• Elektrovej, 328, 210

    2800 Kgs. Lyngby

    Denmark

1985 …2018

Research output per year

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Research Output

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
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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)

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)

Soft X-ray focusing Telescope aboard AstroSat: Early results

Singh, K. P., Dewangan, G. C., Chandra, S., Bhattacharayya, S., Chitnis, V., Stewart, G. C. & Westergaard, N. J., 2017, In : Current Science. 113, 4, p. 587-590

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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153 Downloads (Pure)

Soft X-ray Focusing Telescope Aboard AstroSat: Design, Characteristics and Performance

Singh, K., Stewart, G., Westergaard, N. J. S., Bhattacharayya, S., Chandra, S., Chitnis, V., Dewangan, G., Kothare, A., Mirza, I., Mukerjee, K., Navalkar, V., Shah, N. H., Abbey, A., Beardmore, A., Kotak, S., Kamble, N., Vishwakarama, S., Pathare, D., Risbud, V., Koyande, J. & 21 others, Stevenson, T., Bicknell, C., Crawford, T., Hansford, G., Peters, G. H. J., Sykes, J., Agarwal, P., Sebastian, J. M., Rajarajan, A., Nagesh, G., Narendra, S., Ramesh, M., Rai, R., Navalgund, K., Sarma, K., Pandiyan, R., Subbarao, K., Gupta, T., Thakkar, N., Singh, A. & Bajpai, A., 2017, In : Journal of Astrophysics and Astronomy. 38, 11 p., 20.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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190 Downloads (Pure)

The NuSTAR Hard X-Ray Survey of the Norma Arm Region

Fornasini, F. M., Tomsick, J. A., Hong, J., Gotthelf, E. V., Bauer, F. E., Rahoui, F., Stern, D., Bodaghee, A., Chiu, J-L., Clavel, M., Corral-Santana, J., Hailey, C. J., Krivonos, R. A., Mori, K., Alexander, D. M., Barret, D., Boggs, S. E., Christensen, F. E., Craig, W., Forster, K. & 15 others, Giommi, P., Grefenstette, B. W., Harrison, F. A., Hornstrup, A., Kitaguchi, T., Koglin, J. E., Madsen, K. K., Mao, P. H., Miyasaka, H., Perri, M., Pivovaroff, M. J., Puccetti, S., Rana, V., Westergaard, N. J. S. & Zhang, W., 2017, In : Astrophysical Journal Supplement Series. 229, 2, 39 p., 33.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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230 Downloads (Pure)
2016

First Nustar Observations of the Bl Lac-Type Blazar Pks 2155-304: Constraints on the Jet Content and Distribution of Radiating Particles

Madejski, G. M., Nalewajko, K., Madsen, K. K., Chiang, J., Baloković, M., Paneque, D., Furniss, A. K., Hayashida, M., Urry, C. M., Sikora, M., Ajello, M., Blandford, R. D., Harrison, F. A., Sanchez, D., Giebels, B., Stern, D., Alexander, D. M., Barret, D., Boggs, S. E., Christensen, F. E. & 18 others, Craig, W. W., Forster, K., Giommi, P., Grefenstette, B., Hailey, C., Hornstrup, A., Kitaguchi, T., Koglin, J. E., Mao, P. H., Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M. J., Puccetti, S., Rana, V., Westergaard, N. J. S., Zhang, W. W. & Zoglauer, A., 2016, In : The Astrophysical Journal. 831, 2, 8 p., 142.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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214 Downloads (Pure)

Multiwavelength study of quiescent states of MRK 421 with unprecedented hard x-ray coverage provided by NuSTAR in 2013

