58 citations · 233 across the 18 of their papers we have counts for
18 papers
Observational insights into Sr I 4607 Å scattering polarization with DKIST/ViSP
Franziska Zeuner, Ernest Alsina Ballester, Luca Belluzzi +4
Scattering polarization signals in the Sr I 4607 Å spectral line are among the strongest originating from the solar photosphere, offering a powerful diagnostic of tangled magnetic…
3D radiative transfer modeling of scattering polarization with partial frequency redistribution I. Verification and disk-center results for the solar Ca I 4227 Å line
Pietro Benedusi, Simone Riva, Tanausú del Pino Alemán +6
Several strong solar resonance lines show observable linear scattering polarization signals, holding a great potential for investigating the magnetism of the outer solar atmosphere…
DKIST resolves sub-arcsec photospheric scattering polarization
Franziska Zeuner, Luca Belluzzi, Ernest Alsina Ballester +4
Scattering polarization signals offer a unique diagnostics of the physical conditions in the solar atmosphere, in particular magnetic fields via the Hanle effect. However, their sp…
The magnetic sensitivity of the Ca II resonance and subordinate lines in the solar atmosphere
I. Juanikorena Berasategi, E. Alsina Ballester, T. del Pino Alemán +1
Aims: The polarization of the Ca II resonant doublet (H and K lines) and the subordinate infrared triplet lines are key observables for diagnosing solar chromospheric magnetism. It…
A numerical approach for modelling the polarisation signals of strong resonance lines with partial frequency redistribution. Numerical applications to two-term atoms and plane-parallel atmospheres
Fabio Riva, Gioele Janett, Luca Belluzzi +6
Aims. The main goal of this paper is to present an accurate and efficient numerical strategy for solving the radiative transfer problem for polarised radiation in strong resonance…
Full Stokes-vector inversion of the solar Mg II h & k lines
Hao Li, Tanausú del Pino Alemán, Javier Trujillo Bueno
The polarization of the Mg II h & k resonance lines is the result of the joint action of scattering processes and the magnetic field induced Hanle, Zeeman, and magneto-optical effe…
Magnetic field diagnostics of prominences with the Mg II k line: 3D Stokes inversions versus traditional methods
Jiří Štěpán, Tanausú del Pino Alemán, Javier Trujillo Bueno
The Mg II k resonance line is commonly used for diagnosing the solar chromosphere. We theoretically investigated its intensity and polarization in solar prominences, taking 3D radi…
Accurate PRD modeling of the forward-scattering Hanle effect in the chromospheric CaI 4227 Å line
Luca Belluzzi, Simone Riva, Gioele Janett +7
Measurable linear scattering polarization signals have been predicted and detected at the solar disk center in the core of chromospheric lines. These forward-scattering polarizatio…
Observation and Modeling of the circular polarization of the Cr I magnetic field induced transition at 533.03 nm
Hao Li, Tanausú del Pino Alemán, Javier Trujillo Bueno +1
We study the circular polarization of the magnetic field induced transition (MIT) between the and states of \ion{Cr}{1} at 533.03~nm…
The potential of the wavelength-integrated scattering polarization of the hydrogen Ly-alpha line for probing the solar chromosphere
Ernest Alsina Ballester, Luca Belluzzi, Javier Trujillo Bueno
The intensity and the linear scattering polarization profiles of the hydrogen Ly-alpha line encode valuable information on the thermodynamic and magnetic structure of the upper lay…
TIC: A Stokes inversion code for scattering polarization with partial frequency redistribution and arbitrary magnetic fields
H. Li, T. del Pino Alemán, J. Trujillo Bueno +1
We present the Tenerife Inversion Code (TIC), which has been developed to infer the magnetic and plasma properties of the solar chromosphere and transition region via full-Stokes i…
Magnetic sensitivity in the wing scattering polarization signals of the hydrogen Lyman-alpha line of the solar disk radiation
Ernest Alsina Ballester, Luca Belluzzi, Javier Trujillo Bueno
The linear polarization produced by scattering processes in the hydrogen Lyman alpha line of the solar disk radiation is a key observable for probing the chromosphere-corona transi…
Magneto-optical effects in the scattering polarization wings of the Ca I resonance line at 4227 angstroms
E. Alsina Ballester, L. Belluzzi, J. Trujillo Bueno
The linear polarization pattern produced by scattering processes in the Ca I resonance line at 4227 angstroms is a valuable observable for probing the solar atmosphere. Via the Han…
The magnetic sensitivity of the Mg ii k line to the joint action of Hanle, Zeeman and magneto-optical effects
Ernest Alsina Ballester, Luca Belluzzi, Javier Trujillo Bueno
We highlight the main results of a radiative transfer investigation on the magnetic sensitivity of the solar Mg ii k resonance line at 2795.5 angstrom, accounting for the joint act…
The transfer of resonance line polarization with partial frequency redistribution in the general Hanle-Zeeman regime
Ernest Alsina Ballester, Luca Belluzzi, Javier Trujillo Bueno
The spectral line polarization encodes a wealth of information about the thermal and magnetic properties of the solar atmosphere. Modeling the Stokes profiles of strong resonance l…
Chromospheric Polarization in the Photospheric Solar Oxygen Infrared Triplet
T. del Pino Alemán, J. Trujillo Bueno
We present multilevel radiative transfer modeling of the scattering polarization observed in the solar O I infrared triplet around 777 nm. We demonstrate that the scattering polari…
Three-dimensional radiative transfer simulations of the scattering polarization of the hydrogen Ly line in a MHD model of the chromosphere-corona transition region
Jiri Stepan, Javier Trujillo Bueno, Jorrit Leenaarts +1
Probing the magnetism of the upper solar chromosphere requires measuring and modeling the scattering polarization produced by anisotropic radiation pumping in UV spectral lines. He…
The Second Stellar Spectrum and the non-LTE Problem of the Second Kind
J. Trujillo Bueno
This paper presents an overview of the radiative transfer problem of calculating the spectral line intensity and polarization that emerges from a (generally magnetized) astrophysic…