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Search and characterization of new magnetic cataclysmic variables

Abstract

The increasing number of synoptic surveys made by small robotic telescopes, such as the photometric Catalina Real-Time Transient Survey (CRTS), represents a unique opportunity for the discovery of variable sources, improving the statistical samples of such classes of objects. Our goal is the discovery of magnetic Cataclysmic Variables (mCVs). These are relatively rare objects, which probe interesting accretion scenarios controlled by the white dwarf magnetic field. In particular, improved statistics of mCVs would help to address open questions on their formation and evolution. The primary goal of this project is to increase the number of known systems of the class of mCVs, which comprises Polars and Intermediate Polars. Another important goal is the detailed physical and geometrical characterization of the most relevant individual systems discovered in the primary goal, by observational follow-up of these systems using spectroscopic, polarimetric and photometric techniques. These goals may help to unveil issues associated to magnetically-controlled mass transfer in binary stellar systems, to the source of magnetic fields in compact objects and to the evolution of mCVs. (AU)

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BELLONI, DIOGO; RODRIGUES, CLAUDIA V.; SCHREIBER, MATTHIAS R.; CASTRO, MANUEL; COSTA, JOAQUIM E. R.; HAYASHI, TAKAYUKI; LIMA, ISABEL J.; LUNA, GERARDO J. M.; MARTINS, MURILO; OLIVEIRA, ALEXANDRE S.; PARSONS, STEVEN G.; SILVA, KARLEYNE M. G.; STECCHINI, PAULO E.; STUCHI, TERESA J.; ZOROTOVIC, MONICA. reaking the Degeneracy in Magnetic Cataclysmic Variable X-Ray Spectral Modeling Using X-Ray Light Curve. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, v. 256, n. 2 OCT 2021. Web of Science Citations: 0.
LIMA, I. J.; RODRIGUES, C. V.; LOPES, C. E. FERREIRA; SZKODY, P.; JABLONSKI, F. J.; OLIVEIRA, A. S.; SILVA, K. M. G.; BELLONI, D.; PALHARES, M. S.; SHUGAROV, S.; BAPTISTA, R.; ALMEIDA, L. A. Search for Magnetic Accretion in SW Sextantis Systems. ASTRONOMICAL JOURNAL, v. 161, n. 5 MAY 2021. Web of Science Citations: 0.
LOPES DE OLIVEIRA, R.; BRUCH, A.; RODRIGUES, V, C.; OLIVEIRA, A. S.; MUKAI, K. CTCV J2056-3014: An X-Ray-faint Intermediate Polar Harboring an Extremely Fast-spinning White Dwarf. Astrophysical Journal Letters, v. 898, n. 2 AUG 2020. Web of Science Citations: 0.
OLIVEIRA, A. S.; RODRIGUES, C. V.; MARTINS, M.; PALHARES, M. S.; SILVA, K. M. G.; LIMA, I. J.; JABLONSKI, F. J. Exploratory Spectroscopy of Magnetic Cataclysmic Variables Candidates and Other Variable Objects. II. ASTRONOMICAL JOURNAL, v. 159, n. 3 MAR 2020. Web of Science Citations: 0.

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