• Elektrovej, 328, 210

    2800 Kgs. Lyngby

    Denmark

1985 …2018

Research output per year

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Research Output

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Article in proceedings
2018

Simulating the optical performances of the ATHENA X-ray telescope optics

Sironi, G., Della Monica Ferreira, D., Spiga, D., Knudsen, E. B., Bavdaz, M., Bianucci, G., Christensen, F. E., Ferreira, I., Fioretti, V., Jegers, A. S., Lotti, S., Macculi, C., Marioni, F., Massahi, S., Molendi, S., Moretti, A., Pareschi, G., Shortt, B., Tagliaferri, G., Valsecchi, G. & 2 others, Westergaard, N. J. & Wille, E., 2018, Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray. den Herder, J-W. A., Nikzad, S. & Nakazawa, K. (eds.). SPIE - International Society for Optical Engineering, Vol. 10699. 11 p. 106993N

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
224 Downloads (Pure)

The McXtrace AstroX toolbox: a general ray tracing software package for end to end simulation of x-ray optics for astronomical instrumentation

Knudsen, E. B., Ferreira, D. D. M., Westergaard, N. J. S., Christensen, F. E., Massahi, S., Shortt, B., Ferreira, I. & Spiga, D., 2018, Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray. J-W. A. D. H., S. N. & K. N. (eds.). SPIE - International Society for Optical Engineering, Vol. 10699. p. 106993-2-106993S-7 7 p. (Proceedings of S P I E - International Society for Optical Engineering).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
268 Downloads (Pure)
2017

Optical simulations for design, alignment, and performance prediction of silicon pore optics for the ATHENA x-ray telescope

Spiga, D., Della Monica Ferreira, D., Shortt, B., Bavdaz, M., Bergback Knudsen, E., Bergbäck Knudsen, E., Bianucci, G., Christensen, F. E., Civitani, M., Collon, M., Conconi, P., Fransen, S., Marioni, F., Massahi, S., Pareschi, G., Salmaso, B., Jegers, A. S., Tayabaly, K., Valsecchi, G., Westergaard, N. J. S. & 1 others, Wille, E., 2017, Optics for EUV, X-Ray, and Gamma-Ray Astronomy VIII. O'Dell, S. L. & Pareschi, G. (eds.). SPIE - International Society for Optical Engineering, Vol. 10399. 33 p. 103990H. (Proceedings of S P I E - International Society for Optical Engineering, Vol. 10399).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
168 Downloads (Pure)
2016

Simulating X-ray telescopes with McXtrace: A case study of ATHENA's optics

Della Monica Ferreira, D., Bergbäck Knudsen, E., Westergaard, N. J. S., Christensen, F. E., Massahi, S., Shortt, B., Spiga, D., Solstade, M. & Lefmann, K., 2016, Proceedings of Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray. den Herder, J-W. A., Takahashi, T. & Bautz, M. (eds.). SPIE - International Society for Optical Engineering, Vol. 9905. 8 p. 990576

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Simulation and modeling of silicon pore optics for the ATHENA X-ray telescope

Spiga, D., Christensen, F. E., Bavdaz, M., Civitani, M. M., Conconi, P., Della Monica Ferreira, D., Bergbäck Knudsen, E., Massahi, S., Pareschi, G., Salmaso, B., Shortt, B., Tayabaly, K., Westergaard, N. J. S. & Wille, E., 2016, Proceedings of Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray. den Herder, J-W. A., Takahashi, T. & Bautz, M. (eds.). SPIE - International Society for Optical Engineering, Vol. 9905. 24 p. 99055O

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2014

In-flight PSF calibration of the NuSTAR hard X-ray optics

An, H., Madsen, K. K., Westergaard, N. J., Boggs, S. E., Christensen, F. E., Craig, W. W., Hailey, C. J., Harrison, F. A., Stern, D. K. & Zhang, W. W., 2014, Proceedings of the SPIE Astronomical Telescopes + Instrumentation 2014: Ultraviolet to Gamma Ray. Takahashi, T., den Herder, J-W. A. & Bautz, M. (eds.). SPIE - International Society for Optical Engineering, Vol. 9144. 10 p. 91441Q. (Proceedings of S P I E - International Society for Optical Engineering, Vol. 9144).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
425 Downloads (Pure)

