AIP

Dr. Carsten Denker


Astrophysikalisches Institut Potsdam
An der Sternwarte 16
14482 Potsdam
Telefon: 0331-7499-297
FAX: 0331-7499-200
Optische Sonnenphysik
Sonnenobservatorium Einsteinturm
Optische Sonnenphysik
English Version
Forschung  ::   Vorlesungen  ::   Studium  ::   Beruf  ::   Veröffentlichungen
cdenker@NJIT (alt)  ::   Projekte (intern)
 

Forschung

  • Physik der Photosphäre und Chromosphäre
  • Dynamik von Aktiven Gebieten und Sonnenflecken
  • Differentielle Rotation der Sonne
  • Strahlungsausbrüche und Eruption von Filamenten und Protuberanzen
  • Vorhersage des Sonnenwetters
  • Bildrekonstruktionsverfahren
  • Zwei-dimensionale Spektropolarimetrie
  • Adaptive Optik
  • Instrumentierung
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Vorlesungen

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Studium

1985-1996:   Georg-August Universität Göttingen
1991: Physik Diplom: Penumbrale Feinstrukturen und ihr Magnetfeld (Prof. Dr. Franz Kneer)
1993: Sozialwissenschaftliches Diplom: Die Enquete-Kommission "Einschätzung und Bewertung von Technikfolgen; Gestaltung der Rahmenbedingungen der technischen Entwicklung" - Zum Spannungsverhältnis von Politik, Wissenschaft und Öffentlichkeit (Prof. Dr. H.-G. Marten)
1996: Dr. rer. nat.: Untersuchung der Feinstrukturen von Sonnenflecken mit Methoden der Speckle-Interferometrie (Prof. Dr. Franz Kneer)

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Beruflicher Werdegang

2008-heute:   Lehrbeauftragter - Universität Potsdam
2007-heute:   Abteilungsleiter Optische Sonnenphysik - Astrophysikalisches Institut Potsdam
2007-heute:   Research Professor - New Jersey Insitute of Technology
2001-2007: Assistant Professor of Physics - New Jersey Institute of Technology
1999-2001: Assistant Research Professor - Big Bear Solar Observatory/New Jersey Institute of Technology
1997-1999: Postdoktorand - Big Bear Solar Observatory/New Jersey Institute of Technology
1996-1997: Postdoktorand - California Institute of Technology
1994-1996: Wissenschaftlicher Mitarbeiter - Universitäts-Sternwarte Göttingen
1992: Sommerstipendiat - National Solar Observatory, Sacramento Peak, Sunspot, New Mexico
1989-1994: wissenschaftliche Hilfskraft, Universitäts-Sternwarte Göttingen

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Veröffentlichungen in referierten Zeitschriften

  • Chae, J., Denker, C., Spirock, T. J., Wang, H., and Goode, P. R., 2000: High-Resolution Hα Observations of Proper Motion in NOAA 8668: Evidence for Filament Mass Injection by Chromospheric Reconnection. Solar Physics 195, 333-346
     
  • Deng, N., Choudhary, D. P., Tritschler, A., Denker, C., Liu, C., and Wang, H., 2007: Flow Field Evolution of a Decaying Sunspot. Astrophysical Journal 671, 1013-1021
  • Deng, N., Xu, Y., Yang, G., Cao, W., Liu, C., Rimmele, T. R., Wang, H., and Denker, C., 2006: Multiwavelength Study of Flow Fields in Flaring Super Active Region NOAA 10486. Astrophysical Journal 644, 1278-1291
  • Deng, N., Liu, C., Yang, G., Wang, H., and Denker, C., 2005: Rapid Penumbral Decay Associated with an X2.3 Flare in NOAA Active Region 9026. Astrophysical Journal 623, 1195-1201
     
