• Elektrovej, 328, 210

    2800 Kgs. Lyngby

    Denmark

1985 …2018

Research output per year

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Journal article

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

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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.

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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.

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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

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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.

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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.

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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.

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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.

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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

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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.

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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.

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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

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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283 Downloads (Pure)
2013

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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355 Downloads (Pure)
2011

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

2010

Improved JEM-X imaging

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

Research output: Contribution to journalJournal articleResearchpeer-review

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148 Downloads (Pure)
2009

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

Research output: Contribution to journalJournal articleResearchpeer-review

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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

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

Research output: Contribution to journalJournal articleResearchpeer-review

2006
Open Access
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3334 Downloads (Pure)

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.

Research output: Contribution to journalJournal articleResearch

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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

2004

High-energy observations of the state transition of the X-ray nova and black hole candidate XTE J1720-318

Bel, M. C., Rodriguez, J., Sizun, P., Farinelli, R., Del Santo, M., Goldwurm, A., Goldoni, P., Corbel, S., Parmar, A. N., Kuulkers, E., Ubertini, P., Capitanio, F., Roques, J. P., Frontera, F., Amati, L. & Westergaard, N. J. S., 2004, In : Astronomy & Astrophysics. 426, 2, p. 659-667

Research output: Contribution to journalJournal articleResearchpeer-review

Monitoring of persistent accreting pulsating neutron stars observed during the INTEGRAL Core Program

Sidoli, L., Wilms, J., Paizis, A., Larsson, S., Burki, G., Bourban, G., Chernyakova, M., Courvoisier, T., di Cocco, G., Kretschmar, P., Kreykenbohm, I., Mereghetti, S., Pottschmidt, K., Santangelo, A., Segreto, A., Staubert, R. & Westergaard, N. J. S., 2004, In : Nuclear Physics B-proceedings Supplements. 132, p. 648-651

Research output: Contribution to journalJournal articleResearchpeer-review

Serpens X-1 observed by INTEGRAL

Masetti, N., Foschini, L., Palazzi, E., Beckmann, V., Lund, N., Brandt, S. K., Westergaard, N. J. S., Amati, L., Caroli, E., Del Sordo, S., Di Cocco, G., Durouchoux, P., Farinelli, R., Frontera, F., Orlandini, M. & Zdziarski, A., 2004, In : Astronomy & Astrophysics. 423, 2, p. 651-656

Research output: Contribution to journalJournal articleResearchpeer-review

The potential of INTEGRAL for the detection of high redshift GRBs

Gorosabel, J., Lund, N., Brandt, S. K., Westergaard, N. J. S. & Ceron, J. M. C., 2004, In : Astronomy & Astrophysics. 427, 1, p. 87-93

Research output: Contribution to journalJournal articleResearchpeer-review

2003

First INTEGRAL observations of Cygnus X-3

Vilhu, O., Hjalmarsdotter, L., Zdziarski, A. A., Paizis, A., McCollough, M. L., Beckmann, V., Courvoisier, T. J. L., Ebisawa, K., Goldoni, P., Hakala, P., Hannikainen, D., Kretschmar, P. & Westergaard, N. J. S., 2003, In : Astronomy & Astrophysics. 411, 1, p. L405-L410

Research output: Contribution to journalJournal articleResearchpeer-review

First INTEGRAL observations of GRS 1915+105

Hannikainen, D. C., Vilhu, O., Rodriguez, J., Brandt, S., Westergaard, N. J. S., Lund, N., Mocour, I., Durouchoux, P., Belloni, T., Castro-Tirado, A., Charles, P. A., Dean, A. J., Fender, R. P., Feroci, M., Hakala, P., Hunstead, R. W., Kaiser, C. R., King, A., Mirabel, I. F., Pooley, G. G. & 3 others, Poutanen, J., Wu, K. & Zdziarski, A. A., 2003, In : Astronomy & Astrophysics. 411, 1, p. L415-L419

Research output: Contribution to journalJournal articleResearchpeer-review

First results from the INTEGRAL galactic plane scans

Winkler, C., Gehrels, N., Schonfelder, V., Roques, J. P., Strong, A. W., Wunderer, C., Ubertini, P., Lebrun, F., Bazzano, A., Del Santo, M., Lund, N., Westergaard, N. J. S., Beckmann, V., Kretschmar, P. & Mereghetti, S., 2003, In : Astronomy & Astrophysics. 411, 1, p. L349-L355

