Dr. rer. nat. Alexander Warmuth

Address: Astrophysical Institute Potsdam (AIP)   (Building B20 · Room 34)   An der Sternwarte 16   14482 Potsdam     Telephone: +49-331-7499-208 Fax: +49-331-7499-352

Research Topics

• particle acceleration in solar flares (mainly using RHESSI and radio data)

• large-scale coronal waves and shocks

• conditions in the quiet and active region corona

• multiwavelength observations (from radio to hard X-rays…)

• space weather

Education and Public Outreach

National Coordinator for Education and Outreach for the International Heliophysical Year Participation in the conception and organization of the exhibition “Das Reich der Sonne – Heimat der Menschheit” (`The Empire of the Sun – Home of Mankind')

Publications

[ publications in ADS ]

in refereed journals:

• Warmuth, A., Mann, G., & Aurass, H.:
  Modelling shock drift acceleration of electrons at the reconnection outflow termination shock in solar flares. Observational constraints and parametric study
  2008, Astronomy and Astrophysics (in press)

• Mann, G., Warmuth, A., & Aurass, H.:
  Generation of highly energetic electrons at reconnection outflow shocks during solar flares
  2008, Astronomy and Astrophysics (in press)

• Steffen, M., Schönberner, D., & Warmuth, A.:
  The evolution of planetary nebulae V. The diffuse X-ray emission
  2008, Astronomy and Astrophysics, 489, 173

• Mann, G., Aurass, H., & Warmuth, A.:
  Electron acceleration by the reconnection outflow shock during solar flares
  2006, Astronomy and Astrophysics, 454, 969.

• Aurass, H., Mann, G., Rausche, G., & Warmuth, A.:
  The Oct. 28, 2003 GLE - radio diagnostics of relativistic electron and proton injection
  2006, Astronomy and Astrophysics, 457, 681

• Vrsnak, B., Warmuth, A., Temmer, M., Veronig, A., Magdalenic, J., Hillaris, A., & Karlicky, M.:
  Multi-wavelength study of coronal waves associated with the CME-flare event of 3 November 2003
  2006, Astronomy and Astrophysics, 448, 739.

• Warmuth, A., Mann, G., & Aurass, H.:
  First soft X-ray observations of global coronal waves with the GOES Solar X-ray Imager
  2005, Astrophysical Journal Letters, 626, L121.

• Warmuth, A., & Mann, G.:
  A model of the Alfven speed in the solar corona
  2005, Astronomy and Astrophysics, 435, 1123.

• Vrsnak, B., Magdalenic, J., Temmer, M., Veronig, A., Warmuth, A., Mann, G., Aurass, H. & Otruba, W.:
  Broad-band metric-range radio emission associated with a Moreton/EIT wave
  2005, Astrophysical Journal Letters, 625, L67.

• Warmuth, A., Vrsnak, B., Magdalenic, J., Hanslmeier, A. & Otruba, W.:
  A multiwavelength study of solar flare waves I. Observations and basic properties
  2004, Astronomy and Astrophysics 418, 1101.

• Warmuth, A., Vrsnak, B., Magdalenic, J., Hanslmeier, A. & Otruba, W.:
  A multiwavelength study of solar flare waves II. Perturbation characteristics and physical interpretation
  2004, Astronomy and Astrophysics 418, 1117.

• Hudson, H., & Warmuth, A.:
  Coronal loop oscillations and flare shock waves
  2004, Astrophysical Journal Letters, 614, L85.

• Melnik, V. N., Konovalenko, A. A., Rucker, H. O., Stanislavsky, A. A., Abranin, E. P., Lecacheux, A., Mann, G., Warmuth, A., Zaitsev, V. V., Boudjada, M. Y., Dorovskii, V. V., Zaharenko, V. V., Lisachenko, V. N., & Rosolen, C.:
  Observations of solar type II bursts at frequecies 10-30 MHz
  2004, Solar Physics 222, 151.

• Vrsnak, B., Warmuth, A., Klein, K.-L., Maricic, D., Otruba, W., & Ruzdjak, V.:
  Interaction of an erupting filament with the ambient magnetoplasma and escape of electron beams
  2003, Solar Physics 217, 187.

• Vrsnak, B., Klein, K.-L., Warmuth, A., Otruba, W., & Skender, M.:
  Vertical dynamics of the energy release process in a simple two-ribbon flare
  2003, Solar Physics 214, 325.

• Moretti, P. F., Cacciani, A., Hanslmeier, A., Messerotti, M., Otruba, W., & Warmuth, A.:
  Full-disk magnetic oscillations in the solar photosphere
  2003, Astronomy and Astrophysics 403, 297.

• Moretti, P. F., Cacciani, A., Hanslmeier, A., Messerotti, M., Otruba, W., Poetzi, W., & Warmuth, A.:
  An interpretation of the I­V phase background based on observed plasma jets
  2002, Astronomy and Astrophysics 395, 293.

• Vrsnak, B., Warmuth, A., Brajsa, R., & Hanslmeier, A.:
  Flare waves observed in Helium I 10830 Å
  2002, Astronomy and Astrophysics 394, 299.

• Warmuth, A., Vrsnak, B., Aurass, H., & Hanslmeier, A.:
  Evolution of two H-alpha/EIT Moreton waves
  2001, Astrophysical Journal Letters 560, 105.

