Publications of Olaf Hälker

Meidinger, N.; Andritschke, R.; Dennerl, K.; Emberger, V.; Eraerds, T.; Hälker, O.; Hartner, G.; Pietschner, D.; Reiffers, J.: eROSITA camera array on the SRG satellite. Journal of Astronomical Telescopes Instruments and Systems 7 (2), 025004 (2021)

Predehl, P.; Andritschke, R.; Arefiev, V.; Babyshkin, V.; Batanov, O.; Becker, W.; Böhringer, H.; Bogomolov, A.; Boller, T.; Borm, K. et al.; Bornemann, W.; Bräuninger, H.; Brüggen, M.; Brunner, H.; Brusa, M.; Bulbul, E.; Buntov, M.; Burwitz, V.; Burkert, W.; Clerc, N.; Churazov, E.; Coutinho, D.; Dauser, T.; Dennerl, K.; Doroshenko, V.; Eder, J.; Emberger, V.; Eraerds, T.; Finoguenov, A.; Freyberg, M.; Friedrich, P.; Friedrich, S.; Fürmetz, M.; Georgakakis, A.; Gilfanov, M.; Granato, S.; Grossberger, C.; Gueguen, A.; Gureev, P.; Haberl, F.; Hälker, O.; Hartner, G.; Hasinger, G.; Huber, H.; Ji, L.; Kienlin, A. v.; Kink, W.; Korotkov, F.; Kreykenbohm, I.; Lamer, G.; Lomakin, I.; Lapshov, I.; Liu, T.; Maitra, C.; Meidinger, N.; Menz, B.; Merloni, A.; Mernik, T.; Mican, B.; Mohr, J.; Müller, S.; Nandra, K.; Nazarov, V.; Pacaud, F.; Pavlinsky, M.; Perinati, E.; Pfeffermann, E.; Pietschner, D.; Ramos-Ceja, M. E.; Rau, A.; Reiffers, J.; Reiprich, T. H.; Robrade, J.; Salvato, M.; Sanders, J.; Santangelo, A.; Sasaki, M.; Scheuerle, H.; Schmid, C.; Schmitt, J.; Schwope, A.; Shirshakov, A.; Steinmetz, M.; Stewart, I.; Strüder, L.; Sunyaev, R.; Tenzer, C.; Tiedemann, L.; Trümper, J.; Voron, V.; Weber, P.; Wilms, J.; Yaroshenko, V.: The eROSITA X-ray telescope on SRG. Astronomy and Astrophysics 647, A1 (2021)

Strüder, L.; Epp, S.; Rolles, D.; Hartmann, R.; Holl, P.; Lutz, G.; Soltau, H.; Eckart, R.; Reich, C.; Heinzinger, K. et al.; Thamm, C.; Rudenko, A.; Krasniqi, F.; Kühnel, K.-U.; Bauer, C.; Schröter, C.-D.; Moshammer, R.; Techert, S.; Miessner, D.; Porro, M.; Hälker, O.; Meidinger, N.; Kimmel, N.; Andritschke, R.; Schopper, F.; Weidenspointner, G.; Ziegler, A.; Pietschner, D.; Herrmann, S.; Pietsch, U.; Walenta, A.; Leitenberger, W.; Bostedt, C.; Möller, T.; Rupp, D.; Adolph, M.; Graafsmag, H.; Hirsemann, H.; Gärtner, K.; Richter, R.; Foucar, L.; Shoeman, R. L.; Schlichting, I.; Ullrich, J.: Large-format, high-speed, X-ray pnCCDs combined with electron and ion imaging spectrometers in a multipurpose chamber for experiments at 4th generation light sources. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 614 (3), pp. 483 - 496 (2010)

Treis, J.; Fischer, P.; Hartner, M.; Hälker, O.; Herrmann, S.; Kohrs, R.; Krüger, H.; Lechner, P.; Lutz, G.; Peric, I. et al.; Porro, M.; Richter, R.; Strüder, L.; Trimpl, M.; Wermes, N.: DEPMOSFET active pixel sensor prototypes for the XEUS wide field imager. IEEE Transactions on Nuclear Science 52 (4), pp. 1083 - 1091 (2005)