Baloković, M., Paneque, D., Madejski, G., Furniss, A., Chiang, J., Ajello, M., Alexander, D. M., Barret, D., Blandford, R. D., Boggs, S. E., Christensen, F. E., Craig, W. W., Forster, K., Giommi, P., Grefenstette, B., Hailey, C., Harrison, F. A., Hornstrup, A., Kitaguchi, T., Koglin, J. E. & 284 others, Madsen, K. K., Mao, P. H., Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M. J., Puccetti, S., Rana, V., Stern, D., Tagliaferri, G., Urry, C. M., Westergaard, N. J. S., Zhang, W. W., Zoglauer, A., Archambault, S., Archer, A., Barnacka, A., Benbow, W., Bird, R., Buckley, J. H., Bugaev, V., Cerruti, M., Chen, X., Ciupik, L., Connolly, M. P., Cui, W., Dickinson, H. J., Dumm, J., Eisch, J. D., Falcone, A., Feng, Q., Finley, J. P., Fleischhack, H., Fortson, L., Griffin, S., Griffiths, S. T., Grube, J., Gyuk, G., Huetten, M., Håkansson, N., Holder, J., Humensky, T. B., Johnson, C. A., Kaaret, P., Kertzman, M., Khassen, Y., Kieda, D., Krause, M., Krennrich, F., Lang, M. J., Maier, G., McArthur, S., Meagher, K., Moriarty, P., Nelson, T., Nieto, D., Ong, R. A., Park, N., Pohl, M., Popkow, A., Pueschel, E., Reynolds, P. T., Richards, G. T., Roache, E., Santander, M., Sembroski, G. H., Shahinyan, K., Smith, A. W., Staszak, D., Telezhinsky, I., Todd, N. W., Tucci, J. V., Tyler, J., Vincent, S., Weinstein, A., Wilhelm, A., Williams, D. A., Zitzer, B., Ahnen, M. L., Ansoldi, S., Antonelli, L. A., Antoranz, P., Babic, A., Banerjee, B., Bangale, P., de Almeida, U. B., Barrio, J. A., González, J. B., Bednarek, W., Bernardini, E., Biasuzzi, B., Biland, A., Blanch, O., Bonnefoy, S., Bonnoli, G., Borracci, F., Bretz, T., Carmona, E., Carosi, A., Chatterjee, A., Clavero, R., Colin, P., Colombo, E., Contreras, J. L., Cortina, J., Covino, S., Da Vela, P., Dazzi, F., De Angelis, A., De Lotto, B., De Oña Wilhelmi, E., Mendez, C. D., Di Pierro, F., Prester, D. D., Dorner, D., Doro, M., Einecke, S., Elsaesser, D., Fernández-Barral, A., Fidalgo, D., Fonseca, M. V., Font, L., Frantzen, K., Fruck, C., Galindo, D., García López, R. J., Garczarczyk, M., Terrats, D. G., Gaug, M., Giammaria, P., Glawion, D., Godinović, N., González Muñoz, A., Guberman, D., Hahn, A., Hanabata, Y., Hayashida, M., Herrera, J. R., Hose, J., Hrupec, D., Hughes, G., Idec, W., Kodani, K., Konno, Y., Kubo, H., Kushida, J., La Barbera, A., Lelas, D., Lindfors, E., Lombardi, S., Longo, F., López, M., López-Coto, R., López-Oramas, A., Lorenz, E., Majumdar, P., Makariev, M., Mallot, K., Maneva, G., Manganaro, M., Mannheim, K., Maraschi, L., Marcote, B., Mariotti, M., Martínez, M., Mazin, D., Menzel, U., Miranda, J. M., Mirzoyan, R., Moralejo, A., Moretti, E., Nakajima, D., Neustroev, V., Niedzwiecki, A., Rosillo, M. N., Nilsson, K. K., Nishijima, K., Noda, K., Orito, R., Overkemping, A., Paiano, S., Palacio, J., Palatiello, M., Paoletti, R., Paredes, J. M., Paredes-Fortuny, X., Persic, M., Poutanen, J., Prada Moroni, P. G., Prandini, E., Puljak, I., Rhode, W., Ribó, M., Rico, J., Rodriguez Garcia, J., Saito, T., Satalecka, K., Scapin, V., Schultz, C. S., Schweizer, T., Shore, S. N., Sillanpää, A., Sitarek, J., Snidaric, I., Sobczynska, D., Stamerra, A., Steinbring, T., Strzys, M., Takalo, L., Takami, H., Tavecchio, F., Temnikov, P., Terzić, T., Tescaro, D., Teshima, M., Thaele, J., Torres, D. F., Toyama, T., Treves, A., Verguilov, V., Vovk, I., Ward, J. E., Will, M., Wu, M. H., Zanin, R., Perkins, J., Verrecchia, F., Leto, C., Böttcher, M., Villata, M., Raiteri, C. M., Acosta-Pulido, J. A., Bachev, R., Berdyugin, A., Blinov, D. A., Carnerero, M. I., Chen, W. P., Chinchilla, P., Damljanovic, G., Eswaraiah, C., Grishina, T. S., Ibryamov, S., Jordan, B., Jorstad, S. G., Joshi, M., Kopatskaya, E. N., Kurtanidze, O. M., Kurtanidze, S. O., Larionova, E. G., Larionova, L. V., Larionov, V. M., Latev, G., Lin, H. C., Marscher, A. P., Mokrushina, A. A., Morozova, D. A., Nikolashvili, M. G., Semkov, E., Smith, P. S., Strigachev, A., Troitskaya, Y. V., Troitsky, I. S., Vince, O., Barnes, J., Güver, T., Moody, J. W., Sadun, A. C., Sun, S., Hovatta, T., Richards, J. L., Max-Moerbeck, W., Readhead, A. C. R., Lähteenmäki, A., Tornikoski, M., Tammi, J., Ramakrishnan, V., Reinthal, R., Angelakis, E., Fuhrmann, L., Myserlis, I., Karamanavis, V., Sievers, A., Ungerechts, H. & Zensus, J. A., 2016, In : The Astrophysical Journal. 819, 2, 30 p., 156.

