Pinfield, D. J.; Keenan, F. P.; Mathioudakis, M.; Phillips, K. H. J.; Curdt, W.; Wilhelm, K.: Evidence for non-Maxwellian electron energy distributions in the solar transition region: Si III line ratios from SUMER. Astrophysical Journal 527, S. 1000 - 1008 (1999)
Schühle, U.; Curdt, W.; Wilhelm, K.; Solanki, S. K.; Stucki, K.: Signatures of coronal hole spectra between 660 and 1460 Å measured with SUMER on SOHO. Space Science Reviews 87, S. 299 - 302 (1999)
Wilhelm, K.; Lemaire, P.; Dammasch, I. E.; Hollandt, J.; Schühle, U.; Curdt, W.; Kucera, T.; Hassler, D. M.; Huber, M. C. E.: Solar irradiances of UV and EUV lines during the minimum of the sunspot activity in 1996. Advances in Space Research 24, S. 229 - 232 (1999)
Wilhelm, K.; Woods, T. N.; Schühle, U.; Curdt, W.; Lemaire, P.; Rottman, G. J.: The solar ultraviolet spectrum from 1200 Å to 1560 Å: A radiometric comparison between SUMER/SOHO and SOLSTICE/UARS. Astronomy and Astrophysics 352, S. 321 - 326 (1999)
Curdt, W.; Heinzel, P.: Dynamic behavior of the upper solar atmosphere: SUMER/SOHO observations of hydrogen Lyman lines. Astrophysical Journal 503, S. L95 - L100 (1998)
Feldman, U.; Curdt, W.; Doschek, G. A.; Schühle, U.; Wilhelm, K.; Lemaire, P.: High-temperature lines in SUMER spectra recorded above a bright solar active region. Astrophysical Journal 503, S. 467 - 474 (1998)
Hollandt, J.; Schühle, U.; Curdt, W.; Dammasch, I. E.; Lemaire, P.; Wilhelm, K.: Solar radiometry with the telescope and vacuum-ultraviolet spectrometer SUMER on the Solar and Heliospheric Observatory (SOHO). Metrologia 35, S. 671 - 675 (1998)
Lemaire, P.; Emerich, C.; Curdt, W.; Schühle, U.; Wilhelm, K.: Solar H I Lyman α full disk profile obtained with the SUMER/SOHO spectrometer. Astronomy and Astrophysics 334, S. 1095 - 1098 (1998)
Pinfield, D. J.; Mathioudakis, M.; Keenan, F. P.; Phillips, K. J. H.; Curdt, W.: The O V 1213.9 Å forbidden line in the quiet Sun. Astronomy and Astrophysics 340, S. L15 - L17 (1998)
Schühle, U.; Brekke, P.; Curdt, W.; Hollandt, J.; Lemaire, P.; Wilhelm, K.: Radiometric calibration tracking of the vacuum-ultraviolet spectrometer SUMER during the first year of the SOHO mission. Applied Optics 37, S. 2646 - 2652 (1998)
Tu, C.-Y.; Marsch, E.; Wilhelm, K.; Curdt, W.: Ion temperatures in a solar coronal hole observed by SUMER on SOHO. Astrophysical Journal 503, S. 475 - 482 (1998)
Wilhelm, K.; Lemaire, P.; Dammasch, I. E.; Hollandt, J.; Schühle, U.; Curdt, W.; Kucera, T.; Hassler, D. M.; Huber, M. C. E.: Solar irradiances and radiances of UV and EUV lines during the minimum of the sunspot activity in 1996. Astronomy and Astrophysics 334, S. 685 - 702 (1998)
Curdt, W.; Feldman, U.; Laming, J. M.; Wilhelm, K.; Schühle, U.; Lemaire, P.: The solar disk spectrum between 660 and 1175 Å (first order) obtained by SUMER on SOHO. Astron. Astrophys. Suppl. Ser. 126, S. 281 - 296 (1997)
Feldman, U.; Behring, W. E.; Curdt, W.; Schühle, U.; Wilhelm, K.; Lemaire, P.; Moran, T. M.: A coronal spectrum in the 500-1610 Å wavelength range recorded at a height of 21,000 km above the west solar limb by the SUMER instrument on SOHO. Astrophysical Journal, Suppl. Ser. 113, S. 195 - 219 (1997)
Laming, J. M.; Feldman, U.; Schühle, U.; Lemaire, P.; Curdt, W.; Wilhelm, K.: Electron density diagnostics for the solar upper atmosphere from spectra obtained by SUMER/SOHO. Astrophysical Journal 485, S. 911 - 919 (1997)
Lemaire, P.; Wilhelm, K.; Curdt, W.; Schühle, U.; Marsch, E.; Poland, A. I.; Jordan, S. D.; Thomas, R. J.; Hassler, D. M.; Vial, J.-C.et al.; Kühne, M.; Huber, M. C. E.; Siegmund, O. H. W.; Gabriel, A.; Timothy, J. G.; Grewing, M.: First results of the SUMER telescope and spectrometer on SOHO: II. Imagery and data management. Solar Physics 170, S. 105 - 122 (1997)
Erst eisige Kälte, dann Mitternachtssonne: Am Polarkreis bereitet das Team den Flug des ballongetragenen Sonnenobservatoriums vor – und hofft auf ein solares Feuerwerk.
Bewerbungsfrist 1 Oktober 2023. Promotionsprojekte in Planetenwissenschaften, Sonnenphysik, Astrophysik, Magnetfelder der Sonne, Helioseismologie, Asteroseismologie ...
In der mittleren Korona der Sonne entdeckt ein Forscherteam netzartige, dynamische Plasmastrukturen – und einen wichtigen Hinweis auf den Antrieb des Sonnenwindes.