2025.03--present: Full Professor, Korea University of Science and Technology
2023.01--present: Principal Researcher, Korea Astronomy and Space Science Institute
2019.03--2025.02: Associate Professor, Korea University of Science and Technology
2017-- 2019: Asst. Professor, Korea University of Science and Technology
2016.09--2022.12: Senior Researcher, Korea Astronomy and Space Science Institute
2012-- 2016: CITA Postdoctoral Fellow, University of Toronto, Canada
2013-- 2015: Alexander von Humboldt Fellow, Germany
Education
2012 Ph.D. University of Wisconsin-Madison, USA
2008 M.S. University of Wisconsin-Madison, USA
B.S. Hanoi National University of Education, Vietnam
Awards & Honors
2024 NCU-Delta Young Astronomer Lectureship Award, which recognize worldwide scholars under the age of 45 who have made outstanding contributions in the field of astronomy or astrophysics.
Tram, L.N, Viti, S., et al, incl. Thiem Hoang, "A novel one-dimensional and time-dependent model for complex organic molecules in molecular cores", 2025, A&A, submitted
Thiem Hoang, "Toward A General Theory of Grain Alignment and Disruption by Radiative Torques and Magnetic Relaxation", 2025, ApJ, submitted
Sadhana Singh, Thiem Hoang, P.N. Diep et al., “B-fields And dust in interstelLar fiLAments using Dust POLarization (BALLAD-POL): V. Magnetic Fields and Grain Alignment Mechanisms in Serpens Main using JCMT/POL-2 Polarization”, 2025, ApJ, submitted
J. Herranen, A. Lazarian, and Thiem Hoang, "Alignment of irregular grains by radiative torques: effects on grain disruption, surface chemistry and alignment", ApJ, submitted
Saikhom Pravash, Thiem Hoang, Archana Soamet al., B-fields And dust in interstelLar fiLAments using Dust POLarization (BALLAD-POL): IV. Grain alignment mechanisms in Cocoon Nebula (IC 5146) using polarization observations from JCMT/POL-2, 2025, ApJ, accepted
J Ng, P-G Gu, Thiem Hoang, Investigating the influence of the radiative torque disruption on the size evolution of dust in the heliosphere, 2025, MNRAS, 538, 1944
Nguyen, Dieu D., et al. (incl. Thiem Hoang), Supermassive black hole mass measurement in the spiral galaxy NGC 4736 Using JWST/NIRSpec stellar kinematics, 2025, A&A, 698L, 9
S. Xu, A. Lazarian, M. Houde, and Thiem Hoang, Editorial: Multi-scale Magnetic Field Measurements in the Multi-Phase Interstellar Medium, 2023, Frontiers in Astronomy and Space Sciences, Volume 9, id.430
Hwang, J, Kim, Jongsoo et al. (incl. Thiem Hoang), "The JCMT BISTRO Survey: A Spiral Magnetic Field in a Hub-Filament Structure, Monoceros R2", ApJ, 941, 51
Yasuo Doi, et al. (incl. Thiem Hoang), The JCMT BISTRO Survey: Evidence for Pinched Magnetic Fields in Quiescent Filaments of NGC 1333, ApJ Letters, accepted
Vera Konyves et al. (incl. Thiem Hoang), "The JCMT BISTRO-2 Survey: The Magnetic Field in the Center of the Rosette Molecular Cloud", 2021, ApJ, 913, 57
Kate Pattle. et al. (incl. Thiem Hoang, 7/30),"JCMT POL-2 and BISTRO Survey observations of magnetic fields in the L1689 molecular cloud", 2021, ApJ, 907, 88
Doris Arzoumanian et al. (incl. Thiem Hoang), "Dust polarized emission observations of NGC 6334", 2021, A&A, 647A, 78
Kate Pattle. et al. (incl. Thiem Hoang, 7/30),"OMC-1 dust polarisation in ALMA Band 7: Diagnosing grain alignment mechanisms in the vicinity of Orion Source I", 2021, MNRAS, 503, 3414
Eswaraiah Chakali et al., (incl. Thiem Hoang), "Revealing the diverse magnetic field morphologies in Taurus dense cores with sensitive sub-millimeter polarimetry", 2021, ApJL, 912, L27
Jihye Hwang et al. (incl. Thiem Hoang), "The JCMT BISTRO Survey: The Distribution of Magnetic Field Strengths towards the OMC-1 Region
", 2021, ApJ, 913, 85
Aran Lyo et al. (incl. Thiem Hoang), "The JCMT BISTRO Survey: 850/450 $\mu$m polarization study toward NGC 2071IR in Orion B", 2021, ApJ, 918, 85