Research output: Contribution to journalJournal articleResearchpeer-review

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NuSTAR Hard X-Ray Survey of the Galactic Center Region. II. X-Ray Point Sources

Hong, J., Mori, K., Hailey, C. J., Nynka, M., Zhang, S., Gotthelf, E., Fornasini, F. M., Krivonos, R., Bauer, F., Christensen, F. E., Hornstrup, A. & Westergaard, N. J. S., 2016, In : The Astrophysical Journal. 825, 2, 32 p., 132.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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416 Downloads (Pure)

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

The Distribution of Radioactive 44ti In Cassiopeia A

Grefenstette, B. W., Fryer, C. L., Harrison, F. A., Boggs, S. E., DeLaney, T., Laming, J. M., Reynolds, S. P., Alexander, D. M., Barret, D., Christensen, F. E., Craig, W. W., Forster, K., Giommi, P., Hailey, C. J., Hornstrup, A., Kitaguchi, T., Koglin, J. E., Lopez, L., Mao, P. H., Madsen, K. K. & 11 others, Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M. J., Puccetti, S., Rana, V., Stern, D., Westergaard, N. J. S., Wik, D. R., Zhang, W. W. & Zoglauer, A., 2016, In : The Astrophysical Journal. 834, 1, 13 p., 19.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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206 Downloads (Pure)

The Nustar Extragalactic Surveys: The Number Counts of Active Galactic Nuclei and the Resolved Fraction of the Cosmic X-Ray Background

Harrison, F. A., Aird, J., Civano, F., Lansbury, G., Mullaney, J. R., Ballantyne, D. R., Alexander, D. M., Stern, D., Ajello, M., Barret, D., Christensen, F. E., Hornstrup, A. & Westergaard, N. J. S., 2016, In : The Astrophysical Journal. 831, 2, 8 p., 185.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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140 Downloads (Pure)
2015

44Ti gamma-ray emission lines from SN1987A reveal an asymmetric explosion

Boggs, S. E., Harrison, F. A., Miyasaka, H., Grefenstette, B. W., Zoglauer, A., Fryer, C. L., Reynolds, S. P., Alexander, D. M., An, H., Barret, D., Christensen, F. E., Craig, W. W., Hornstrup, A. & Westergaard, N. J. S., 2015, In : Science. 348, 6235, p. 670-671

Research output: Contribution to journalJournal articleResearchpeer-review

1 Downloads (Pure)

A NuSTAR observation of the center of the coma cluster

Gastaldello, F., Wik, D. R., Molendi, S., Westergaard, N. J. S., Hornstrup, A., Madejski, G., Ferreira, D. D. M., Boggs, S. E., Christensen, F. E. & Craig, W. W., 2015, In : Astrophysical Journal. 800, 2, 8 p., 139.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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261 Downloads (Pure)

