Dr Heli Hietala

Jets Downstream of Collisionless Shocks: Recent Discoveries and Challenges
Krämer E, Koller F, Suni J, LaMoury AT, Pöppelwerth A, Glebe G, Mohammed-Amin T, Raptis S, Vuorinen L, Weiss S, Xirogiannopoulou N, Archer M, Blanco-Cano X, Gunell H, Hietala H, Karlsson T, Plaschke F, Preisser L, Roberts O, Simon Wedlund C, et al.
Space Science Reviews, Springer Nature vol. 221 (1) 
27-12-2024

Observation of a Fully-formed Forward–Reverse Shock Pair due to the Interaction between Two Coronal Mass Ejections at 0.5 au
Trotta D, Dimmock AP, Blanco-Cano X, Forsyth RJ, Hietala H, Fargette N, Larosa A, Lugaz N, Palmerio E, Good SW, Soljento JE, Kilpua EKJ, Yordanova E, Pezzi O, Nicolaou G, Horbury TS, Vainio R, Dresing N, Owen CJ and Wimmer-Schweingruber RF
The Astrophysical Journal Letters, American Astronomical Society vol. 971 (2), l35-l35.  
01-08-2024

Candidates for downstream jets at interplanetary shocks
Hietala HJ, Trotta D, Fedeli A, Wilson L, Vuorinen L and Coburn JT
Monthly Notices of The Royal Astronomical Society, Oxford University Press 
20-05-2024

Properties of an Interplanetary Shock Observed at 0.07 and 0.7 au by Parker Solar Probe and Solar Orbiter
Trotta D, Larosa A, Nicolaou G, Horbury TS, Matteini L, Hietala H, Blanco-Cano X, Franci L, Chen CHK, Zhao L, Zank GP, Cohen CMS, Bale SD, Laker R, Fargette N, Valentini F, Khotyaintsev Y, Kieokaew R, Raouafi N, Davies E, et al.
The Astrophysical Journal, American Astronomical Society vol. 962 (2), 147-147.  
01-02-2024

Self-consistent modeling of the energetic storm particle event of 10 November 2012
Afanasiev A, Vainio R, Trotta D, Nyberg S, Talebpour Seshvan N, Hietala HJ and Dresing N
Astronomy & Astrophysics, Edp Sciences 
29-11-2023

Solar wind parameters influencing magnetosheath jet formation: low and high IMF cone angle regimes
Vuorinen L, Hietala HJ, LaMoury AT and Plaschke F
Jgr: Space Physics, American Geophysical Union 
21-10-2023

Shocklets and Short Large Amplitude Magnetic Structures (SLAMS) in the high Mach foreshock of Venus
Collinson GA, Hietala H, Plaschke F, Karlsson T, Wilson LB, Archer M, Battarbee M, Blanco-Cano X, Bertucci C, Long D, Opher M, Sergis N, Gasque C, Liu T, Raptis S, Burne S, Frahm R, Zhang T and Futaana Y
Geophysical Research Letters, Wiley Open Access 
26-09-2023

Annual Variations in the Near-Earth Solar Wind
Owens MJ, Lockwood M, Barnard LA, Yardley SL, Hietala H, LaMoury AT and Vuorinen L
Solar Physics, Springer Nature vol. 298 (9) 
01-09-2023

Magnetosheath jets over solar cycle 24: an empirical model
Vuorinen L, LaMoury AT, Hietala H and Koller F
Jgr: Space Physics, American Geophysical Union 
08-08-2023

Three-dimensional modelling of the shock-turbulence interaction
Trotta D, Pezzi O, Burgess D, Preisser L, Blanco-Cano X, Kajdic P, Hietala H, Horbury TS, Vainio R, Dresing N, Retino A, Marcucci MF, Sorriso-Valvo L, Servidio S and Valentini F
Monthly Notices of The Royal Astronomical Society, Oxford University Press 
04-08-2023