Lederhuber, A.; Reiffers, J.; Mican, B.; Laifr, J.; Pliego, S.; Sönmez, A.; Schanz, T.; Veredas Ramirez, F. J.; Haelker, O.; Tenzer, C. et al.; Albrecht, S.; Schnetler, H.: Detector Electronics Sub-System development for the NewAthena Wide Field Imager. In: SPACE TELESCOPES AND INSTRUMENTATION 2024: ULTRAVIOLET TO GAMMA RAY, PT 1, 130934E. Conference on Space Telescopes and Instrumentation - Ultraviolet to Gamma Ray, Yokohama, JAPAN, June 16, 2024 - June 21, 2024. SPIE-INT SOC OPTICAL ENGINEERING, 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA (2024)

Saraf, A. M.; Antonelli, V.; Pietschner, D.; Mayr, A.; Müller-Seidlitz, J.; Haelker, O.; Schnetler, H.; Nandra, K.: Thermal design and control of Athena Wide Field Imager (WFI) Camera Head. In: SPACE TELESCOPES AND INSTRUMENTATION 2024: ULTRAVIOLET TO GAMMA RAY, PT 1, 1309348. Conference on Space Telescopes and Instrumentation - Ultraviolet to Gamma Ray, Yokohama, JAPAN, June 16, 2024 - June 21, 2024. SPIE-INT SOC OPTICAL ENGINEERING, 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA (2024)

Reiffers, J.; Albrecht, S.; Haelker, O.; Lederhuber, A.; Mican, B.; Veredas, F. J.: Hardware development of Athena WFI frame processing module. In: Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, Vol. 12181. SPIE Astronomical Telescopes + Instrumentation,, Montréal, Québec, Canada, July 17, 2022 - July 23, 2022. (2022)

Meidinger, N.; Andritschke, R.; Dennerl, K.; Emberger, V.; Eraerds, T.; Haelker, O.; Hartner, G.; Pietschner, D.; Reiffers, J.: The eROSITA camera array on the SRG satellite. In: Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, Vol. 11444, 114444O . Conference on Space Telescopes and Instrumentation - Ultraviolet to Gamma Ray / SPIE Astronomical Telescopes + Instrumentation Conference, ELECTR NETWORK, December 14, 2020 - December 18, 2020. (2020)

Plattner, M.; Albrecht, S.; Hälker, O.; Lederhuber, A.; Meidinger, N.; Ott, S.; Pliego, S.; Reiffers, J.; Schanz, T.; Tenzer, C.: Technology development of Athena WFI frame processor electronics and verification of its real-time performance. In: Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, Vol. 11444, 1144447 . Conference on Space Telescopes and Instrumentation - Ultraviolet to Gamma Ray / SPIE Astronomical Telescopes + Instrumentation Conference, ELECTR NETWORK, December 14, 2020 - December 18, 2020. (2020)

Plattner, M.; Albrecht, S.; Bayer, J.; Brandt, S.; Drumm, P.; Hälker, O.; Kerschbaum, F.; Koch, A.; Kuvvetli, I.; Meidinger, N. et al.; Ott, S.; Ottensamer, R.; Reiffers, J.; Schanz, T.; Skup, K.; Steller, M.; Tenzer, C.; Thomas, C.: WFI electronics and on-board data processing. In: Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 99052D, pp. 1 - 9 (Eds. Den Herder, J.-W. A.; Takahashi, T.; Bautz, M.). Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, Edinburgh, United Kingdom, June 26, 2016. (2016)

