Per Rex Christensen

Per Rex Christensen

Associate Professor emeritus


  1. Published

    Planck 2013 results. XXVI. Background geometry and topology of the Universe

    Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 29 Oct 2014, In: Astronomy & Astrophysics. 571, 23 p., A26.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. 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

  3. 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

  4. Published

    Planck pre-launch status: The optical system

    Tauber, J. A. [. A. ]., Nørgaard-Nielsen, H. U., Christensen, Per Rex, Ade, P. A. R., Jessen, N. & Nasselski, Pavel, 2010, In: Astronomy & Astrophysics. 520, p. A2 22 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Planck early results. IX. XMM-Newton follow-up for validation of Planck cluster candidates

    Aghanim...[et al.], N., Arnaud, M., Ashdown, M., Christensen, Per Rex & Nasselski, Pavel, 1 Dec 2011, In: Astronomy & Astrophysics. 536, p. A9

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Planck early results. II. The thermal performance of Planck

    Ade...[et al.], P. A. R., Aghanim, N., Arnaud, M., Christensen, Per Rex & Nasselski, Pavel, 1 Dec 2011, In: Astronomy & Astrophysics. 536, p. A2

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Planck intermediate results. XL. The Sunyaev-Zeldovich signal from the Virgo cluster

    Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Christensen, Per Rex, Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 1 Dec 2016, In: Astronomy & Astrophysics. 596, A101.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Planck intermediate results. XXXIV. The magnetic field structure in the Rosette Nebula

    Aghanim, N., Alves, M. I. R., Arnaud, M., Arzoumanian, D., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Battaner, E., Christensen, Per Rex, Nasselski, Pavel, Frejsel, A. M. & Novikov, I. D., 9 Feb 2016, In: Astronomy & Astrophysics. 586, A137.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Planck 2015 Planck 2015 results III. LFI systematic uncertainties

    Ade, P. A. R., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Basak, S., Battaglia, P., Battaner, E., Benabed, K. & Christensen, Per Rex, 1 Oct 2016, In: Astronomy & Astrophysics. 594, A3.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Planck 2015 results. XV. Gravitational lensing

    Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartlett, J. G., Bartolo, N., Christensen, Per Rex, Frejsel, A. M., Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 1 Oct 2016, In: Astronomy & Astrophysics. 594, A15.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Planck 2015 results. IV. Low Frequency Instrument beams and window functions

    Ade, P. A. R., Aghanim, N., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Battaner, E., Benabed, K., Christensen, Per Rex, Frejsel, A. M., Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 20 Sep 2016, In: Astronomy & Astrophysics. 594, A4.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Planck 2015 results. XIII. 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., Bartolo, N., Battaner, E., Christensen, Per Rex, Frejsel, A. M., Nasselski, Pavel, Novikov, I. D. & Nørgaard-Nielsen, H. U., 1 Oct 2016, In: Astronomy & Astrophysics. 594, A13.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Planck intermediate results. XXXI. Microwave survey of Galactic supernova remnants

    Arnaud, M., Ashdown, M., Atrio-Barandela, F., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Battaner, E., Benabed, K., Benoit, L., Bernard, J. -., Christensen, Per Rex, Nasselski, Pavel & Novikov, I. D., 9 Feb 2016, In: Astronomy & Astrophysics. 586, 21 p., A134.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. 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

  15. 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

  16. 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

  17. 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

  18. Published

    B-mode polarization forecasts for GreenPol

    Fuskeland, U., Kaplan, A., Wehus, I. K., Eriksen, H. K., Christensen, Per Rex, Von Hausegger, S., Liu, H., Lubin, P. M., Meinhold, P. R., Nasselski, Pavel, Thommesen, H. & Zonca, A., 11 Apr 2024, In: Astronomy & Astrophysics. 684, 10 p., A128.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Planck pre-launch status: the Planck mission

    Tauber...[et al.], J. A., Christensen, Per Rex & Nasselski, Pavel, 15 Sep 2010, In: Astronomy & Astrophysics. 520, p. A1 22 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Confronting theory with observations: A UniverseNet Cosmology Workshop, August 16-20

    Bergström... [et al.], L., Bjerrum-Bohr, Emil, Butt, S., Christensen, Per Rex, Damgaard, Poul Henrik, Collins, H. S., Fynbo, Johan Peter Uldall, Geier, S. J., Hansen, Steen Harle, James, J. B., Kim, J., Li, X., Man, W. S., Nasselski, Pavel, Nesseris, S. & Olesen, Poul, 16 Jul 2010, København

    Research output: Other contributionResearch

  21. Published

    Planck early results. XI. Calibration of the local galaxy cluster Sunyaev-Zeldovich scaling relations

    Ade...[et al.], P. A. R., Aghanim, N., Arnaud, M., Christensen, Per Rex, Christensen, Per Rex & Nasselski, Pavel, 1 Dec 2011, In: Astronomy & Astrophysics. 536, p. A11

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Planck early results. XXI. Properties of the interstellar medium in the Galactic plane

    Abergel...[et al.], A., Ade, P. A. R., Aghanim, N., Christensen, Per Rex & Nasselski, Pavel, 1 Dec 2011, In: Astronomy & Astrophysics. 536, p. A21

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. 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

  24. 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

  25. Published

    Planck 2015 results XXIII. The thermal Sunyaev-Zeldovich effect-cosmic infrared background correlation

    Ade, P. A. R., Aghanim, N., Arnaud, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartlett, J. G., Bartolo, N., Battaner, E. & Christensen, Per Rex, 1 Oct 2016, In: Astronomy & Astrophysics. 594, A23.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 17309780