Multi-spacecraft observations of shocklets at an interplanetary shock
Trotta D, Hietala H, Horbury T, Dresing N, Vainio R, Wilson L, Plotnikov I and Kilpua E
Monthly Notices of The Royal Astronomical Society, Oxford University Press vol. 520 (1), 437-445.  
13-01-2023

Investigating the Role of Magnetosheath High-Speed Jets in Triggering Dayside Ground Magnetic Ultra-Low Frequency Waves
Wang B, Nishimura Y, Hietala H and Angelopoulos V
Geophysical Research Letters, Wiley Open Access vol. 49 (22) 
28-11-2022

Single-spacecraft techniques for shock parameters estimation: A systematic approach
Trotta D, Vuorinen L, Hietala H, Horbury T, Dresing N, Gieseler J, Kouloumvakos A, Price D, Valentini F, Kilpua E and Vainio R
Frontiers in Astronomy and Space Sciences, Frontiers Media vol. 9, 1005672-1005672.  
19-10-2022

Space Raindrops Splashing on Earth’s Magnetic Umbrella
Vuorinen L, LaMoury A, Masongsong E and Hietala H
 
07-10-2022

Monte Carlo Simulations of Electron Acceleration at Bow Waves Driven by Fast Jets in the Earth’s Magnetosheath
Vuorinen L, Vainio R, Hietala H and Liu TZ
The Astrophysical Journal, American Astronomical Society vol. 934 (2), 165-165.  
01-08-2022

On the Transmission of Turbulent Structures across the Earth's Bow Shock
Trotta D, Pecora F, Settino A, Perrone D, Hietala H, Horbury T, Matthaeus W, Burgess D, Servidio S and Valentini F
Astrophysical Journal, American Astronomical Society vol. 933 (2) 
13-07-2022

Magnetosheath Jet Occurrence Rate in Relation to CMEs and SIRs
Koller F, Temmer M, Preisser L, Plaschke F, Geyer P, Jian LK, Roberts OW, Hietala H and LaMoury AT
Journal of Geophysical Research Space Physics, American Geophysical Union (Agu) vol. 127 (4) 
01-04-2022

Magnetic Field in Magnetosheath Jets: A Statistical Study of BZ Near the Magnetopause
Vuorinen L, Hietala H, Plaschke F and LaMoury AT
Journal of Geophysical Research Space Physics, American Geophysical Union (Agu) vol. 126 (9) 
01-09-2021

Solar Wind Control of Magnetosheath Jet Formation and Propagation to the Magnetopause
LaMoury AT, Hietala H, Plaschke F, Vuorinen L and Eastwood JP
Journal of Geophysical Research Space Physics, American Geophysical Union (Agu) vol. 126 (9) 
01-09-2021

Direct Multipoint Observations Capturing the Reformation of a Supercritical Fast Magnetosonic Shock
Turner DL, Wilson LB, Goodrich KA, Madanian H, Schwartz SJ, Liu TZ, Johlander A, Caprioli D, Cohen IJ, Gershman D, Hietala H, Westlake JH, Lavraud B, Le Contel O and Burch JL
The Astrophysical Journal Letters, American Astronomical Society vol. 911 (2), l31-l31.  
01-04-2021

Statistical Study of Magnetosheath Jet‐Driven Bow Waves
Liu TZ, Hietala H, Angelopoulos V, Omelchenko Y, Vainio R and Plaschke F
Journal of Geophysical Research Space Physics, American Geophysical Union (Agu) vol. 125 (7) 
01-07-2020

Electron Acceleration by Magnetosheath Jet‐Driven Bow Waves
Liu TZ, Hietala H, Angelopoulos V, Vainio R and Omelchenko Y
Journal of Geophysical Research Space Physics, American Geophysical Union (Agu) vol. 125 (7) 
01-07-2020

