Publikationen von U. Schühle

Stucki, K.; Solanki, S. K.; Rüedi, I.; Stenflo, J. O.; Brkovic, A.; Schühle, U.; Wilhelm, K.; Huber, M. C. E.: Coronal holes versus normal quiet Sun observed with SUMER. Astrophysics and Space Science 264, S. 53 - 61 (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)

Chae, J.; Schühle, U.; Lemaire, P.: SUMER measurements of nonthermal motions: Constraints on coronal heating mechanisms. Astrophysical Journal 505, S. 957 - 973 (1998)

Chae, J.; Wang, H.; Lee, C.-Y.; Goode, P. R.; Schühle, U.: Photospheric magnetic field changes associated with transition region explosive events. Astrophysical Journal 497, S. L109 - L112 (1998)

Chae, J.; Wang, H.; Lee, C.-Y.; Goode, P. R.; Schühle, U.: Chromospheric upflow events associated with transition region explosive events. Astrophysical Journal 504, S. L123 - L126 (1998)

Doschek, G. A.; Feldman, U.; Laming, J. M.; Warren, H. P.; Schühle, U.; Wilhelm, K.: The electron pressure in the solar lower transition region determined from O V and Si III density-sensitive line ratios. Astrophysical Journal 507, S. 991 - 996 (1998)

Doschek, G. A.; Laming, J. M.; Feldman, U.; Wilhelm, K.; Lemaire, P.; Schühle, U.; Hassler, D. M.: The Si/Ne abundance ratio in polar coronal hole and quiet-Sun coronal regions. Astrophysical Journal 504, S. 573 - 587 (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)

Feldman, U.; Schühle, U.; Widing, K. G.; Laming, J. M.: The coronal composition above the solar equator and the north pole as determined from spectra acquired by the SUMER instrument on SOHO. Astrophysical Journal 505, S. 999 - 1006 (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)

Judge, P. G.; Hansteen, V.; Wikstøl, Ø.; Wilhelm, K.; Schühle, U.: Evidence in support of the ``nanoflare'' picture of coronal heating from SUMER data. Astrophysical Journal 502, S. 981 - 996 (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)

Schühle, U.: Observations of the solar atmosphere from the Solar and Heliospheric Observatory (SOHO). Journal of X-Ray Science and Technology 7, S. 249 - 255 (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)

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)

Doschek, G. A.; Mariska, J. T.; Warren, H. P.; Wilhelm, K.; Lemaire, P.; Kucera, T.; Schühle, U.: Determination of the formation temperature of Si IV in the solar transition region. Astrophysical Journal 477, S. L119 - L122 (1997)

Doschek, G. A.; Warren, H. P.; Laming, J. M.; Mariska, J. T.; Wilhelm, K.; Lemaire, P.; Schühle, U.; Moran, T. G.: Electron densities in the solar polar coronal holes from density-sensitive line ratios of Si VIII and S X. Astrophysical Journal 482, S. L109 - L112 (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)