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Publications

Preprints

Limits on the ultra-bright Fast Radio Burst population from the CHIME Pathfinder
(2017) CHIME Scientific Collaboration
submitted to The Astrophysical Journal
arXiv:1702.08040

An efficient method for removing point sources from full-sky radio interferometric maps
(2016) Philippe Berger, Niels Oppermann, Ue-Li Pen, J. Richard Shaw
submitted to Monthly Notices of the Royal Astronomical Society
arXiv:1612.03255



Refereed Papers

Accurate polarization calibration at 800 MHz with the Green Bank Telescope
(2015) Yu-Wei Liao, Tzu-Ching Chang, Cheng-Yu Kuo, Kiyoshi W. Masui, Niels Oppermann, Ue-Li Pen, Jeffrey B. Peterson
Astrophysical Journal, Volume 833, 289L, 12/2016
arXiv:1610.04365

The Euclidean distribution of Fast Radio Bursts
(2016) Niels Oppermann, Liam D. Connor, Ue-Li Pen
Monthly Notices of the Royal Astronomical Society, Volume 461, 984, 09/2016
arXiv:1604.03909

Planck intermediate results. XLIV. The structure of the Galactic magnetic field from dust polarization maps of the southern Galactic cap
(2016) Planck Collaboration
Astronomy & Astrophysics, Volume 596, id.A105
arXiv:1604.01029

Planck intermediate results. XLII. Large-scale Galactic magnetic fields
(2016) Planck Collaboration
Astronomy & Astrophysics, Volume 596, id.A103
arXiv:1601.00546

Planck intermediate results. XL. The Sunyaev-Zeldovich signal from the Virgo cluster
(2015) Planck Collaboration
Astronomy & Astrophysics, Volume 596, id.A101
arXiv:1511.05156

Using rotation measure grids to detect cosmological magnetic fields -- a Bayesian approach
(2015) Valentina Vacca, Niels Oppermann, Torsten A. Enßlin, Jens Jasche, Marco Selig, Maksim Greiner, Henrik Junklewitz, Martin Reinecke, Marcus Brüggen, Ettore Carretti, Luigina Feretti, Chiara Ferrari, Christopher A. Hales, Cathy Horellou, Shinsuke Ideguchi, Melanie Johnston-Hollitt, Roberto F. Pizzo, Huub Rottgering, Timothy W. Shimwell, Keitaro Takahashi
Astronomy & Astrophysics, Volume 591, id.A13, 06/2016
arXiv:1509.00747

Planck 2015 results. XIX. Constraints on primordial magnetic fields
(2015) Planck Collaboration
Astronomy & Astrophysics, Volume 594, id.A19, 09/2016
arXiv:1502.01594

Planck 2015 results. II. Low Frequency Instrument data processing
(2015) Planck Collaboration
Astronomy & Astrophysics, Volume 594, id.A2, 09/2016
arXiv:1502.01583

Planck 2015 results. I. Overview of products and scientific results
(2015) Planck Collaboration
Astronomy & Astrophysics, Volume 594, id.A1, 09/2016
arXiv:1502.01582

Constraints on the FRB rate at 700-900 MHz
(2016) Liam Connor, Hsiu-Hsien Lin, Kiyoshi W. Masui, Niels Oppermann, Ue-Li Pen, Jeffrey B. Peterson, Alexander Roman, Jonathan Sievers
Monthly Notices of the Royal Astronomical Society, Volume 460, 1054, 07/2016
arXiv:1602.07292

FRB repetition and non-Poissonian statistics
(2016) Liam Connor, Ue-Li Pen, Niels Oppermann
Monthly Notices of the Royal Astronomical Society: Letters, Volume 458, L89, 05/2016
arXiv:1601.04051

Planck intermediate results. XXXI. Microwave survey of Galactic supernova remnants
(2016) Planck Collaboration
Astronomy & Astrophysics, Volume 586, id.A134, 02/2016
arXiv:1409.5746

Planck intermediate results. XXXVIII. E- and B-modes of dust polarization from the magnetized filamentary structure of the interstellar medium
(2015) Planck Collaboration
Astronomy & Astrophysics, Volume 586, id.A141, 02/2016
arXiv:1505.02779

Planck intermediate results. XXXIII. Signature of the magnetic field geometry of interstellar filaments in dust polarization maps
(2014) Planck Collaboration
Astronomy & Astrophysics, Volume 586, id.A136, 02/2016
arXiv:1411.2271

Planck intermediate results. XXXV. Probing the role of the magnetic field in the formation of structure in molecular clouds
(2015) Planck Collaboration
Astronomy & Astrophysics, Volume 586, id.A138, 02/2016
arXiv:1502.04123

Planck intermediate results. XXXII. The relative orientation between the magnetic field and structures traced by interstellar dust
(2014) Planck Collaboration
Astronomy & Astrophysics, Volume 586, id.A135, 02/2016
arXiv:1409.6728