Calibration of the Nustar High-Energy Focusing X-Ray Telescope

Madsen, K. K., Harrison, F. A., Markwardt, C. B., An, H., Grefenstette, B. W., Bachetti, M., Miyasaka, H., Kitaguchi, T., Bhalerao, V., Boggs, S., Christensen, F. E., Craig, W. W., Forster, K., Fuerst, F., Hailey, C. J., Perri, M., Puccetti, S., Rana, V., Stern, D., Walton, D. J. & 2 others, Westergaard, N. J. & Zhang, W. W., 2015, In : Astrophysical Journal Supplement Series. 220, 1, 16 p., 8.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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358 Downloads (Pure)

NuSTAR Hard X-ray Survey of the Galactic Center Region. I. Hard X-ray Morphology and Spectroscopy of the Diffuse Emission

Mori, K., Hailey, C. J., Krivonos, R., Hong, J., Ponti, G., Bauer, F., Perez, K., Nynka, M., Zhang, S., Tomsick, J. A., Alexander, D. M., Baganoff, F. K., Barret, D., Barriere, N., Boggs, S. E., Canipe, A. M., Christensen, F. E., Craig, W. W., Forster, K., Giommi, P. & 18 others, Grefenstette, B. W., Grindlay, J. E., Harrison, F. A., Hornstrup, A., Kitaguchi, T., Koglin, J. E., Luu, V., Madsen, K. K., Mao, P. H., Miyasaka, H., Perri, M., Pivovaroff, M. J., Puccetti, S., Rana, V., Stern, D., Westergaard, N. J., Zhang, W. W. & Zoglauer, A., 2015, In : Astrophysical Journal. 814, 2, 24 p., 94.

Research output: Contribution to journalJournal articleResearchpeer-review

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Rapid variability of blazar 3C 279 during flaring states in 2013-2014 with joint FERMI-LAT, NuSTAR, swift, and ground-based multi-wavelength observations

Hayashida, M., Nalewajko, K., Madejski, G. M., Sikora, M., Itoh, R., Ajello, M., Blandford, R. D., Buson, S., Chiang, J., Fukazawa, Y., Furniss, A. K., Christensen, F. E., Hornstrup, A. & Westergaard, N. J. S., 2015, In : Astrophysical Journal. 807, 18 p., 79.

Research output: Contribution to journalJournal articleResearchpeer-review

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2014

A new X-ray transient, IGR J17451-3022, discovered by INTEGRAL/JEM-X near the Galactic Centre

Chenevez, J., Vandbaek Kroer, L., Budtz-Jørgensen, C., Brandt, S., Lund, N., Westergaard, N. J. S., Kuulkers, E. & Wilms, J., 2014, In : The Astronomer´s Telegram : ATel. ATel #6451, 1 p.

Research output: Contribution to journalJournal articleResearch

Asymmetries in core-collapse supernovae from maps of radioactive 44Ti in Cassiopeia A.

Grefenstette, B. W., Harrison, F. A., Boggs, S. E., Reynolds, S. P., Fryer, C. L., Madsen, K. K., Wik, D. R., Zoglauer, A., Ellinger, C. I., Alexander, D. M., An, H., Barret, D., Christensen, F. E., Craig, W. W., Forster, K., Giommi, P., Hailey, C. J., Hornstrup, A., Kaspi, V. M., Kitaguchi, T. & 11 others, Koglin, J. E., Mao, P. H., Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M. J., Puccetti, S., Rana, V., Stern, D., Westergaard, N. J. S. & Zhang, W. W., 2014, In : Nature. 506, 7488, p. 339-342

Research output: Contribution to journalLetterResearchpeer-review

ATel #6530: IGR J17454-2919: a new X-ray transient found by INTEGRAL/JEM-X close to the Galactic Center

Chenevez, J., Brandt, S., Budtz-Jørgensen, C., Lund, N., Westergaard, N. J., Vandbaek Kroer, L., Kuulkers, E. & Wilms, J., 3 Oct 2014, 1 p.

Research output: Other contributionNet publication - Internet publicationResearch

Open Access

ATel #6602: INTEGRAL/JEM-X sees enhanced activity in the Galactic center region: SAX J1747.0-2853 and IGR J17454-2919

Chenevez, J., Brandt, S., Budtz-Jørgensen, C., Lund, N., Westergaard, N. J., Vandbaek Kroer, L. & Kuulkers, E., 21 Oct 2014, 1 p.

