Astrophysical Institute Potsdam

Solar Observatory
Einsteinturm

Member:

Axel Settele

Research Area

Modelling of solar atmospheric oscillations
Wave transmission coefficients (the solar atmosphere as a resonance filter - Sunspot Filter Theory)
Calculation of the influence of oscillations on spectral lines
Magnetic field variations in sunspots - (SRA June-August 2000 at NSO Sunspot)
for more information about SRA 2000 see NOAO/NSO newletter nr. 63 or download it here.

Publications

A. Settele
PhD Thesis: Magneto-Atmospärische Wellen in der Umbra von Sonnenflecken.
Universität Potsdam, submitted July 2001, accepted, Disputation (6th Nov. 2001) passed
It is possible to receive my thesis in PDF-Format (3.8MB, german-only), please send email if needed.
A. Settele, T. Carroll, I. Nickelt, A.A. Norton:
Systematic errors in measuring solar magnetic fields with a FPI spectrometer and MDI.
Astron. Astrophys. Letters, resubmitted
Proceedings of the SOHO 10 / GONG 2000 Workshop: Helio- and Asteroseismology at the Dawn of the Millennium - Santa Cruz de Tenerife, Spain, October 2000
Problems in the interpretation of sunspot measurements
ESA SP series (SP-464), 247
Poster Format A4:[Postscript gz 0.2MByte], [PDF gz 0.2MByte]
Proceedings of the 'Recent Insights into Physics of the Sun and Heliosphere - Highlights from SOHO and other Space Missions, Manchester.
J. Staude, J. Rendtel, A. Settele:
Resonant transmission of magneto-atmospheric waves in sunspot umbrae
IAU Symposium 203 (2001), 320.
A. Settele, Y.D. Zhugzhda, J. Staude:
Waves in Sunspots: Resonant Transmission and the adiabatic coefficient.
Solar Physics, 202(2) (2001), 281.
Proceedings of the 9th European Meeting on Solar Physics: Magnetic Fields and Solar Processes - Florence, Italy, September 1999
The influence of the adiabatic coefficient and the magnetic field on sunspot oscillations
ESA SP series (SP-448), Vol.1, 367-371
Poster Format A4:[Postscript gz 0.4MByte], [PDF gz 0.4MByte]
A. Settele, Y.D. Zhugzhda, J. Staude:
A new method to calculate the resonant response of a sunspot model atmosphere to magneto-atmospheric waves.
Astron. Nachr. 320 (1999) 3, 147
Powrie, C J Y; McGeorge, J C; MacGregor, I J D; Ahrens, J; Annand, J R M; Arneil, J F; Beck, R; Branford, D; Franczuk, S; Glazier, D I; Grabmayr, P; Hall, S J; Hehl, T; Harty, P D; Ireland, D G; Kellie, J D; Livingston, K; Natter, F A; Oberkirsch, S; Owens, R O; Ryckebusch, J; Sauer, M; Settele, A; Watts, D P
Nuclear Reactions - Polarized photon measurements of the 12C(g,pp) and 12C(g,pn) reactions for Eg = 160-350 MeV (9 pages)
Physical Review - Section C - Nuclear Physics
2001 - volume 64 - issue 3 - page 34602
Franczuk, S.; MacGregor, I.J.D.; Ahrens, J.; Annand, J.R.M.; Arneil, J.F.; Beck, R.; Branford, D.; Grabmayr, P.; Hall, S.J.; Hehl, T.; Harty, P.D.; Ireland, D.G.; Kellie, J.D.; Livingston, K.; McGeorge, J.C.; Natter, F.A.; Oberkirsch, S.; Owens, R.O.; Powrie, C.J.Y.; Ryckebusch, J.; Sauer, M.; Settele, A.; Watts, D.P.
C(g,pn) photon asymmetry for E_gamma=180-340 MeV
Physics Letters - Section B
1999 - volume 450 - issue 4 - page 332 - 338