Research output: Contribution to journalJournal articleResearchpeer-review

JEM-X: The X-ray monitor aboard INTEGRAL

Lund, N., Budtz-Jørgensen, C., Westergaard, N. J. S., Brandt, S. K., Rasmussen, I. L., Hornstrup, A., Oxborrow, C. A., Chenevez, J., Jensen, P. A., Laursen, S., Andersen, KH., Mogensen, P. B., Rasmussen, I., Omo, K., Pedersen, S. M., Polny, J., Andersson, H., Andersson, T., Kamarainen, V., Vilhu, O. & 35 others, Huovelin, J., Maisala, S., Morawski, M., Juchnikowski, G., Costa, E., Feroci, M., Rubini, A., Rapisarda, M., Morelli, E., Carassiti, V., Frontera, F., Pelliciari, C., Loffredo, G., Nunez, S. M., Reglero, V., Velasco, T., Larsson, S., Svensson, R., Zdziarski, A. A., Castro-Tirado, A., Attina, P., Goria, M., Giulianelli, G., Cordero, F., Rezazad, M., Schmidt, M. N., Carli, R., Gomez, C., Jensen, P. L., Sarri, G., Tiemon, A., Orr, A., Much, R., Kretschmar, P. & Schnopper, H. W., 2003, In : Astronomy & Astrophysics. 411, 1, p. L231-L238

Research output: Contribution to journalJournal articleResearchpeer-review

JEM-X background models

Huovelin, J., Maisala, S., Schultz, J., Westergaard, N. J. S., Oxborrow, C. A., Kretschmar, P. & Lund, N., 2003, In : Astronomy & Astrophysics. 411, 1, p. L253-L256

Research output: Contribution to journalJournal articleResearchpeer-review

JEM-X inflight performance

Brandt, S. K., Budtz-Jørgensen, C., Lund, N., Westergaard, N. J. S., Rasmussen, I. L., Andersen, K. H., Chenevez, J., Hornstrup, A., Jensen, P. A., Laursen, S., Omo, K., Oxborrow, C. A., Pedersen, S. M., Polny, J., Andersson, H., Andersson, T., Vilhu, O., Huovelin, J., Maisala, S., Morawski, M. & 29 others, Juchnikowski, G., Costa, E., Feroci, M., Rubini, A., Rapisarda, M., Morelli, E., Frontera, F., Pelliciari, C., Loffredo, G., Carassiti, V., Reglero, V., Nunez, S. M., Larsson, S., Svensson, R., Zdziarski, A. A., Castro-Tirado, A., Goria, M., Giulianelli, G., Rezazad, M., Carli, R., Jensen, P. L., Cordero, F., Schmidt, M. N., Sarri, G., Gomez, C., Orr, A., Much, R., Schnopper, H. W. & Kretschmar, P., 2003, In : Astronomy & Astrophysics. 411, 1, p. L243-L251

Research output: Contribution to journalJournal articleResearchpeer-review

JEM-X science analysis software

Westergaard, N. J. S., Kretschmar, P., Oxborrow, C. A., Larsson, S., Huovelin, J., Maisala, S., Nunez, S. M., Lund, N., Hornstrup, A., Brandt, S. K., Budtz-Jørgensen, C. & Rasmussen, I. L., 2003, In : Astronomy & Astrophysics. 411, 1, p. L257-L260

Research output: Contribution to journalJournal articleResearchpeer-review

The INTEGRAL science data centre (ISDC)

Courvoisier, T. J. L., Walter, R., Beckmann, V., Dean, A. J., Dubath, P., Hudec, R., Kretschmar, P., Mereghetti, S., Montmerle, T., Mowlavi, N., Paltani, S., Martinez, A. P., Produit, N., Staubert, R., Strong, A. W., Swings, J. P., Westergaard, N. J. S., White, N., Winkler, C. & Zdziarski, A. A., 2003, In : Astronomy & Astrophysics. 411, 1, p. L53-L57

Research output: Contribution to journalJournal articleResearchpeer-review

X-ray facility for the ground calibration of the X-ray monitor JEM-X on board INTEGRAL

