Boy Lankhaar

Postdoc at Astronomy and Plasmaphysics

Boy Lankhaar is a theoretical chemist working on astrophysical problems. He is a part of the division for Astronomy and Plasma Physics and has his office at the Onsala Space Observatory. Boy's research includes
- magnetic field measurements with the help of maser-polarization observations
- modelling of molecular hyperfine structure and Zeeman effects, with a special interest for non-rigid effects
- investigating the possibility of graviational wave measurements with the help of molecular masers

Source: chalmers.se
Image of Boy Lankhaar

Showing 30 publications

2024

Maser polarization through anisotropic pumping

Boy Lankhaar, G. Surcis, Wouter Vlemmings et al
Astronomy and Astrophysics. Vol. 683
Journal article
2024

Hyperfine structure of the methanol molecule as traced by Class I methanol masers

I. I. Agafonova, O. S. Bayandina, Y. Gong et al
Monthly Notices of the Royal Astronomical Society. Vol. 533 (2), p. 1714-1732
Journal article
2024

The Discovery of Polarized Water Vapor Megamaser Emission in a Molecular Accretion Disk

Jack F. Gallimore, C. M. V. Impellizzeri, Samaneh Aghelpasand et al
Astrophysical Journal Letters. Vol. 975 (1)
Journal article
2024

The fountain of the luminous infrared galaxy Zw049.057 as traced by its OH megamaser

Boy Lankhaar, Susanne Aalto, Clare Wethers et al
Astronomy and Astrophysics. Vol. 689
Journal article
2024

Molecular line polarisation from the circumstellar envelopes of asymptotic giant branch stars

Wouter Vlemmings, Boy Lankhaar, L. Velilla-Prieto
Astronomy and Astrophysics. Vol. 686
Journal article
2022

Probing the electron-to-proton mass ratio gradient in the Milky Way with Class I methanol masers

S. A. Levshakov, I. I. Agafonova, C. Henkel et al
Monthly Notices of the Royal Astronomical Society. Vol. 511 (1), p. 413-424
Journal article
2022

OH megamaser emission in the outflow of the luminous infrared galaxy Zw049.057

Susanne Aalto, Boy Lankhaar, Clare Wethers et al
Proceedings of the International Astronomical Union. Vol. 18, p. 40-44
Paper in proceeding
2022

Detecting chiral asymmetry in the interstellar medium using propylene oxide

Boy Lankhaar
Astronomy and Astrophysics. Vol. 666
Journal article
2022

The generation and transformation of polarization signals in molecular lines through collective anisotropic resonant scattering

M. Houde, Boy Lankhaar, F. Rajabi et al
Monthly Notices of the Royal Astronomical Society. Vol. 511 (1), p. 295-315
Journal article
2022

Tracing the large-scale magnetic field morphology in protoplanetary disks using molecular line polarization

Boy Lankhaar, Wouter Vlemmings, Per Bjerkeli
Astronomy and Astrophysics. Vol. 657
Journal article
2022

A comprehensive model of maser polarization

Boy Lankhaar
Proceedings of the International Astronomical Union. Vol. 18, p. 430-434
Paper in proceeding
2021

Generalization of the Menegozzi and Lamb maser algorithm to the transient superradiance regime

C. M. Wyenberg, Boy Lankhaar, F. Rajabi et al
Monthly Notices of the Royal Astronomical Society. Vol. 507 (3), p. 4464-4480
Journal article
2020

Zeeman effect splitting coefficients for ClO, OH and NO in some Earth atmosphere applications

Richard Larsson, Boy Lankhaar
Journal of Quantitative Spectroscopy and Radiative Transfer. Vol. 250
Journal article
2020

PORTAL: Three-dimensional polarized (sub)millimeter line radiative transfer

Boy Lankhaar, Wouter Vlemmings
Astronomy and Astrophysics. Vol. 636
Journal article
2020

Polarisation properties of methanol masers

Daria Dall` Olio, Wouter Vlemmings, Boy Lankhaar et al
Astronomy and Astrophysics. Vol. 644
Journal article
2020

Collisional polarization of molecular ions: a signpost of ambipolar diffusion

Boy Lankhaar, Wouter Vlemmings
Astronomy and Astrophysics. Vol. 638
Journal article
2019

Detection of highly excited OH towards AGB stars: A new probe of shocked gas in the extended atmospheres

Theo Khouri, Luis Velilla Prieto, Elvire De Beck et al
Astronomy and Astrophysics. Vol. 623
Journal article
2019

Stringent limits on the magnetic field strength in the disc of TW Hya: ALMA observations of CN polarisation

Wouter Vlemmings, Boy Lankhaar, P. Cazzoletti et al
Astronomy and Astrophysics. Vol. 624
Journal article
2019

Characterizing maser polarization: effects of saturation, anisotropic pumping, and hyperfine structure

Boy Lankhaar, Wouter Vlemmings
Astronomy and Astrophysics. Vol. 628
Journal article
2019

Updated Zeeman effect splitting coefficients for molecular oxygen in planetary applications

Richard Larsson, Boy Lankhaar, Patrick Eriksson
Journal of Quantitative Spectroscopy and Radiative Transfer. Vol. 224, p. 431-438
Journal article
2018

Characterization of methanol as a magnetic field tracer in star-forming regions

Boy Lankhaar, Wouter Vlemmings, G. Surcis et al
Nature Astronomy. Vol. 2, p. 145-150
Journal article
2017

Methanol masers reveal the magnetic field of the high-mass protostar IRAS 18089-1732

Daria Dall` Olio, Wouter Vlemmings, G. Surcis et al
Astronomy and Astrophysics. Vol. 607
Journal article
2017

The shock-heated atmosphere of an asymptotic giant branch star resolved by ALMA

Wouter Vlemmings, Theo Khouri, Eamon O Gorman et al
Nature Astronomy. Vol. 1 (12), p. 848-853
Journal article
2017

Linear polarisation of Class i methanol masers in massive star formation regions

Ji-hyun Kang, Do Young Byun, Kee-Tae Kim et al
Proceedings of the International Astronomical Union. Vol. 13 (S336), p. 243-246
Journal article
2017

Quantum-Chemical calculations revealing the effects of magnetic fields on methanol masers

Boy Lankhaar, Wouter Vlemmings, G. Surcis et al
Proceedings of the International Astronomical Union. Vol. 13 (S336), p. 23-26
Journal article
2017

Maser Polarization

G. Surcis, Wouter Vlemmings, Boy Lankhaar et al
Proceedings of the International Astronomical Union. Vol. 13 (S336), p. 27-32
Journal article
2016

Hyperfine interactions and internal rotation in methanol

Boy Lankhaar, Gerrit G. Groenenboom, Ad van der Avoird
Journal of Chemical Physics. Vol. 145 (24), p. 244301-
Journal article

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Showing 1 research projects

2021–2024

A polarized view on stars, planets and life

Boy Lankhaar Galactic Astrophysics
Swedish Research Council (VR)

5 publications exist
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