  • Denker, C., Tritschler, A., and Deng, N., 2008: High-Resolution Observations of Extremely Bright Penumbral Grains. Astronomische Nachrichten 329, 773-779
  • Denker, C., Deng, N., Tritschler, A., and Yurchyshyn, V., 2007: Two-Dimensional Spectroscopy of Photospheric Shear Flows in a Small δ Spot. Solar Physics 245, 219-238
  • Denker, C., Deng, N., Rimmele, T. R., Tritschler, A., and Verdoni, A., 2007: Field-Dependent Adaptive Optics Correction Derived with the Spectral Ratio Technique. Solar Physics 241,411-426
  • Denker, C., Reza, J. Z., Nelson, A. J., Patterson, J. D., Armstrong, T. P., Maclennan, C. G., and Lanzerotti, L. J., 2007: Statistical Study of Low-Energy Heliosphere Particle Fluxes from 1.4 to 5 AU over a Solar Cycle. Space Weather 5, CiteID S07002
  • Denker, C., Tritschler, A., Rimmele, T. R., Richards, K., Hegwer, S. L., and Wöger, F., 2007: Adaptive Optics at the Big Bear Solar Observatory: Instrument Description and First Observations. Publications of the Astronomical Society of the Pacific 119, 170-182
  • Denker, C. and Tritschler, A., 2005: Measuring and Maintaining the Plate Parallelism of Fabry-Pérot Etalons. Publications of the Astronomical Society of the Pacific 117, 1435-1444
  • Denker, C., Mascarinas, D., Xu, Y., Cao, W., Yang, G., Wang, H., Goode, P. R., and Rimmele, T., 2005: High-Spatial-Resolution Imaging Combining High-Order Adaptive Optics, Frame Selection, and Speckle Masking Reconstruction. Solar Physics 227, 217-230
  • Denker, C., Didkovsky, L., Ma, J., Shumko, S., Varsik, J., Wang, J., Wang, H., and Goode, P. R., 2003: Imaging Magnetographs for High-Resolution Solar Observations in the Visible and Near-Infrared Wavelength Region. Astronomische Nachrichten 324, 332-333
  • Denker, C., Yang, G., and Wang, H., 2001: Near Real-Time Image Reconstruction. Solar Physics 202, 63-70
  • Denker, C., Johannesson, A., Marquette, W., Goode, P. R., Wang, H., and Zirin, H., 1999: Synoptic Hα Full-Disk Observations of the Sun from Big Bear Solar Observatory - I. Instrumentation, Image Processing, Data Products, and First Results. Solar Physics 184, 87-102
  • Denker, C., 1998: Speckle Masking Imaging of Sunspots and Pores. Solar Physics 180, 81-108
  • Denker, C. and Wang, H., 1998: High Spatial Resolution Observations of a Small δ Spot. Astrophysical Journal 502, 493-497
  • Denker, C., 1997: Two-Dimensional Speckle Spectroscopy of the Moustache Phenomenon on the Sun. Astronomy and Astrophysics 323, 599-605
  • Denker, C., de Boer, C. R., Volkmer, R., and Kneer, F., 1995: Speckle Masking Imaging of the Moustache Phenomenon. Astronomy and Astrophysics 296, 567-573
     
  • Didkovsky, L. V., Denker, C., Goode, P. R., Wang, H., and Rimmele, T. R., 2003: High-Order Adaptive Optical System for Big Bear Solar Observatory. Astronomische Nachrichten 324, 297-298
     
  • Gallagher, P. T., Denker, C., Yurchyshyn, V., Spirock, T., Qiu, J., Wang, H., and Goode, P. R., 2002: Solar Activity Monitoring and Forecasting Capabilities at Big Bear Solar Observatory. Annales Geophysicae 20, 1105-1115
     
  • Goode, P. R., Denker, C. J., Didkovsky, L. I., Kuhn, J. R., and Wang, H., 2003: 1.6 M Solar Telescope in Big Bear -- The NST. Journal of Korean Astronomical Society 36, 125-133
  • Goode, P. R., Wang, H., Marquette, W. H., and Denker, C., 2000: Measuring Seeing from Solar Scintillometry and the Spectral Ratio Technique. Solar Physics 195, 421-431
     
  • Liu, C., Deng, N., Liu, Y., Falconer, D., Goode, P. R., Denker, C., and Wang, H., 2005: Rapid Change of δ Spot Structure Associated with Seven Major Flares. Astrophysical Journal 622, 722-736
     
  • Ma, J., Wang, J., Denker, C., and Wang, H., 2008: Optical Design of Multilayer Achromatic Waveplate by Simulated Annealing Algorithm. Chinese Journal of Astronomy and Astrophysics 8, 349-361
     
  • Qiu, J., Ding, M. D., Wang, H., Gallagher, P. T., Sato, J., Denker, C., and Goode, P. R., 2001: Asymmetric Behavior of Hα Footpoint Emission during the Early Phase of an Impulsive Flare. Astrophysical Journal 554, 445-450
  • Qiu, J., Ding, M. D., Wang, H., Denker, C., and Goode, P. R., 2000: Ultraviolet and Hα Emission in Ellerman Bombs. Astrophysical Journal 544, L157-L161
     
  • Socas-Navarro, H., Beckers, J., Brandt, P., Briggs, J., Brown, T., Brown, W., Collados, M., Denker, C., Fletcher, S., Hegwer, S., Hill, F., Horst, T., Komsa, M., Kuhn, J., Lecinski, A., Lin, H., Oncley, S., Penn, M., Rimmele, T., and Streander, K., 2005: Solar Site Survey for the Advanced Technology Solar Telescope. I. Analysis of the Seeing Data. Publications of the Astronomical Society of the Pacific 117, 1296-1305
     