Hoang Thiem, Nguyen Anh Vinh, Nguyen Quynh Lan, "Spinning dust emission from ultrasmall silicates: emissivity and polarization spectrum," 2016, ApJ,824,18, arXiv:1603.05277
Hoang Thiem, and Lazarian A. "Polarization of Magnetic Dipole Emission and Spinning Dust Emission from Magnetic Nanoparticles," 2016, ApJ, 821, 91, arXiv:1511.03691
Kolokolova, L., Koenders, C., Hoang Thiem , Lazarian A. "Clues to cometary circular polarization from studying the magnetic field in the vicinity of the nucleus of comet 67P/Churyumov–Gerasimenko,", 2016, MNRAS, 462, S422–S431
2015 and before (21 refereed publications)
Hoang Thiem, Lazarian A., and Schlickeiser, R., "On Origin and Destruction of Relativistic Dust and its Implication for Ultrahigh Energy Cosmic Rays," 2015, Astrophysical Journal, 806, 255
Hoang Thiem, Lazarian A., Andersson, B-G "Modelling grain alignment by radiative torques and hydrogen formation torques in reflection nebula," 2015, MNRAS, 448, 1178
Hoang Thiem, Lazarian A., and Martin P.G., "A novel method for measuring interstellar magnetic fields using UV polarimetry," 2014, Astrophysical Journal, 790, 6
Hoang Thiem, Lazarian A., "Grain Alignment by Radiative Torques in Special Astrophysical Environments," 2014, MNRAS, 438, 680-703
Andersson B.-G., Piirola V., J. De Buizer, J., et al. (Hoang Thiem), "Evidence for H2 Formation Driven Dust Grain Alignment in IC 63," 2013, Astrophysical Journal, 775, 84
Hoang Thiem, Lazarian A., and Martin P.G., "Constraint on the Polarization of Electric Dipole Emission from Spinning Dust," 2013, Astrophysical Journal, 779, 152
Hoang Thiem, Lazarian A., "Spinning Dust Emission: Wobbling grains and important physical effects," 2012, Advances in Astronomy, 44, 1
Hoang Thiem, Lazarian A., "Numerical Studies for
Acceleration of small dust grains due to charge fluctuations," 2012, Astrophysical Journal, 761, 96
Hoang Thiem, Lazarian A., Schlickeiser R., "Revisiting acceleration of charged grains in MHD turbulence," 2012, Astrophysical Journal, 747, 54
Hoang Thiem, Lazarian A., Draine B. T., "Spinning Dust Emission: Effects of Irregular Grain Shape, Transient Heating and Comparison to WMAP data," 2011, Astrophysical Journal, 741, 87
Hoang Thiem, Draine B. T., Lazarian A., "Improving the Model of Microwave Emission from Spinning Dust: Effects of Grain Wobbling and Transient Spin-up," 2010, Astrophysical Journal, 715, 1462-1485
Lazarian, A., Hoang Thiem , “Alignment of Dust by Radiative Torque: Recent Developments,” 2011, ASPC, 449, 116
Ivlev, A., Lazarian, A., Tsytovich, V.N., de Angelis, U., Hoang Thiem, Morfill, G.E., "Acceleration of Small Astrophysical Grains due to Charge Fluctuations," 2010, Astrophysical Journal, 723, 612
Hoang Thiem, Lazarian A., "Alignment of dust grains:
effects of internal relaxations of energy and complex radiation fields,"
2009, Astrophysical Journal, 697, 1316-1333
Hoang Thiem, Lazarian A., "Radiative torques alignment in
the presence of pinwheel torques," 2009, Astrophysical Journal, 695, 1457-1476
Lazarian A., Hoang Thiem, "Alignment of Dust with Magnetic Inclusions: Radiative Torques and Superparamagnetic Barnett and Nuclear Relaxation," 2008, Astrophysical Journal Letter, 676, L25
Whittet D., Hough J. H., Lazarian A., Hoang Thiem, "The
Efficiency of Grain Alignment in Dense Interstellar Clouds: A Reassessment of
Constraints from Near Infrared Polarization," 2008, Astrophysical Journal, 674,
304
Lazarian A., Hoang Thiem, "Subsonic Mechanical Alignment
of irregular grains," 2007, Astrophysical Journal Letter, 669, L77
Lazarian A., Hoang Thiem, "Radiative torques: analytical
model and basic properties," 2007, MNRAS, 378, 910-946
Chiu, P-J, Hoang, C-T, Dinh-V-Trung et al., "A slowly expanding disk
and fast bipolar flows from the S Star Pi Gruis,"
2006, Astrophysical Journal, 645, 605