Per Rex Christensen

Per Rex Christensen

Associate Professor emeritus


  1. 2015
  2. Published

    Planck intermediate results XXIV. Constraints on variations in fundamental constants

    Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Battaner, E., Benabed, K., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 3 Aug 2015, In: Astronomy & Astrophysics. 580, A22.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Planck intermediate results. XIX. An overview of the polarized thermal emission from Galactic dust

    Ade, P. A. R., Aghanim, N., Alina, D., Alves, M. I. R., Armitage-Caplan, C., Arnaud, M., Arzoumanian, D., Ashdown, M., Atrio-Brarndela, F., Aumont, J., Baccigalupi, C., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 17 Apr 2015, In: Astronomy & Astrophysics. 576, A104.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Planck intermediate results. XX. Comparison of polarized thermal emission from Galactic dust with simulations of MHD turbulence

    Ade, P. A. R., Aghanim, N., Alina, D., Alves, M. I. R., Armitage-Caplan, C., Arnaud, M., Arzoumanian, D., Ashdown, M., Artio-Barandela, F., Aumont, J., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 13 Apr 2015, In: Astronomy & Astrophysics. 576, A105.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Planck intermediate results. XXI. Comparison of polarized thermal emission from Galactic dust at 353 GHz with interstellar polarization in the visible

    Ade, P. A. R., Aghanim, N., Alina, D., Aniano, G., Armitage-Caplan, C., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Aumont, J., Baccigalupi, C., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 13 Apr 2015, In: Astronomy & Astrophysics. 576, A106.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Joint Analysis of BICEP2/Keck Array and Planck Data

    Ade, P. A. R., Aghanim, N., Ahmed, Z., Aikin, R., Alexander, K. D., Arnaud, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barkats, D., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 13 Mar 2015, In: Physical Review Letters. 114, 101301.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. 2014
  8. Published

    Planck 2013 results. XXII. Constraints on inflation

    Ade, P. A. R., Aghanim, N., Armitage-caplan, C., Arnaud, M., Ashdown, M., Atrio-Brarndela, F., Aumont, J., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 1 Nov 2014, In: Astronomy & Astrophysics. 571, 43 p., A22.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. 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

  10. 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

  11. Published

    Planck 2013 results. II. Low Frequency Instrument data processing

    Aghanim, N., Armitage-Caplan, C., Arnaud, M., Ashdown, 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., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 25 p., A2.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Planck 2013 results. III. LFI systematic uncertainties

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., 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., 29 Oct 2014, In: Astronomy & Astrophysics. 571, A3.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Planck 2013 results. IV. Low Frequency Instrument beams and window functions

    Aghanim, N., Armitage-Caplan, C., 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., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 22 p., A4.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Planck 2013 results. IX. HFI spectral response

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., 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., 29 Oct 2014, In: Astronomy & Astrophysics. 571, A9.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Planck 2013 results. V. LFI calibration

    Ade, P. A. R., Armitage-Caplan, C., 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., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 29 p., A5.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Planck 2013 results. VI. High Frequency Instrument data processing

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., 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., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 44 p., A6.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Planck 2013 results. VII. HFI time response and beams

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., 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., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 31 p., A7.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Planck 2013 results. VIII. HFI photometric calibration and mapmaking

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., 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., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 25 p., A8.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Planck 2013 results. X. HFI energetic particle effects: characterization, removal, and simulation

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., 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., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 23 p., A10.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Planck 2013 results. XII. Diffuse component separation

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., 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., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 31 p., A12.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Planck 2013 results. XIII. Galactic CO emission

    Ade, P. A. R., Aghanim, N., Alves, M. I. R., Armitage-Caplan, C., 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., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 22 p., A13.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Planck 2013 results. XIV. Zodiacal emission

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., 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., 29 Oct 2014, In: Astronomy & Astrophysics. 571, A14.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. 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., Baccigalupi, C., Banday, A. J., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 23 p., A19.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Planck 2013 results. XV. CMB power spectra and likelihood

    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, 60 p., A15.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Planck 2013 results. XVI. Cosmological parameters

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Aurmont, J., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 66 p., A16.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Planck 2013 results. XVII. Gravitational lensing by large-scale structure

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., Ashdown, M., Atrio-Barandela, F., Aumont, J., Baccigalupi, C., Banday, A. J., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 39 p., A17.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Planck 2013 results. XVIII. The gravitational lensing-infrared background correlation

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., 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., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 24 p., A18.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 17309780