  • Steinegger, M., Hanslmeier, A., Otruba, W., Freislich, H., Denker, C., Goode, P. R., Marquette, W. M., Varied, J., Wang, H., Luo, G., Chen, D., and Zhang, Q., 2000: An Overview of the New Global High-Resolution Hα Network. Hvar Observatory Bulletin 24, 179-184
     
  • Verdoni, A. and Denker, C., 2007: The Local Seeing Environment at Big Bear Solar Observatory. Publications of the Astronomical Society of the Pacific 119, 793-804
     
  • Wang, H., Liu, C., Qiu, J., Deng, N., Goode, P. R., and Denker, C., 2004: Rapid Penumbral Decay following Three X-Class Solar Flares. Astrophysical Journal 601, L195-L198
  • Wang, H., Spirock, T. J., Qiu, J., Ji, H., Yurchyshyn, V., Moon, Y.-J., Denker, C., and Goode, P. R., 2002: Rapid Changes of Magnetic Fields Associated with Six X-Class Flares. Astrophysical Journal 576, 497-504
  • Wang, H., Goode, P. R., Denker, C., Yang, G., Yurchishin, V., Nitta, N., Gurman, J. B., St. Cyr, C., and Kosovichev, A. G., 2000: Comparison of the 1998 April 29 M6.8 and 1998 November 5 M8.4 Flares. Astrophysical Journal 536, 971-981
  • Wang, H., Qiu, J., Denker, C., Spirock, T., Chen, H., and Goode, P. R., 2000: High-Cadence Observations of an Impulsive Flare. Astrophysical Journal 542, 1080-1087
  • Wang, H., Denker, C., Spirock, T., Goode, P. R., Yang, S., Marquette, W., Varsik, J., Fear, R. J., Nenow, J., and Dingley, D. D., 1998: New Digital Magnetograph at Big Bear Solar Observatory. Solar Physics 183, 1-13
     
  • Wang, J., Wang, H., Goode, P. R., Spirock, T. J., Lee, C.-Y., Ravindra, N. M., Ma, J., and Denker, C., 2001: Optical Design of Near-Infrared Birefringent Filter System and Measurement of Birefringent Index of Calcite at 1.56 μm. Optical Engineering 40, 1016-1023
     
  • Wang, J., Li, W., Denker, C., Lee, C., Wang, H., Goode, P. R., McAllister, A., and Martin, S. F., 2000: Minifilament Eruption on the Quiet Sun. I. Observations at Hα Central Line. Astrophysical Journal 530, 1071-1084
     
  • Wilken, V., de Boer, C. R., Denker, C., and Kneer, F., 1997: Speckle Measurements of the Centre-to-Limb variation of the Solar Granulation. Astronomy and Astrophysics 325, 819-824
     
  • Xu, Y., Cao, W., Liu, C., Yang, G., Jing, J., Denker, C., Emslie, A. G., and Wang, H., 2006: High-Resolution Observations of Multiwavelength Emissions during Two X-Class White-Light Flares. Astrophysical Journal 641, 1210-1216
  • Xu, Y., Cao, W., Ma, J., Hartkorn, K., Jing, J., Denker, C., and Wang, H., 2005: Properties of Small Dark Features Observed in the Pure Near-Infrared and Visible Continua. Astrophysical Journal 628, L167-L170
  • Xu, Y., Cao, W., Liu, C., Yang, G., Qiu, J., Jing, J., Denker, C., and Wang, H., 2004: Near-Infrared Observations at 1.56 Microns of the 2003 October 29 X10 White-Light Flare. Astrophysical Journal 607, L131-L134
  • Xu, Y., Yang, G., Qiu, J., Spirock, T. J., Jing, J., Denker, C., and Wang, H., 2004: Visible and near-infrared contrast of faculae in active region NOAA 8518. Chinese Journal of Astronomy and Astrophysics 4, 481-489
     
  • Yang, G., Xu, Y., Cao, W., Wang, H., Denker, C., and Rimmele, T. R., 2004: Photospheric Shear Flows along the Magnetic Neutral Line of Active Region 10486 prior to an X10 Flare. Astrophysical Journal 617, L151-L154
  • Yang, G., Xu, Y., Wang, H., and Denker, C., 2003: High Spatial Resolution Observations of Pores and the Formation of a Rudimentary Penumbra. Astrophysical Journal 597, 1190-1199
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Carsten Denker