The nuclear spectroscopic telescope array (NuSTAR) high-energy X-ray mission

Madsen, K. K., Harrison, F. A., Hongjun An, Boggs, S. E., Christensen, F. E., Cook, R., Craig, W. W., Forster, K., Fuerst, F., Grefenstette, B., Hailey, C. J., Kitaguchi, T., Markwardt, C., Mao, P., Miyasaka, H., Rana, V., Stern, D. K., Zhang, W. W., Zoglauer, A., Walton, D. & 1 others, Westergaard, N. J., 2014, Proceedings of the SPIE Astronomical Telescopes + Instrumentation 2014: Ultraviolet to Gamma Ray: Conference volume 9144. Takahashi, T., den Herder, J-W. A. & Bautz, M. (eds.). SPIE - International Society for Optical Engineering, Vol. 9144. 11 p. 91441P. (S P I E - International Society for Optical Engineering. Proceedings, Vol. 9144).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
405 Downloads (Pure)
2012

NuSTAR on-ground calibration I: Imaging quality

Westergaard, N. J. S., Madsen, K. K., Brejnholt, N., Koglin, J. E., Christensen, F. E., Pivovaroff, M. J. & Vogel, J. K., 2012, Proceedings of SPIE: SPIE Astronomical Telescopes + Instrumentation 2012. SPIE - International Society for Optical Engineering, p. 84431X 10 p. (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 8343).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

NuSTAR on-ground calibration II: Effective area

Brejnholt, N., Christensen, F. E., Westergaard, N. J. S., Hailey, C. J., Koglin, J. E. & Craig, W. W., 2012, Proceedings of SPIE: SPIE Astronomical Telescopes + Instrumentation 2012. SPIE - International Society for Optical Engineering, 10 p. (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 8343).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
344 Downloads (Pure)
2009

A JEM-X Catalog of X-ray Sources

Westergaard, N. J. S., 2009, Proceedings of Science: PoS. 6 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
271 Downloads (Pure)
2007

A JEM-X catalog of X-ray sources

Westergaard, N. J. S., Chenevez, J., Lund, N., Budtz-Jørgensen, C. & Brandt, S. K., 2007, 6TH INTEGRAL WORKSHOP: THE OBSCURED UNIVERSE. ESA PUBLICATIONS DIVISION C/O ESTEC, Vol. 622. p. 275-278

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2006

JEM-X: three years in space

Budtz-Jørgensen, C., Lund, N., Westergaard, N. J. S., Brandt, S. K., Oxborrow, C. A., Chenevez, J., Rasmussen, I. L., Laursen, S., Pedersen, S. M., Polny, J., Kretschmar, P., Vilhu, O., Feroci, M., Frontera, F., Juchnikowski, G., Reglero, V., Martínez-Núnez, S., Larsson, S., Zdziarski, A. & Fahmy, S., 2006, Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray. Turner, M. J. L. & Hasinger, G. (eds.). (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 6266).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

JEM-X catalog of X-ray sources

Westergaard, N. J. S., Chenevez, J., Lund, N., Budtz-Jørgensen, C. & Brandt, S. K., 2006, Proceedings of the 6th INTEGRAL Workshop.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

X-ray bursts observed with JEM-X

Brandt, S. K., Chenevez, J., Lund, N., Budtz-Jørgensen, C. & Westergaard, N. J. S., 2006, ESA SP-622. ESA PUBLICATIONS DIVISION C/O ESTEC, Vol. 622. p. 441-443

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2004

A JEM-X Survey for Weak Sources

Westergaard, N. J. S., Budtz-Jørgensen, C., Lund, N., Chenevez, J., Brandt, S., Kretschmar, P., Walter, R., Larsson, S., Maisala, S. & Huovelin, J., 2004, Proceedings of the 5th INTEGRAL Workshop on the INTEGRAL Universe. Schönfelder, V., Lichti, G. & Winkler, C. (eds.). Munich: European Space Agency, p. 153- 6 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Correcting for the Unexpected: Dead Anodes, Glitches, Hotspots and Gain Drift in JEM-X Data Processing

Oxborrow, C. A., Lund, N., Brandt, S., Chenevez, J., Budtz-Jørgensen, C., Westergaard, N. J. S., Rasmussen, I. L. & Kretschmar, P., 2004, Proceedings of the 5th INTEGRAL Workshop on the INTEGRAL Universe. Schönfelder, V., Lichti, G. & Winkler, C. (eds.). Munich: European Space Agency, p. 879- 4 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

