List of recent refereed publications

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2023

  • Pohjolainen, S., Talebpour Sheshvan, N., Monstein, C.: Separating the effects of earthside and far side solar events. A case study. Advances in Space Research, 8 pages, submitted May 2023.
  • Pohjolainen, S., McKay, D., Talebpour Sheshvan, N., Monstein, C.: Periodic type III burst groups associated with a B-class flare and a narrow-width CME. Solar Physics, 15 pages, submitted April 2023.

    2021

  • Pohjolainen, S., Talebpour Sheshvan, N.: Formation of Isolated Radio Type II Bursts at Low Frequencies. Solar Physics, Volume 296, Issue 5, id. 81, 2021 (open access).

    2020

  • Pohjolainen, S., Talebpour Sheshvan, N.: Cut-off features in interplanetary solar radio type IV emission. Advances in Space Research, Volume 65, Issue 6, 15 March 2020, Pages 1663-1672. Author's abstract and preprint.

    2019

  • Ameri, D., Valtonen, E., Pohjolainen, S.: Properties of High-Energy Solar Particle Events Associated with Solar Radio Emissions. Solar Physics, Volume 294, Issue 9, article id. 122, 33 pp., 2019 (open access).

    2018

  • Talebpour Sheshvan, N., Pohjolainen, S.: Visibility and Origin of Compact Interplanetary Radio Type IV Bursts. Solar Physics, Volume 293, Issue 11, Article 148, November 2018 (open access).
  • Kocharov, L., Pohjolainen, S., Reiner, M. J., Mishev, A., Wang, H., Usoskin, I., Vainio, R.: patial Organization of Seven Extreme Solar Energetic Particle Events. Astrophysical Journal Letters, Volume 862, Issue 2, article id. L20, 2018.

    2017

  • Al-Hamadani, F., Pohjolainen, S., Valtonen, E.: Formation of Radio Type II Bursts During a Multiple Coronal Mass Ejection Event. Solar Physics, Volume 292, Issue 12, Article 183, December 2017.
  • Al-Hamadani, F., Pohjolainen, S., Valtonen, E.: Origin of Radio Enhancements in Type II Bursts in the Outer Corona. Solar Physics, Volume 292, Issue 9, Article 127, September 2017.
  • Kocharov, L., Pohjolainen, S., Mishev, A., Reiner, M. J., Lee, J., Laitinen, T., Didkovsky, L. V., Pizzo, V. J.; Kim, R., Klassen, A., Karlicky, M., Cho, K.-S., Gary, D. E., Usoskin, I., Valtonen, E., Vainio, R.: Investigating the Origins of Two Extreme Solar Particle Events: Proton Source Profile and Associated Electromagnetic Emissions. Astrophysical Journal, Volume 839, Issue 2, article id. 79, 2017.

    2016

  • Pohjolainen, S., Al-Hamadani, F., Valtonen, E.: Propagation of Solar Energetic Particles during Multiple Coronal Mass Ejection Events. Solar Physics, Volume 291, Issue 2, pp 487-511, 2016. . Author preprint. ADS entry.

    2015

  • Pohjolainen S., Karlicky, M., van Driel-Gesztelyi, L., Mandrini, C. H.: New Eyes Looking at Solar Activity: Challenges for Theory and Simulations - Placing It into Context. Solar Physics, Volume 290, Issue 1, pp.1-5, 2015.

    2013

  • Pohjolainen S., Allawi, H., and Valtonen E.: Origin of wide-band IP type II bursts. Astron. Astrophys., Vol. 558, id.A7, 19 pp., 2013. See ADS entry. Link to the journal article
  • Krucker S., Gimenez de Castro C.G., Hudson H.S., Trottet G., Bastian T.S., Hales A.S., Kasparova J., Klein K.-L., Kretzschmar M., Lüthi T., Mackinnon A., Pohjolainen S., White S.M.: Solar flares at submillimeter wavelengths. Astronomy and Astrophysics Review, Vol. 21, article id. 58, 2013. See ADS entry. Link to the journal article

    2012

  • Kallunki J., Pohjolainen S.: Radio pulsating structures with coronal loop contraction. Solar Physics, Vol. 280, 2012, Issue 2, pp. 491-507 (incl. movie). See ADS entry.

    2011

  • Shibasaki K., Alissandrakis C.E., Pohjolainen S.: Radio emission of the Quiet Sun and Active Regions (Invited review). Solar Physics, Vol. 273, 2011, p. 309-337. See ADS entry.

    2009

  • Agueda N., Lario D., Vainio R., Sanahuja B., Kilpua E., Pohjolainen S.: Modeling solar near-relativistic electron events. Insights into solar injection and interplanetary transport conditions. Astron. Astrophys., Vol. 507, 2009, p. 981-993. See ADS entry. The original publication is available at http://www.aanda.org

    In January 2008 I was informed that the teaching assistant position I held would be closed down due to financial difficulties at the department. However, as the position included obligatory teaching in the astronomy curriculum, the position tasks were then continued on short, fixed-term contracts during 2008-2011 (7 contracts in a row). In 2012 a new recruitment was made, now as a teacher. New teaching duties were announced after recruitment. The new teaching duties cannot include anything related to research or PhD supervision.

