M. J. F. Versteeg

Rc-band polarimetric survey in Sgr spiral arm

Yasuo Doi, Nakamura K, Koji S. Kawabata, M. Matsumura et autres

jp, us, br, nl, ca (code pays fourni par la source)

Interstellar Polarization Survey. V. Galactic Magnetic Field Tomography of the Spiral Arms Using Optical and Near-infrared Starlight Polarization

Y. Angarita, M. J. F. Versteeg, M. Haverkorn, Vincent Pelgrims et autres

Abstract Interstellar linear polarization occurs when starlight passes through elongated dust grains aligned by interstellar magnetic fields. The observed polarization can come from different dust structures along the line of sight (LOS). By combining polarization measurements with stellar distances, we can study …

nl, se, be, br, jp (code pays fourni par la source)

Interstellar Polarization Survey. V. Galactic magnetic field tomography in the spiral arms using optical and near-infrared starlight polarization

Y. Angarita, M. J. F. Versteeg, M. Haverkorn, Vincent Pelgrims et autres

Interstellar linear polarization occurs when starlight passes through elongated dust grains aligned by interstellar magnetic fields. The observed polarization can come from different dust structures along the line of sight (LOS). By combining polarization measurements with stellar distances, we can study the …

nl, se, be, br, jp (code pays fourni par la source)

Interstellar Polarization Survey. IV. Characterizing the Magnetic Field Strength and Turbulent Dispersion Using Optical Starlight Polarization in the Diffuse Interstellar Medium

Y. Angarita, M. J. F. Versteeg, M. Haverkorn, Antoine Marchal et autres

Abstract Angular dispersion functions are typically used to estimate the fluctuations in polarization angle around the mean magnetic field orientation in dense regions, such as molecular clouds. The technique provides accurate turbulent-to-regular magnetic field ratios, 〈 B t 2 〉 1 / …

nl, au, br, jp (code pays fourni par la source)

Interstellar Polarization Survey. IV. Characterizing the magnetic field strength and turbulent dispersion using optical starlight polarization in the diffuse interstellar medium

Y. Angarita, M. J. F. Versteeg, M. Haverkorn, Antoine Marchal et autres

Angular dispersion functions are typically used to estimate the fluctuations in polarization angle around the mean magnetic field orientation in dense regions, such as molecular clouds. The technique provides accurate turbulent to regular magnetic field ratios, $\langle B_t^2\rangle^{1/2}/B_{pos}$, which are often underestimated …

nl, au, br, jp (code pays fourni par la source)

Magnetic Fields in the Southern Coalsack and Beyond

M. J. F. Versteeg, Y. Angarita, A. M. Magalhães, M. Haverkorn et autres

Abstract Starlight polarimetry, when combined with accurate distance measurements, allows for exploration of the three-dimensional structure of local magnetic fields in great detail. We present optical polarimetric observations of stars in and close to the Southern Coalsack, taken from the Interstellar Polarization …

nl, br, jp (code pays fourni par la source)

Magnetic fields in the Southern Coalsack and beyond

M. J. F. Versteeg, Y. Angarita, A. M. Magalhães, M. Haverkorn et autres

Starlight polarimetry, when combined with accurate distance measurements, allows for exploration of the three-dimensional structure of local magnetic fields in great detail. We present optical polarimetric observations of stars in and close to the Southern Coalsack, taken from the Interstellar Polarization Survey …

Tomographic Imaging of the Sagittarius Spiral Arm's Magnetic Field Structure

Yasuo Doi, Kengo 謙吾 Nakamura 中村, Koji S. Kawabata, M. Matsumura et autres

Abstract The Galactic global magnetic field is thought to play a vital role in shaping Galactic structures such as spiral arms and giant molecular clouds. However, our knowledge of magnetic field structures in the Galactic plane at different distances is limited, as …

us, br, nl, ca, jp (code pays fourni par la source)

Tomographic Imaging of the Sagittarius Spiral Arm's Magnetic Field Structure

Yasuo Doi, K. Nakamura, Koji S. Kawabata, M. Matsumura et autres

The Galactic global magnetic field is thought to play a vital role in shaping Galactic structures such as spiral arms and giant molecular clouds. However, our knowledge of magnetic field structures in the Galactic plane at different distances is limited, as measurements …

Interstellar Polarization Survey. III. Relation between Optical Polarization and Reddening in the General Interstellar Medium

Y. Angarita, M. J. F. Versteeg, M. Haverkorn, C. V. Rodrigues et autres

Abstract Optical starlight can be partially polarized while propagating through the dusty, magnetized interstellar medium (ISM). The polarization efficiency describes the polarization intensity fraction per reddening unit, P V /E(B − V), related to the interstellar dust grains and magnetic field properties. …

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Interstellar Polarization Survey III: Relation Between Optical Polarization and Reddening in the General Interstellar Medium

Y. Angarita, M. J. F. Versteeg, M. Haverkorn, C. V. Rodrigues et autres

Optical starlight can be partially polarized while propagating through the dusty, magnetized interstellar medium. The polarization efficiency describes the polarization intensity fraction per reddening unit, P$_V$/E($B-V$), related to the interstellar dust grains and magnetic field properties. The maximum value observed, [P$_V$/E$(B-V)]_{max}$, is …

Interstellar Polarization Survey. II. General Interstellar Medium

M. J. F. Versteeg, A. M. Magalhães, M. Haverkorn, Y. Angarita et autres

Abstract Magnetic fields permeate the entire Galaxy and are essential to, for example, the regulation of several stages of the star formation process and cosmic-ray transportation. Unraveling their properties, such as intensity and topology, is an observational challenge that requires combining different …

nl, br, jp (code pays fourni par la source)