Loffredo, G., Pelliciari, C., Frontera, F., Carassiti, V., Chiozzi, S., Evangelisti, F., Landi, L., Melchiorri, M., Squerzanti, S., Brandt, S. K., Budtz-Jørgensen, C., Laursen, S., Lund, N., Polny, J. & Westergaard, N. J. S., 2003, In : Astronomy & Astrophysics. 411, 1, p. L239-L242

Research output: Contribution to journalJournal articleResearchpeer-review

X-ray observations of the Crab Pulsar and Nebula with JEM-X on INTEGRAL

Brandt, S., Budtz-Jørgensen, C., Lund, N., Rasmussen, I. L., Laursen, S., Chenevez, J., Westergaard, N. J. S., Juchnikowski, G., Walter, R., Schmidt, M. N. & Much, R., 2003, In : Astronomy & Astrophysics. 411, 1, p. L433-L436

Research output: Contribution to journalJournal articleResearchpeer-review

2001

The X-ray imager on AXO

Budtz-Jørgensen, C., Kuvvetli, I., Westergaard, N. J. S., Jonasson, P., Reglero, V. & Eyles, C., 2001, In : Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment. 458, 1-2, p. 132-139

Research output: Contribution to journalJournal articleResearchpeer-review

XRASE: The X-Ray Spectroscopic Explorer

Schnopper, H. W., Silver, E., Murray, S., Romaine, S., Bandler, S., Jones, C., Forman, W., Madden, N., Beeman, J., Haller, E., Christensen, F., Westergaard, N. J. S., Fabregat, J., Reglero, V., Gimenez, A., Brosch, N., Liebowitz, E., Netzer, H., Barbera, M., Collura, A. & 1 others, Sciortino, S., 2001, In : Astrophysics and Space Science. 276, 1, p. 49-65

Research output: Contribution to journalJournal articleResearchpeer-review

1999

Sensitivities of JEM-X

Westergaard, N. J. S. & Lund, N., 1999, In : Astrophysical Letters & Communications. 39, 1-6, p. 885-+

Research output: Contribution to journalJournal articleResearchpeer-review

1998

Imaging capabilities of the SODART telescopes

Christensen, F. E., Hornstrup, A., Pedersen, K., Frederiksen, P. & Westergaard, N. J. S., 1998, In : Physica Scripta. T77, p. 25-26

Research output: Contribution to journalJournal articleResearchpeer-review

Modelling of the OCS/SODART observations of SN remnants

Finoguenov, A., Borozdin, K., Litvinova, T., Christensen, F. E., Westergaard, N. J. S., Wiebicke, H. & Halm, I., 1998, In : Physica Scripta. T77, p. 139-141

Research output: Contribution to journalJournal articleResearchpeer-review

Observing broad-absorption line quasars with Spectrum-Rontgen-Gamma

Singh, K. P., Schnopper, H. W. & Westergaard, N. J. S., 1998, In : Physica Scripta. T77, p. 65-66

Research output: Contribution to journalJournal articleResearchpeer-review

Prospects for SODART observations of nearby clusters of galaxies

Pedersen, K. & Westergaard, N. J. S., 1998, In : Physica Scripta. T77, p. 114-116

Research output: Contribution to journalJournal articleResearchpeer-review

X-ray emission from open star clusters with Spectrum-Rontgen-Gamma

Singh, K. P., Ojha, D. K., Schnopper, H. W. & Westergaard, N. J. S., 1998, In : Physica Scripta. T77, p. 142-143

Research output: Contribution to journalJournal articleResearchpeer-review

X-ray emissions from open star clusters with Spectrum Röntgen Gamma

Singh, K. P., Ojha, D. K., Schnopper, H. W. & Westergaard, N. J. S., 1998, In : Physica Scripta. T77, p. 142

Research output: Contribution to journalJournal articleResearchpeer-review

1997

ROSAT observations of the RSCVn binary sigma Geminorum

Yi, Z., Elgaroy, O., Engvold, O. & Westergaard, N. J. S., 1997, In : Astronomy and Astrophysics. 318, 3, p. 791-796

Research output: Contribution to journalJournal articleResearchpeer-review

1995

A hard X-ray telescope/concentrator design based on graded period multilayer coatings

Christensen, F. E., Joensen, K. D., Gorenstein, P., Priedhorsky, W. C., Westergaard, N. J. S. & Schnopper, H. W., 1995, In : Experimental Astronomy. 6, 4, p. 33-46

Research output: Contribution to journalJournal articleResearchpeer-review