Research output: Other contributionNet publication - Internet publicationResearch

Open Access

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

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NuSTAR observations of the bullet cluster: constraints on inverse compton emission

Wik, D. R., Hornstrup, A., Molendi, S., Madejski, G., Harrison, F. A., Zoglauer, A., Grefenstette, B. W., Gastaldello, F., Madsen, K. K., Westergaard, N. J. S., Ferreira, D. D. M., Kitaguchi, T., Pedersen, K., Boggs, S. E., Christensen, F. E., Craig, W. W., Hailey, C. J., Stern, D. & Zhang, W. W., 2014, In : Astrophysical Journal. 792, 48, 24 p.

Research output: Contribution to journalJournal articleResearchpeer-review

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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

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405 Downloads (Pure)
2013

Coating optimization for the ATHENA+ mission

Ferreira, D. D. M., Christensen, F. E., Jakobsen, A. C., Westergaard, N. J. S. & Shortt, B., 2013, In : Proceedings of SPIE, the International Society for Optical Engineering. 8861, 8 p., 886112.

Research output: Contribution to journalConference articleResearchpeer-review

Hard X-ray/soft gamma-ray telescope designs for future astrophysics missions

Ferreira, D. D. M., Christensen, F. E., Pivovaroff, M. J., Brejnholt, N., Fernandez-Perea, M., Westergaard, N. J. S., Jakobsen, A. C., Descalle, M-A., Soufli, R. & Vogel, J. K., 2013, In : Proceedings of SPIE, the International Society for Optical Engineering. 8861, 8 p., 886116.

Research output: Contribution to journalConference articleResearchpeer-review

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

Harrison, F. A., Craig, W. W., Christensen, F. E., Hailey, C. J., Zhang, W. W., Boggs, S. E., Stern, D., Cook, W. R., Forster, K., Giommi, P., Grefenstette, B. W., Yunjin Kim, Kitaguchi, T., Koglin, J. E., Madsen, K. K., Mao, P. H., Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M. J. & 61 others, Puccetti, S., Rana, V. R., Westergaard, N. J. S., Willis, J., Zoglauer, A., Hongjun An, Bachetti, M., Barrie`re, N. M., Bellm, E. C., Bhalerao, V., Brejnholt, N., Fuerst, F., Liebe, C. C., Markwardt, C. B., Nynka, M., Vogel, J. K., Walton, D. J., Wik, D. R., Alexander, D. M., Cominsky, L. R., Hornschemeier, A. E., Hornstrup, A., Kaspi, V. M., Madejski, G. M., Matt, G., Molendi, S., Smith, D. M., Tomsick, J. A., Ajello, M., Ballantyne, D. R., Balokovic´, M., Barret, D., Bauer, F. E., Blandford, R. D., Brandt, W. N., Brenneman, L. W., Chiang, J., Chakrabarty, D., Chenevez, J., Comastri, A., Dufour, F., Elvis, M., Fabian, A. C., Farrah, D., Fryer, C. L., Gotthelf, E. V., Grindlay, J. E., Helfand, D. J., Krivonos, R., Meier, D. L., Miller, J. M., Natalucci, L., Ogle, P., Ofek, E. O., Ptak, A., Reynolds, S. P., Rigby, J. R., Tagliaferri, G., Thorsett, S. E., Treister, E. & Urry, C. M., 2013, In : Astrophysical Journal. 770, 2, p. 103 19 p.

Research output: Contribution to journalJournal articleResearchpeer-review

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2012

ATHENA optimized coating design

Ferreira, D. D. M., Christensen, F. E., Jakobsen, A. C., Westergaard, N. J. S. & Shortt, B., 2012, In : Proceedings of SPIE, the International Society for Optical Engineering. 8443, p. 84435L 11 p.

Research output: Contribution to journalConference articleResearchpeer-review

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).

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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).

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2011

Coatings for the NuSTAR mission

Christensen, F. E., Jakobsen, A. C., Brejnholt, N., Madsen, K. K., Hornstrup, A., Westergaard, N. J. S., Momberg, J., Koglin, J., Fabricant, A. M., Stern, M., Craig, W. W., Pivovaroff, M. J. & Windt, D., 2011, In : Proceedings of SPIE--the international society for optical engineering. 8147, 1, p. 81470U-19

Research output: Contribution to journalConference articleResearchpeer-review

INTEGRAL/JEM-X sees Markarian 817

Chenevez, J., Lund, N., Westergaard, N. J. S., Budtz-Jørgensen, C., Brandt, S., Oxborrow, C. A., Iversen, N. E. & Rodriguez, J., 2011, In : The Astronomer's telegram. p. ATel #3817

Research output: Contribution to journalJournal articleResearch

MT_RAYOR: a versatile raytracing tool for x-ray telescopes

Westergaard, N. J. S., 2011, In : Proceedings of SPIE--the international society for optical engineering. 8147, 1, p. 81470Y-6

Research output: Contribution to journalConference articleResearchpeer-review

2010

ESAC Faculty Seminars

Westergaard, N. J. S., 2010.