Radiation monitor RADMON aboard Aalto-1 CubeSat: First results
Gieseler J, Oleynik P, Hietala H, Vainio R, Hedman H-P, Peltonen J, Punkkinen A, Punkkinen R, Säntti T, Hæggström E, Praks J, Niemelä P, Riwanto B, Jovanovic N and Mughal MR
Advances in Space Research, Elsevier vol. 66 (1), 52-65.  
01-07-2020

On the alignment of velocity and magnetic fields within magnetosheath jets
Plaschke F, Jernej M, Hietala H and Vuorinen L
Annales Geophysicae, Copernicus Publications vol. 38 (2), 287-296.  
02-03-2020

Radiation Monitor RADMON aboard Aalto-1 CubeSat: First results
Gieseler J, Oleynik P, Hietala H, Vainio R, Hedman H-P, Peltonen J, Punkkinen A, Punkkinen R, Säntti T, Hæggström E, Praks J, Niemelä P, Riwanto B, Jovanovic N and Mughal MR
 
18-11-2019

Jets in the magnetosheath: IMF control of where they occur
Vuorinen L, Hietala H and Plaschke F
Annales Geophysicae, Copernicus Publications vol. 37 (4), 689-697.  
06-08-2019

FORESAIL‐1 CubeSat Mission to Measure Radiation Belt Losses and Demonstrate Deorbiting
Palmroth M, Praks J, Vainio R, Janhunen P, Kilpua EKJ, Afanasiev A, Ala‐Lahti M, Alho A, Asikainen T, Asvestari E, Battarbee M, Binios A, Bosser A, Brito T, Dubart M, Envall J, Ganse U, Ganushkina NY, George H, Gieseler J, et al.
Journal of Geophysical Research Space Physics, American Geophysical Union (Agu) vol. 124 (7), 5783-5799.  
01-07-2019

Direct observations of a surface eigenmode of the dayside magnetopause
ARCHER M, Hietala H, Hartinger MD, Plaschke F and Angelopoulos V
Nature Communications, Nature Research (Part of Springer Nature) 
12-02-2019

Magnetosheath jet properties and evolution as determined by a global hybrid-Vlasov simulation
Palmroth M, Hietala H, Plaschke F, Archer M, Karlsson T, Blanco-Cano X, Sibeck D, Kajdic P, Ganse U, Pfau-Kempf Y, Battarbee M and Turc L
Annales Geophysicae vol. 36 (5), 1171-1182.  
07-09-2018

Jets Downstream of Collisionless Shocks
Plaschke F, Hietala H, Archer M, Blanco-Cano X, Kajdič P, Karlsson T, Lee SH, Omidi N, Palmroth M, Roytershteyn V, Schmid D, Sergeev V and Sibeck D
Space Science Reviews vol. 214 (5) 
01-08-2018

Investigating the anatomy of magnetosheath jets – MMS observations
Karlsson T, Plaschke F, Hietala H, ARCHER M, Blanco-Cano X, Kajdič P, Lindqvist P-A, Marklund G and Gershman D
Annales Geophysicae, Copernicus Publications 
23-04-2018

In Situ Observations of a Magnetosheath High-Speed Jet Triggering Magnetopause Reconnection
Hietala H, Phan TD, Angelopoulos V, Oieroset M, Archer MO, Karlsson T and Plaschke F
Geophysical Research Letters vol. 45 (4), 1732-1740.  
28-02-2018

Magnetosheath high-speed jets: internal structure and interaction with ambient plasma
Plaschke F, Karlsson T, Hietala H, Archer M, Vörös Z, Nakamura R, Magnes W, Baumjohann W, Torbert RB, Russell CT and Giles BL
Journal of Geophysical Research: Space Physics 
05-09-2017

ULF foreshock under radial IMF: THEMIS observations and global kinetic simulation Vlasiator results compared
Palmroth M, Archer M, Vainio R, Hietala H, Pfau-Kempf Y, Hoilijoki S, Hannuksela O, Ganse U, Sandroos A, Alfthan SV and Eastwood JP
Journal of Geophysical Research a: Space Physics vol. 120 (10), 8782-8798.  
28-10-2015