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

• Moretti, P. F., Cacciani, A., Hanslmeier, A., Messerotti, M., Oliviero, M., Otruba, W., Severino, G., & Warmuth, A.:
  The source of the solar oscillations: Convective or magnetic?
  2001, Astronomy and Astrophysics 372, 1038.

• Warmuth, A., Hanslmeier, A., Messerotti, M., Cacciani, A., Moretti, P. F., & Otruba, W.:
  NOAA 8210: evolution and flares from multiband diagnostics
  2000, Solar Physics 194, 103.

in books:

• Warmuth, A.:
  Large-scale waves and shocks in the solar corona
  2007, Springer Lecture Notes in Physics, Vol. 725, 107

• Warmuth, A., & Mann, G.:
  The application of radio diagnostics to the study of the solar drivers of space weather
  2005, Springer Lecture Notes in Physics, Vol. 656, 49

in proceedings:

• Warmuth, A., Mann., G., & Aurass, H.:
  Constraining electron acceleration at a standing shock with HXR and radio observations
  2007, Central European Astrophysical Bulletin, 31, 135

• Warmuth, A., Mann., G., & Aurass, H.:
  On the relation between large-scale coronal waves and metric type II solar radio bursts
  2006, in: H. O. Rucker, W. S. Kurth and G. Mann (eds.), Planetary Radio Emissions VI (Wien: Österreichische Akademie der Wissenschaften), 367.

• Mann, G., Aurass, H., & Warmuth, A.:
  Generation of energetic electrons at the outflow termination shock during solar flares
  2006, in: H. O. Rucker, W. S. Kurth and G. Mann (eds.), Planetary Radio Emissions VI (Wien: Österreichische Akademie der Wissenschaften), 349.

• Schönberner, D., Steffen, M., & Warmuth, A.:
  The modelling of the X-ray emission of planetary nebulae
  2006, Proc. IAU Symp. No. 234, 161.

• Steffen, M., Schönberner, D., Warmuth, A., Schwope, A., Landi, E., Perinotto, M., & Bucciantini, N.:
  Modeling X-ray emission from planetary nebulae
  2005, AIP Conf. Proc., 804, 161.

• Mann, G., Aurass, H., & Warmuth, A.:
  Generation of energetic electrons at the outflow termination shock during solar flares
  2005, Proc. 6th European Workshop on collisionless shocks, Nov 3-5, 2004 (CETP/UVSQ/CNRS, Velizy, France), 169.

• Hudson, H., & Warmuth, A.:
  Coronal loop oscillations and flare shock waves
  2004,  AAS meeting 204, abstract #54.11.

• Warmuth, A., Vrsnak, B., & Hanslmeier, A.:
  Flare waves revisited
  2003, Hvar Observatory Bulletin 27, 139.

• Warmuth, A., Vrsnak, B., Aurass, H., & Hanslmeier, A.:
  Moreton waves and their relation with EIT waves
  2002, in: H. Sawaya-Lacoste (ed.), Second Solar Cycle and Space Weather Euroconference, ESA SP-477, 195.

• Moretti, P. F., Andretta, V., Cacciani, A., Hanslmeier, A., Messerotti, M., Otruba, W., & Warmuth, A.:
  Simultaneous H-alpha and sodium observations at the Kanzelhöhe Solar Observatory
  2002, in: H. Sawaya-Lacoste (ed.), Second Solar Cycle and Space Weather Euroconference, ESA SP-477, 147.

• Biesecker, D. A., Thompson, B. J., Hudson, H. S., Warmuth, A., & White, S.:
  Two wave morphologies in SOHO/EIT - EIT waves and Moreton waves
  2002, AGU Fall Meeting, abstract #SH52A-0450.

• Messerotti, M., Otruba, W., Poetzi, W., Hanslmeier, A., Temmer, M., Veronig, A., Warmuth, A., Cacciani, A., & Moretti, P. F.:
  The Trieste-Graz solar surveillance network progress report 2001
  2002, in: ESA Space Weather Workshop: Looking towards a European Space Weather Programme, ESA/ESTEC 17-19 December, 2001.

• Warmuth, A., Hanslmeier, A., Messerotti, M., Cacciani, A., Moretti, P. F., & Otruba, W.:
  Observations of NOAA 8210 using MOF and DHC of Kanzelhöhe Solar Observatory
  2001, in: A. Hanslmeier, M. Messerotti and A. Veronig (eds.), The Dynamic Sun, Astrophysics and Space Science Library Vol. 259, Kluwer Academic Publishers, 259.

• Messerotti, M.,Otruba, W., Warmuth, A., Cacciani, A., Moretti, P. F., Hanslmeier, A., & Steinegger, M.:
  The solar surveillance program at the Kanzelhöhe Solar Observatory: new facilities for high-speed digital imaging and dynamic event tracking
  1999, in: N. Crosby (ed.), ESA Workshop on Space Weather, ESA WPP-155, 321.

Teaching

• Warmuth, A., & Mann, G.: Solar activity (Universität Potsdam, 24.4.2007 - 17.7.2006)

• Mann, G., & Warmuth, A.: Introduction to cosmic plasma physics (Universität Potsdam, 19.4.2006 - 18.7.2006)
  

• Mann, G., Warmuth, A., & Vocks, C.: Introduction to radioastronomy (Universität Potsdam, 18.10.2005 - 7.2.2006)

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