Predehl, P.; Andritschke, R.; Babyshkin, V.; Becker, W.; Bornemann, W.; Bräuninger, H.; Brunner, H.; Boller, T.; Burwitz, V.; Burkert, W. et al.; Clerc, N.; Churazov, E.; Coutinho, D.; Dennerl, K.; Dwelly, T.; Eder, J.; Emberger, V.; Freyberg, M.; Friedrich, P.; Fürmetz, M.; Georgakakis, A.; Gilfanov, M.; Grossberger, C.; Haberl, F.; Hälker, O.; Hartner, G.; Kienlin, A. v.; Kink, W.; Kreykenbohm, I.; Lamer, G.; Lomakin, I.; Lapshov, I.; Meidinger, N.; Merloni, A.; Mican, B.; Müller, S.; Nandra, K.; Pavlinsky, M.; Pfeffermann, E.; Pietschner, D.; Robrade, J.; Salvato, M.; Santangelo, A.; Sasaki, M.; Scheuerle, H.; Schmitt, J.; Schwope, A.; Sunyaev, R.; Tenzer, C.; Yaroshenko, V.; Wilms, J.: eROSITA on SRG. In: Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 99051K, pp. 1 - 8 (Eds. Den Herder, J.-W. A.; Takahashi, T.; Bautz, M.). Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, Edinburgh, United Kingdom, June 26, 2016. (2016)

Meidinger, N.; Andritschke, R.; Bornemann, W.; Coutinho, D.; Emberger, V.; Hälker, O.; Kink, W.; Mican, B.; Müller, S.; Pietschner, D. et al.; Predehl, P.; Reiffers, J.; and the entire eROSITA camera team: Report on the eROSITA camera system. In: Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 91441W, pp. 1 - 12 (Eds. Takahashi, T.; den Herder, J.-W. A.; Bautz, M.). Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, Montreal, Canada, June 22, 2014 - June 26, 2014. (2014)

Predehl, P.; Andritschke, R.; Becker, W.; Bornemann, W.; Bräuninger, H.; Brunner, H.; Boller, T.; Burwitz, V.; Burkert, W.; Clerc, N. et al.; Churazov, E.; Coutinho, D.; Dennerl, K.; Eder, J.; Emberger, V.; Eraerds, T.; Freyberg, M. J.; Friedrich, P.; Fürmetz, M.; Georgakakis, A.; Grossberger, C.; Haberl, F.; Hälker, O.; Hartner, G.; Hasinger, G.; Hoelzl, J.; Huber, H.; von Kienlin, A.; Kink, W.; Kreykenbohm, I.; Lamer, G.; Lomakin, I.; Lapchov, I.; Lovisari, L.; Meidinger, N.; Merloni, A.; Mican, B.; Mohr, J.; Müller, S.; Nandra, K.; Pacaud, F.; Pavlinsky, M. N.; Perinati, E.; Pfeffermann, E.; Pietschner, D.; Reiffers, J.; Reiprich, T.; Robrade, J.; Salvato, M.; Santangelo, A. E.; Sasaki, M.; Scheuerle, H.; Schmid, C.; Schmitt, J.; Schwope, A. D.; Sunyaev, R.; Tenzer, C.; Tiedemann, L.; Xu, W.; Yaroshenko, V.; Walther, S.; Wille, M.; Wilms, J.; Zhang, Y.-Y.: eROSITA on SRG. In: Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 91441T, pp. 1 - 6 (Eds. Takahashi, T.; den Herder, J.-W. A.; Bautz, M.). Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, Montreal, Canada, June 22, 2014 - June 26, 2014. (2014)

Meidinger, N.; Andritschke, R.; Aschauer, F.; Bornemann, W.; Emberger, V.; Eraerds, T.; Fürmetz, M.; Hälker, O.; Hartner, G.; Kink, W. et al.; Müller, S.; Pietschner, D.; Predehl, P.; Reiffers, J.; Walther, S.; Weidenspointner, G.; and the entire eROSITA camera team: Progress of the X-ray CCD camera development for the eROSITA telescope. In: UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVIII, 88590B, pp. 1 - 12 (Ed. Siegmund, O. H.). UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVIII, San Diego, California, USA, August 25, 2013 - August 26, 2013. (2013)