    2008

  • Pohjolainen S., Hori K., and Sakurai T.: Radio bursts associated with flare and ejecta in the 13 July 2004 event. Solar Physics, Vol. 253, 2008, p. 291-303 (preprint). The original publication is available at www.springerlink.com
  • Magdalenic J., Vrsnak B., Pohjolainen S., Temmer M., Aurass H., and Lehtinen N.J.: A flare-generated shock during a coronal mass ejection on 24 December 1996. Solar Physics, Vol. 253, 2008, p. 305-317. The original publication is available at www.springerlink.com
  • Pohjolainen S., Pomoell J., and Vainio R.: CME liftoff with high-frequency fragmented type II burst emission. Astron. Astrophys., Vol. 490, 2008, p. 357-363 (preprint). The original publication is available at www.aanda.org
  • Pohjolainen S.: Shock-related radio emission during coronal mass ejection lift-off? (Research Note). Astron. Astrophys., Vol. 483, 2008, p. 297-300 (preprint). The original publication is available at www.aanda.org
  • Lehtinen N.J., Pohjolainen S., Huttunen-Heikinmaa K., Vainio R., Valtonen E., and Hillaris A.E.: Sources of SEP acceleration during a flare-CME event. Solar Physics, Vol. 247, 2008, p. 151-169. (preprint). The original publication is available at www.springerlink.com

    2007

  • Pohjolainen S., van Driel-Gesztelyi L., Culhane J.L., Manoharan P.K., and Elliott H.A.: CME propagation characteristics from radio observations. Solar Physics, Vol. 244, 2007, p. 167-188. (preprint). The original publication is available at www.springerlink.com
  • Culhane J.L., Pohjolainen S., van Driel-Gesztelyi L., Manoharan P.K., and Elliott H.A.: Study of CME transit speeds for the event of 07-Nov-2004. Advances in Space Research, Vol. 40, 2007, p. 1807-1814.
  • Väänänen M. and Pohjolainen S.: Spatial size and plasma variables of RHESSI flares. Solar Physics, Vol. 241, 2007, p. 279-299.

    2006

  • Pohjolainen S. and Lehtinen N.J.: Slow halo CMEs with shock signatures. Astron. Astrophys., Vol. 449, 2006, p. 359-367 (preprint). The original publication is available at www.aanda.org

    2005

  • Lehtinen N.J., Pohjolainen S., Karlicky M., Aurass H., and Otruba W.: Non-thermal processes associated with rising structures and waves during a 'halo' type CME. Astron. Astrophys., Vol. 442, 2005, p. 1049-1058.
  • Mandrini C.H., Pohjolainen S., Dasso S., Green L.M., Demoulin P., van Driel-Gesztelyi L., Foley C., and Copperwheat C.: The smallest source-region of an interplanetary magnetic cloud: A mini-sigmoid. Advances in Space Research, Vol. 36, 2005, p. 1579-1586.
  • Mandrini C.H., Pohjolainen S., Dasso S., Green L.M., Demoulin P., van Driel-Gesztelyi L., Copperwheat C., and Foley C.: Interplanetary flux rope ejected from an X-ray bright point. The smallest magnetic cloud source-region ever observed. Astron. Astrophys., Vol. 434, 2005, p. 725-740.
  • Pohjolainen S., Vilmer N., Khan J.I., and Hillaris A.E.: Early signatures of large-scale field line opening. Multi-wavelength analysis of features connected to a 'halo' CME event. Astron. Astrophys., Vol. 434, 2005, p. 329-341. (preprint)

    2004

  • Pohjolainen S.: Multi-wavelength studies from optical to radio wavelengths (invited review). Proc. IAU Symp.223, Stepanov, Benevolenskaya, and Kosovichev (eds.), Cambridge University Press, 2004, p. 329-336.

    2003

  • Klassen A., Pohjolainen S., and Klein K.-L.: Type II precursor and X-ray flare emission. Solar Physics, Vol. 218, 2003, p. 197-210.
  • Pohjolainen S.: Repeated flaring from loop-loop interaction. Solar Physics, Vol. 213, 2003, p. 319-339. DOI 10.1023/A:1023960716826, (preprint)
  • Riehokainen S., Valtaoja E., and Pohjolainen S.: Correspondence between the radio enhanced temperature, CaII (k3), H-alpha and SOHO/MDI regions. Astron. Astrophys., Vol. 402, 2003, p. 1103-1113.

    2002

  • Pohjolainen S., Hildebrandt J., Magun A., Karlicky M., and Chertok I.: Prolonged millimeter-wave radio emission from a solar flare near the limb. Astron. Astrophys., Vol. 396, 2002, p. 683-692. (preprint)
  • Vilhu O., Huovelin J., Pohjolainen S., Virtanen J., and Curdt W.: Microflaring of a solar bright point. Astron. Astrophys., Vol. 395, 2002, p. 977-981.
  • Torsti J., Kocharov L., Laivola J., Pohjolainen S., Plunkett S.P., Thompson B.J., Kaiser M.L., and Reiner M.J.: Solar particle events with helium over hydrogen enhancement in the energy range up to 100 MeV/nucleon. Solar Physics, Vol. 205, 2002, p. 123-147.

