Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Srijan Bharati Das"'
Publikováno v:
The Astrophysical Journal, Vol 970, Iss 1, p 42 (2024)
Magnetic fields in the stellar interiors are key candidates to explain observed core rotation rates inside solar-like stars along their evolution. Recently, asteroseismic estimates of radial magnetic field amplitudes near the hydrogen-burning shell (
Externí odkaz:
https://doaj.org/article/19975c2c97604a109d3ba9aa8cc5ff06
Autor:
Prasad Mani, Chris S. Hanson, Siddharth Dhanpal, Shravan Hanasoge, Srijan Bharati Das, Matthias Rempel
Publikováno v:
The Astrophysical Journal, Vol 965, Iss 2, p 186 (2024)
Magnetic flux emergence from the convection zone into the photosphere and beyond is a critical component of the behavior of large-scale solar magnetism. Flux rarely emerges amid field-free areas at the surface, but when it does, the interaction betwe
Externí odkaz:
https://doaj.org/article/a27fc8f6663a4b8ca63d9f12ddff2aca
Publikováno v:
The Astrophysical Journal Supplement Series, Vol 266, Iss 1, p 1 (2023)
The observed solar oscillation spectrum is influenced by internal perturbations such as flows and structural asphericities. These features induce splitting of characteristic frequencies and distort the resonant-mode eigenfunctions. Global axisymmertr
Externí odkaz:
https://doaj.org/article/eb773af05e744c5db7a0408b3c57ae16
Poster presented at IIA-50 Conference "Advances in Observations and Modelling of Solar Magnetism and Variability"
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9510a28086cc37c35bd6637daa80bfd0
Normal-mode helioseismic data analysis uses observed solar oscillation spectra to infer perturbations in the solar interior due to global and local-scale flows and structural asphericity. Differential rotation, the dominant global-scale axisymmetric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5704183ecb9c1336d26be628a60d286e
Departures from standard spherically symmetric solar models, in the form of perturbations such as global and local-scale flows and structural asphericities, result in the splitting of eigenfrequencies in the observed solar spectrum. Here we describe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d277195462ec80c830decc8b763a280
https://doi.org/10.1002/essoar.10502167.1
https://doi.org/10.1002/essoar.10502167.1
Publikováno v:
The Astrophysical Journal. 897:38
Departures from standard spherically symmetric solar models, in the form of perturbations such as global and local-scale flows and structural asphericities, result in the splitting of eigenfrequencies in the observed spectrum of solar oscillations. D
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf5648406eaadb8a6caa83f2f26bcfc5
https://doi.org/10.3847/1538-4357/ab8e3a
https://doi.org/10.3847/1538-4357/ab8e3a
The outflowing magnetized wind from a host star shapes planetary and exoplanetary magnetospheres dictating the extent of its impact. We carry out three-dimensional (3D) compressible magnetohydrodynamic (MHD) simulations of the interactions between ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c05c4664fa7d237da85002e4baac4e12
Autor:
Rohit Sharma, Judd D. Bowman, Alan R. Whitney, Lincoln J. Greenhill, Victor Pankratius, Eric Kratzenberg, Bryna J. Hazelton, Thiagaraj Prabu, Colin J. Lonsdale, A. Roshi, Brian E. Corey, B. Timar, Divya Oberoi, David Emrich, Robert F. Goeke, Frank H. Briggs, N. Udaya Shankar, M. Waterson, Randall B. Wayth, Roger J. Cappallo, Daniel A. Mitchell, Steven Tingay, Alan E. E. Rogers, Ravi Subrahmanyan, Miguel F. Morales, Eric R. Morgan, Andrew Williams, K. S. Srivani, Stephen R. McWhirter, Melanie Johnston-Hollitt, Avinash A. Deshpande, Rachel L. Webster, Stephen M. Ord, M. J. Lynch, Akshay Suresh, Justin C. Kasper, Srijan Bharati Das, David L. Kaplan, Christopher L. Williams
Low radio frequency solar observations using the Murchison Widefield Array have recently revealed the presence of numerous weak, short-lived and narrow-band emission features, even during moderately quiet solar conditions. These non-thermal features
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33747658a4666013e7f5982efad135d1
https://resolver.caltech.edu/CaltechAUTHORS:20170628-101326021
https://resolver.caltech.edu/CaltechAUTHORS:20170628-101326021
Publikováno v:
Proceedings of the International Astronomical Union. 13:240-241
The age-dependent activity of a star dictates the extent of its planetary impact. We study the interaction of the stellar wind produced by Solar-like stars with the magnetosphere of Earth-like planets using three dimensional (3D) magnetohydrodynamic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::572bc1ec9c6081e2c9ef736f79fc795d
https://doi.org/10.1017/s1743921318001850
https://doi.org/10.1017/s1743921318001850