Meidinger, N.; Andritschke, R.; Aschauer, F.; Elbs, J.; Eraerds, T.; Granato, S.; Hälker, O.; Hartner, G.; Mießner, D.; Pietschner, D. et al.; Predehl, P.; Reiffers, J.; Strüder, L.; von Kienlin, A.; Walther, S.: Design and performance of the eROSITA focal plane instrumentation. In: High Energy, Optical, and Infrared Detectors for Astronomy V, 84530P, pp. 1 - 11 (Eds. Holland, A. D.; Beletic, J. W.). High Energy, Optical, and Infrared Detectors for Astronomy V, Amsterdam, Netherlands, July 01, 2012 - July 04, 2012. Society of Photo-Optical Instrumentation Engineers, Bellingham, Wash., USA (2012)

Meidinger, N.; Andritschke, R.; Elbs, J.; Granato, S.; Hälker, O.; Hartner, G.; Herrmann, S.; Miessner, D.; Pietschner, D.; Predehl, P. et al.; Reiffers, J.; Rommerskirchen, T.; Schmaler, G.; Strüder, L.; Tiedemann, L.: Status of the CCD camera for the eROSITA space telescope. In: UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVII, 814502, pp. 1 - 12 (Ed. Siegmund, O. H.). UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVII, San Diego, CA, USA, August 21, 2011 - August 24, 2011. (2011)

Predehl, P.; Andritschke, R.; Becker, W.; Böhringer, H.; Bornemann, W.; Bräuninger, H.; Brunner, H.; Brusa, M.; Burkert, W.; Burwitz, V. et al.; Churazov, E.; Dennerl, K.; Eder, J.; Elbs, J.; Freyberg, M.; Friedrich, P.; Fürmetz, M.; Gaida, R.; Guglielmetti, F.; Hälker, O.; Hartner, G.; Haberl, F.; Herrmann, S.; Huber, H.; Kendziorra, E.; von Kienlin, A.; Kink, W.; Kreykenbohm, I.; Lamer, G.; Lapchov, I.; Meidinger, N.; Merloni, A.; Mican, B.; Mohr, J.; Mühlegger, M.; Müller, S.; Nandra, K.; Pavlinsky, M.; Pfeffermann, E.; Reiprich, T.; Robrade, J.; Rohé, C.; Santangelo, A.; Sasaki, M.; Schächner, G.; Schmid, C.; Schmitt, J.; Schreib, R.; Schrey, F.; Schwope, A.; Steinmetz, M.; Strüder, L.; Sunyaev, R.; Tenzer, C.; Tiedemann, L.; Vongehr, M.; Wilms, J.: eROSITA. In: UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVII, 81450D, pp. 1 - 10 (Ed. Siegmund, O. H.). UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVII, San Diego, CA, USA, August 21, 2011 - August 24, 2011. (2011)

Meidinger, N.; Andritschke, R.; Ebermayer, S.; Elbs, J.; Hälker, O.; Hartmann, R.; Herrmann, S.; Kimmel, N.; Schächner, G.; Schopper, F. et al.; Soltau, H.; Strüder, L.; Weidenspointner, G.: Development of the focal plane PNCCD camera system for the X-ray space telescope eROSITA. 11th European Symposium on Semiconductor Detectors, Wildbad Kreuth, Germany, June 07, 2009 - June 11, 2009. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 624 (2), pp. 321 - 329 (2010)

Schächner, G.; Andritschke, R.; Hälker, O.; Herrmann, S.; Kimmel, N.; Meidinger, N.; Strüder, L.: First qualification and selection of the eROSITA PNCCDs. 11th European Symposium on Semiconductor Detectors, Wildbad Kreuth, Germany, June 07, 2009 - June 11, 2009. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 624 (2), pp. 330 - 333 (2010)

Elbs, J.; Andritschke, R.; Hälker, O.; Hartmann, R.; Herrmann, S.; Kimmel, N.; Meidinger, N.; Strüder, L.: Electronic test system for the eROSITA X-ray PNCCDs. In: High Energy, Optical, and Infrared Detectors for Astronomy IV, 774211, pp. 1 - 8 (Eds. Holland, A. D.; Dorn, D. A.). High Energy, Optical, and Infrared Detectors for Astronomy IV , San Diego, CA, USA, June 27, 2010 - June 30, 2010. (2010)