GRS 1915+105: The First Three Months with INTEGRAL

Hannikainen, D. C., Vilhu, O., Rodriguez, J., Westergaard, N. J. S., Shaw, S., Pooley, G. G., Belloni, T., Zdziarski, A. A., Hunstead, R. W., Wu, K., Brandt, S., Castro-Tirado, A., Charles, P. A., Dean, A. J., Durouchoux, P., Fender, R. P., Hakala, P., Kaiser, C. R., King, A. R., Lund, N. & 2 others, Mirabel, I. F. & Poutanen, J., 2004, Proceedings of the 5th INTEGRAL Workshop on the INTEGRAL Universe. Schönfelder, V., Lichti, G. & Winkler, C. (eds.). Munich: European Space Agency, p. 299- 7 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

High-Energy Behaviour of the BHC IGR J17464-3213

Capitanio, F., Kretschmar, K., Ubertini, P., Barlow, E. J., Bazzano, A., Brandt, S., Bouchet, L., Budtz-Jørgensen, C., Cadolle Bel, M., Castro-Tirado, A., Dean, A. J., De Cesare, G., Del Santo, M., Farinelli, R., Frontera, F., Gehrels, N., Goldoni, P., Goldwurm, A., Huovelin, J., Lund, N. & 9 others, Mirabel, F., Natalucci, L., Piraino, S., Reglero, V., Roques, J. P., Tarana, A., Vilhu, O., Westergaard, N. J. S. & Zdziarski, A. A., 2004, Proceedings of the 5th INTEGRAL Workshop on the INTEGRAL Universe. Schönfelder, V., Lichti, G. & Winkler, C. (eds.). Munich: European Space Agency, p. 313- 4 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

JEM-X: The X-ray monitor on INTEGRAL

Budtz-Jørgensen, C., Lund, N., Westergaard, N. J. S., Brandt, S. K., Hornstrup, A., Rasmussen, I. L., Laursen, S., Pedersen, S. M., Kristensen, R. E., Mogensen, P. B., Andersen, K. H., Rasmussen, I. L., Polny, J., Jensen, P. A., Oxborrow, C. A., Chenevez, J., Omoe, K., Kämäräinen, V. J., Andersson, T. B., Vilhu, O. R. & 24 others, Huovelin, J., Costa, E., Feroci, M., Rubini, A., Morelli, E., Morbidini, A., Frontera, F., Pelliciari, C., Loffredo, G., Zavattini, G., Carassiti, V., Morawski, M., Juchnikowski, G., Reglero, V., Peris, J., Collado, V., Rodirgo, J. M., Perez, F., Requena, J. L., Larsson, S., Svensson, R., Zdziarski, A., Castro-Tirado, A. J. & Schnopper, H. W., 2004, X-ray and Gamma-ray Instumentation for Astronomy XIII. Flanagan, K. A. & Siegmund, O. H. W. (eds.). p. 139-150 (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 5165).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Performance of JEM-X on INTEGRAL

Lund, N., Budtz-Jørgensen, C., Oxborrow, C. A., Chenevez, J., Brandt, S., Rasmussen, I. L. & Westergaard, N. J. S., 2004, Proceedings of the 5th INTEGRAL Workshop on the INTEGRAL Universe. Schönfelder, V., Lichti, G. & Winkler, C. (eds.). Munich: European Space Agency, p. 723- 6 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2002

Integral/JEM-X data and analysis

Kretschmar, P., Westergaard, N. J. S., Oxborrow, C. A., Larsson, S., Maisala, S., Huovelin, J., Hornstrup, A., Brandt, S. K., Budtz-Jørgensen, C., Lund, N., Rasmussen, I. L., Juchnikowski, G., Morawski, M. & Martinez-Nuñez, S., 2002, Proceedins of the XXXVII Rencontres de Moriond. Goldwurm, A., Neumann, D. N. & Vân Les Arc, J. T. T. (eds.).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2000

The Ballerina gamma-ray burst experiment on the Rømer mission

Lund, N., Brandt, S. K., Westergaard, N. J. S., Gorosabel, J. & Pedersen, K., 2000, Proceedings of the 2nd workshop: "Gamma Ray Bursts in the Afterglow Era.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

