, activity indicators, and radial velocity in order to infer the origin of its activity. We study its magnetic activity in the cont...