Research output: Contribution to conferencePaperResearch

Improved JEM-X imaging

Lund, N., Westergaard, N. J. S., Chenevez, J. & Brandt, S., 2010, In : P o S - Proceedings of Science. 5 p.

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2009

A JEM-X Catalog of X-ray Sources

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

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Open Access
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271 Downloads (Pure)

JEM-X: six years in space

Budtz-Jørgensen, C., Lund, N., Westergaard, N. J. S., Brandt, S. K., Chenevez, J., Oxborrow, C. A. & Rasmussen, I. L., 2009, In : P o S - Proceedings of Science. p. 141

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150 Downloads (Pure)
2008

SAX J2103.5+4545 in outburst

Galis, R., Beckmann, V., Bianchin, V., Grebenev, S., McBreen, B., Mereghetti, S., Revnivtsev, M., Sanchez, C., Strong, A. & Westergaard, N. J. S., 2008, In : The Astronomer's telegram. p. 1063

Research output: Contribution to journalJournal articleResearch

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

INTEGRAL observations of the cosmic X-ray background in the 5-100 keV range via occultation by the Earth

Churazov, E., Sunyaev, R., Revnivtsev, M., Sazonov, S., Molkov, S., Grebenev, S., Winkler, C., Parmar, A., Bazzano, A., Falanga, M., Gros, A., Lebrun, F., Natalucci, L., Ubertini, P., Roques, J. P., Bouchet, L., Jourdain, E., Knodlseder, J., Diehl, R., Budtz-Jørgensen, C. & 15 others, Brandt, S. K., Lund, N., Westergaard, N. J. S., Neronov, A., Turler, M., Chernyakova, M., Walter, R., Produit, N., Mowlavi, N., Mas-Hesse, J. M., Domingo, A., Gehrels, N., Kuulkers, E., Kretschmar, P. & Schmidt, M., 2007, In : Astronomy & Astrophysics. 467, 2, p. 529-540

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2006
Open Access
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3334 Downloads (Pure)

Instrument Specific Software for JEM-X Architectural Design Document: ADDJEMX

Oxborrow, C. A., Chenevez, J., Kretschmar, P., Larsson, S., Maisala, S. & Westergaard, N. J. S., 2006, 10 ed. Geneva (CH): ISDC. 315 p. (ISDC Technical Documents).

Research output: Book/ReportReportResearch

INTEGRAL detection of SWIFT J2037.2+4151

Westergaard, N. J. S., Budtz-Jørgensen, C., Chenevez, J., Lund, N., Brandt, S. & Oxborrow, C. A., 2006, In : The Astronomer´s Telegram : ATel. p. ATel #967 1 p.

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Open Access
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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

2005

Characterizing a new class of variability in GRS 1915+105 with simultaneous INTEGRAL/RXTE observations

Hannikainen, D. C., Rodriguez, J., Vilhu, O., Hjalmarsdotter, L., Zdziarski, A. A., Belloni, T., Poutanen, J., Wu, K., Shaw, S. E., Beckmann, V., Hunstead, R. W., Pooley, G. G., Westergaard, N. J. S., Mirabel, I. F., Hakala, P., Castro-Tirado, A. & Durouchoux, P., 2005, In : Astronomy & Astrophysics. 435, 3, p. 995-1004

Research output: Contribution to journalJournal articleResearchpeer-review

JEM-X Scientific Analysis: Science Validation Report: Version 5.0

Westergaard, N. J. S., Oxborrow, C. A., Chenevez, J., Lund, N., Brandt, S. K., Budtz-Jørgensen, C., Kretschmar, P., Larsson, S. & Martinez-Nunez, S., 2005

Research output: Book/ReportReportResearchpeer-review