The ground calibration apparatus of the JEM-X instrument onboard INTEGRAL

Pelliciari, C., De Paoli Vitali, M., Frontera, F., Carassiti, V., Evangilisti, F., Budtz-Jørgensen, C. & Westergaard, N. J. S., 2000, Proceedings of the 4th INTEGRAL workshop.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

1999

Development of large-area CZT-detector systems

Kuvvetli, I., Budtz-Jørgensen, C., Westergaard, N. J. S., Jonasson, P., van Pamelen, M. A., Reglero, V., Eyles, C. J. & Neubert, T., 1999, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 3765. 370 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

The scientific role of JEM-X: the X-ray monitor on INTEGRAL

Lund, N., Westergaard, N. J. S., Brandt, S. K., Hornstrup, A. & Budtz-Jørgensen, C., 1999, Proceedings of the 5th Compton Symposium.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

1997

Ground and off-board calibration design of the JEM-X detector

Frontera, F., Zavattini, G., Budtz-Jørgensen, C., Christensen, F. E. & Westergaard, N. J. S., 1997, Proceedings of 2nd INTEGRAL workshop. 663 p. (ESA; No. SP-382).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

JEM-X detector

Kämärainen, V., Budtz-Jørgensen, C., Westergaard, N. J. S. & Schnopper, H. W., 1997, Proceedings of 2nd INTEGRAL workshop. 655 p. (ESA; No. SP-382).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

JEM-X scientific performance

Budtz-Jørgensen, C., Westergaard, N. J. S. & Schnopper, H. W., 1997, Proceedings of 2nd INTEGRAL workshop. Vol. 651. (ESA; No. SP-382).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Optical measurements of the XSPECT mirrors and the assembled mirror modules for the SODART X-ray telescope on board the Spectrum-X-Gamma satellite

Westergaard, N. J. S., Polny, J., Christensen, F. E., Nørgaard-Nielsen, H. U. & Schnopper, H. W., 1997, Proceedings of SPIE. SPIE-Int. Soc. Opt. Eng, USA, Vol. 3113. 458 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Production, assembly and alignment of the XSPECT mirror modules for the SODART X-ray telescope on board the Spectrum Röntgen Gamma satellite

Polny, J., Westergaard, N. J. S., Christensen, F. E., Nørgaard-Nielsen, H. U. & Schnopper, H. W., 1997, Proceedings of SPIE. Vol. 3113. 349 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Response Function of the SODART-OXS Bragg-Spectrometer on board the SRG Satellite

Abdali, S., Wiebicke, H. J., Halm, I., Christensen, F. E. & Westergaard, N. J. S., 1997, SPIE proceedings: Grazing Incidence and Multilayer X-Ray Optical Systems. Vol. 3113. 307 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Science with JEM-X

Westergaard, N. J. S., Budtz-Jørgensen, C., Schnopper, H. W., Svensson, R., Vilhu, O., Fabian, A. C. & Castro-Tirado, A., 1997, Proceedings of ESA. 605 p. (ESA; No. SP 382).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

The JEM-X masks

Ballesteros, F., Collado, C., Budtz-Jørgensen, C. & Westergaard, N. J. S., 1997, Proceedings of 2nd INTEGRAL workshop. 659 p. (ESA; No. SP-382).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

X-ray calibration of the SODART flight telescopes

Christensen, F. E., Madsen, B., Hornstrup, A., Frederiksen, P., Abdali, S., Westergaard, N. J. S., Budtz-Jørgensen, C., Jonasson, P., Hall, C. & Lewis, R. A., 1997, Proceedings of SPIE 3113. 294 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

1996

Joint European x-ray monitor (JEM-X): x-ray monitor for ESA's

Schnopper, H. W., Budtz-Joergensen, C., Westergaard, N. J. S., Hornstrup, A., Kamarainen, V. J., Huovelin, J., Vilhu, O., Costa, E., Piro, L., Frontera, F., Manzo, G., Giarrusso, S., Castro-Tirado, A. J., Reglero, V., Svensson, R., Fabian, A. C. & Zdziarski, A., 1996, Proc. SPIE: Gamma-Ray and Cosmic-Ray Detectors, Techniques, and Missions. Ramsey, B. D. & Parnell, T. A. (eds.). Vol. 2806. p. 297-307

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Preliminary background prediction for the INTEGRAL x-ray monitor

Feroci, M., Costa, E., Budtz-Joergensen, C., Schnopper, H. W., Westergaard, N. J. S. & Rapisarda, M., 1996, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 2806. p. 494-501

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review