Per Rex Christensen

Per Rex Christensen

Associate Professor emeritus


  1. 2011
  2. Published

    Planck early results. XXVI. Detection with Planck and confirmation by XMM-Newton of PLCK G266.6-27.3, an exceptionally X-ray luminous and massive galaxy cluster at z similar to 1

    Aghanim...[et al.], N., Arnaud, M., Ashdown, W., Christensen, Per Rex & Nasselski, Pavel, 1 Dec 2011, In: Astronomy & Astrophysics. 536, p. A26

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. 2012
  4. Published

    Planck intermediate results I. Further validation of new Planck clusters with XMM-Newton

    Aghanim, N., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Hornstrup, A., Atrio-Barandela, F., Aumont, J., Baccigalupi, C., Balbi, A., Christensen, Per Rex, Banday, A. J. & Nasselski, Pavel, 5 Jul 2012, In: Astronomy & Astrophysics. 543, p. A102 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Morphology of high-multiplicity events in heavy ion collisions

    Nasselski, Pavel, rtc312, rtc312, Christensen, Per Rex, Damgaard, Poul Henrik, Frejsel, A. M., Gaardhøje, Jens Jørgen, Kim, J., Hansen, A. C., Hansen, M. A. K., Verkhodanov, O., Wiedemann, U. A. & Christensen, Per Rex, 30 Aug 2012, In: Physical Review C (Nuclear Physics). 86, 2, p. 024916 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Planck early results. I. The Planck mission

    Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Christensen, Per Rex, Nasselski, Pavel, Baccigalupi, C., Baker, M., Balbi, A., Banday, A. J. & Barreiro, R. B., 1 Dec 2012, In: Astronomy & Astrophysics. 536, p. A1

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. 2013
  8. Published

    Planck intermediate results II. Comparison of Sunyaev-Zeldovich measurements from Planck and from the Arcminute Microkelvin Imager for 11 galaxy clusters

    Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Balbi, A., Banday, A. J., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 1 Feb 2013, In: Astronomy & Astrophysics. 550, A128.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Planck intermediate results IV. The XMM-Newton validation programme for new Planck galaxy clusters

    Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Balbi, A., Banday, A., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 1 Feb 2013, In: Astronomy & Astrophysics. 550, A130.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Planck intermediate results V. Pressure profiles of galaxy clusters from the Sunyaev-Zeldovich effect

    Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Aumont, J., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 1 Feb 2013, In: Astronomy & Astrophysics. 550, A131.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Planck intermediate results VI. The dynamical structure of PLCKG214.6+37.0, a Planck discovered triple system of galaxy clusters

    Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 1 Feb 2013, In: Astronomy & Astrophysics. 550, A132.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Planck intermediate results VII. Statistical properties of infrared and radio extragalactic sources from the Planck Early Release Compact Source Catalogue at frequencies between 100 and 857 GHz

    Ade, P. A. R., Aghanim, N., Argueeso, F., Arnaud, M., Ashdown, M., Christensen, Per Rex, Noergaard-Nielsen, H. U., Nasselski, Pavel & Novikov, I. D., 1 Feb 2013, In: Astronomy & Astrophysics. 550, A133.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Planck intermediate results VIII. Filaments between interacting clusters

    Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 1 Feb 2013, In: Astronomy & Astrophysics. 550, A134.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Planck 2013 Results. XXIV. Constraints on primordial non-Gaussianity

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., Arnaud, M., Ashdown, M., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 20 Mar 2013, In: arXiv. 1303.5084, 56 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Planck 2013 results. XIX. The integrated Sachs-Wolfe effect

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Aumont, J., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 20 Mar 2013, In: arXiv. 1303.5079, 24 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Planck 2013 results. XVIII. Gravitational lensing-infrared background correlation

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Aumont, J., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 20 Mar 2013, In: arXiv. 1303.5078, 25 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Planck 2013 results. XXI. Cosmology with the all-sky Planck Compton parameter y-map

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Aumont, J., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 20 Mar 2013, In: arXiv. 1303.5081, 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Planck intermediate results IX. Detection of the Galactic haze with Planck

    Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Aumont, J., Baccigalupi, C., Balbi, A., Banday, A. J., Barreiro, R. B., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 1 Jun 2013, In: Astronomy & Astrophysics. 554, A139.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Planck intermediate results X. Physics of the hot gas in the Coma cluster

    Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Baccigalupi, C., Aumont, J., Balbi, A., Banday, A. J., Barreiro, R. B., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 1 Jun 2013, In: Astronomy & Astrophysics. 554, A140.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Planck intermediate results XI. The gas content of dark matter halos: the Sunyaev-Zeldovich-stellar mass relation for locally brightest galaxies

    Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Aumont, J., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 1 Sep 2013, In: Astronomy & Astrophysics. 557, A52.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Planck intermediate results. XII: Diffuse Galactic components in the Gould Belt system

    Ade, P. A. R., Aghanim, N., Alves, M. I. R., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Aumont, J., Baccigalupi, C., Balbi, A., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 1 Sep 2013, In: Astronomy & Astrophysics. 557, A53.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. 2014
  23. Published

    Planck intermediate results. XIII. Constraints on peculiar velocities

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., Arnaud, M., Ashdown, M., Artio-Barandela, F., Aumont, J., Aussel, H., Baccigalupi, C., Banday, A. J., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 13 Jan 2014, In: Astronomy & Astrophysics. 561, 21 p., A97.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Planck intermediate results. XIV. Dust emission at millimetre wavelengths in the Galactic plane

    Ade, P. A. R., Aghanim, N., Alves, M. I. R., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Aumont, J., Baccigalupi, C., Banday, A. J., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 4 Apr 2014, In: Astronomy & Astrophysics. 564, 13 p., A45.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Planck intermediate results. XV. A study of anomalous microwave emission in Galactic clouds

    Ade, P. A. R., Aghanim, N., Alves, M. I. R., Arnaud, M., Atrio-Barandela, F., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 20 May 2014, In: Astronomy & Astrophysics. 565, 28 p., A103.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Planck intermediate results .XVI. Profile likelihoods for cosmological parameters

    Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartlett, J. G., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 11 Jun 2014, In: Astronomy & Astrophysics. 566, 10 p., A54.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Planck intermediate results. XVII. Emission of dust in the diffuse interstellar medium from the far-infrared to microwave frequencies

    Abergel, A., Ade, P. A. R., Aghanim, N., Alves, M. I. R., Aniano, G., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 11 Jun 2014, In: Astronomy & Astrophysics. 566, 23 p., A55.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Planck 2013 results. XI. All-sky model of thermal dust emission

    Abergel, A., Ade, P. A. R., Aghanim, N., Alves, M. I. R., Aniano, G., Armitage-Caplan, C., Arnaud, M., Ashdown, M., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 37 p., A11.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    Planck 2013 results. I. Overview of products and scientific results

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Aumont, J., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 48 p., A1.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 17309780