    2001

  • Pohjolainen S., Maia D., Pick M., Vilmer N., Khan J.I., Otruba W., Warmuth A., Benz A., Alissandrakis C., and Thompson B.: On-the-disk development of the halo coronal mass ejection on May 2, 1998. Astrophys. J., Vol. 556, 2001, p. 421-431.

    2000

  • Pohjolainen S.: On the origin of polar radio brightenings at short millimeter wavelengths. Astron. Astrophys., Vol. 361, 2000, p. 349-358.
  • Pohjolainen S., Portier-Fozzani F., and Ragaigne D.: Comparison of 87 GHz solar polar structures with EUV and soft X-ray emission. Astron. Astrophys. Suppl. Ser., Vol. 143, 2000, p. 227-263.
  • Brajsa R., Ruzdjak V., Vrsnak B., Wohl H., Pohjolainen S., and Urpo S.: Statistical weights and selective height corrections in the determination of the solar rotation velocity. Solar Physics, Vol. 196, 2000, p. 279-297.
  • Grebinjskij A., Bogod V., Gelfreikh G.B., Urpo S., Pohjolainen S., Shibasaki K.: Microwave tomography of solar magnetic fields. Astron. Astrophys. Suppl. Ser., Vol. 144, 2000, p. 169-180.

    1999

  • Brajsa R., Ruzdjak V., Vrsnak B., Wohl H., Pohjolainen S., and Urpo S.: An estimate of microwave low brightness temperature region's heights obtained measuring their rotation velocity. Solar Physics, Vol. 184, 1999, p. 281-296.

    1998

  • Pohjolainen S. (Ed.): CESRA Workshop on Coronal Explosive Events. Metsahovi Publications on Radio Science, HUT-MET-27, 1998.
  • Pohjolainen S. (Ed.): Metsahovi Radio Observatory Annual Report 1997. Metsahovi Reports, HUT-KURP-13, 1998.
  • Zaitsev V.V., Stepanov A.V., Urpo S., and Pohjolainen S.: LRC-circuit analog of current-carrying magnetic loop: Diagnostics of electric parameters. Astron. Astrophys., Vol. 337, 1998, p. 887-896.

    1997

  • Pohjolainen S., Valtaoja E., Urpo S., and Aurass H.: Microwave emission from coronal heights: study of a non-thermal radio flare. Solar Physics, Vol. 173, 1997, p. 131-149.
  • Brajsa R., Ruzdjak V., Vrsnak B., Pohjolainen S., Urpo S., Schroll A., and Wohl H.: On the possible changes of the solar differential rotation during the activity cycle determined using microwave low brightness temperature regions and H-alpha filaments as tracers. Solar Physics, Vol. 171, 1997, p. 1-34.
  • Jetsu L., Pohjolainen S., Pelt J., Tuominen I.: Is the longitudinal distribution of solar flares nonuniform? Astron. Astrophys., Vol. 318, 1997, p. 293-307.
  • Pohjolainen S., Valtaoja E., Urpo S.: Impulsive acceleration during gradual type solar radio flares. 31st COSPAR Scientific Assembly, Birmingham, England, 1996. Adv. Space Res., Vol. 20, No. 12, 1997, p. 2337-2340.

    1996

  • Pohjolainen S., Valtaoja E., Urpo S.: Solar microwave burst emission relation to X-ray radiation. Astron. Astrophys., Vol. 314, 1996, p. 947-956.
  • Pohjolainen S., Valtaoja E., Urpo S.: Solar microwave burst classification and correlation with soft X-rays. Astron. Astrophys., Vol. 306, 1996, p. 973-980.
  • Brajsa R., Pohjolainen S., Ruzdjak V., Sakurai T., Urpo S., Vrsnak B., Wohl H.: Helium 10830 A measurements of the Sun. Solar Physics, Vol. 163, 1996, p. 79-91.
  • Pohjolainen S., Urpo S., Herrmann R.: A multi-wavelength study of a series of solar flares on June 11, 1991. 30th COSPAR Scientific Assembly, Hamburg, Germany, 1994. Adv. Space Res., Vol. 17, No. 4/5, 1996, p. 139-142.

    1995

  • Lagerkvist C-I., Di Martino M., Blanco C., Dahlgren M., Erikson A., Lahulla J.F., Lazzarin M., Lumme K., Pohjolainen S., Riccioli D.: Physical studies of asteroids XXX: The asteroid 153 Hilda. Earth, Moon and Planets, Vol. 71, 1995, p. 189-194
  • Lagerkvist C-I., Erikson A., Debehogne H., Festin L., Magnusson P., Mottola S., Oja T., De Angelis G., Belskaya I.N., Dahlgren M., Gonano-Beurer M., Lagerros J., Lumme K., and Pohjolainen S.: Physical studies of asteroids. XXIX. Photometry and analysis of 27 asteroids. Astron. Astrophys. Suppl. Ser., Vol. 113, 1995, p. 115-129.
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