Planck intermediate results. XXXIV. The magnetic field structure in the Rosette Nebula
(2015) Planck Collaboration
Astronomy & Astrophysics, Volume 586, id.A137, 02/2016
arXiv:1501.00922

The denoised, deconvolved, and decomposed Fermi gamma-ray sky -- an application of the D3PO algorithm
(2014) Marco Selig, Valentina Vacca, Niels Oppermann, Torsten A. Enßlin
Astronomy & Astrophysics, Volume 581, id.A126, 09/2015
arXiv:1410.4562

Planck intermediate results. XXII. Frequency dependence of thermal emission from Galactic dust in intensity and polarization
(2014) Planck Collaboration
Astronomy & Astrophysics, Volume 576, id.A107, 04/2015
arXiv:1405.0874

Estimating extragalactic Faraday rotation
(2014) Niels Oppermann, Henrik Junklewitz, Maksim Greiner, Torsten A. Enßlin, Takuya Akahori, Ettore Carretti, Bryan M. Gaensler, Ariel Goobar, Lisa Harvey-Smith, Melanie Johnston-Hollitt, Luke Pratley, Dominic H.F.M. Schnitzeler, Jeroen M. Stil, Valentina Vacca
Astronomy & Astrophysics, Volume 575, id.A118, 03/2015
arXiv:1404.3701
The results of this study are available here

A fast and precise way to calculate the posterior for the local non-Gaussianity parameter fnl from Cosmic Microwave Background observations
(2013) Sebastian Dorn, Niels Oppermann, Rishi Khatri, Marco Selig, Torsten A. Enßlin
Physical Review D, Volume 88, Issue 10, 11/2013
arXiv:1307.3884

DIP -- Diagnostics for Insufficiencies of Posterior calculations in Bayesian signal inference
(2013) Sebastian Dorn, Niels Oppermann, Torsten A. Enßlin
Physical Review E, Volume 88, Issue 5, 11/2013
arXiv:1307.3889

NIFTY -- Numerical Information Field Theory -- a versatile Python library for signal inference
(2013) Marco Selig, Michael R. Bell, Henrik Junklewitz, Niels Oppermann, Martin Reinecke, Maksim Greiner, Carlos Pachajoa, Torsten A. Enßlin
Astronomy & Astrophysics, Volume 554, id.A26, 06/2013
arxiv:1301.4499

Reconstruction of Gaussian and log-normal fields with spectral smoothness
(2012) Niels Oppermann, Marco Selig, Michael R. Bell, and Torsten A. Enßlin
Physical Review E, Volume 87, Issue 3, 03/2013
arXiv:1210.6866

Improved CLEAN reconstructions for rotation measure synthesis with maximum likelihood estimation
(2012) Michael R. Bell, Niels Oppermann, Alexandra Crai, Torsten A. Enßin
Astronomy & Astrophysics, Volume 551, id.L7, 03/2013
arXiv:1211.5105

The XENON100 exclusion limit without considering Leff as a nuisance parameter
(2012) Jonathan H. Davis, Celine Boehm, Niels Oppermann, Torsten A. Enßlin, and Thomas Lacroix
Physical Review D, Volume 86, Issue 1, 07/2012
arXiv:1203.6823

An improved map of the Galactic Faraday sky
(2011) Niels Oppermann, Henrik Junklewitz, Georg Robbers, Michael R. Bell, Torsten A. Enßlin, Annalisa Bonafede, Robert Braun, Jo-Anne C. Brown, Tracy E. Clarke, Ilana J. Feain, Bryan M. Gaensler, Alison Hammond, Lisa Harvey-Smith, George Heald, Melanie Johnston-Hollitt, Uli Klein, Phil P. Kronberg, S. Ann Mao, Naomi M. McClure-Griffiths, Shane P. O'Sullivan, Luke Pratley, Tim Robishaw, Subhashis Roy, Dominic H.F.M. Schnitzeler, Carlos Sotomayor-Beltran, Jamie Stevens, Jeroen M. Stil, Caleb Sunstrum, Anant Tanna, A. Russell Taylor, and Cameron L. Van Eck
Astronomy & Astrophysics, Volume 542, id.A93, 06/2012
arXiv:1111.6186
The results of this study are available here

Improving stochastic estimates with inference methods: calculating matrix diagonals
(2011) Marco Selig, Niels Oppermann, and Torsten A. Enßlin
Physical Review E, Volume 85, Issue 2, 02/2012
arXiv:1108.0600

Reconstructing signals from noisy data with unknown signal and noise covariance
(2011) Niels Oppermann, Georg Robbers, and Torsten A. Enßlin
Physical Review E, Volume 84, Issue 4, 10/2011
arXiv:1107.2384

Probing magnetic helicity with synchrotron radiation and Faraday rotation
(2010) Niels Oppermann, Henrik Junklewitz, Georg Robbers, and Torsten A. Enßlin
Astronomy & Astrophysics, Volume 530, id.A89, 06/2011
arXiv:1008.1246



Refereed Conference Proceedings

Reconstructing signals from noisy data with unknown signal and noise covariance
(2013) Niels Oppermann, Georg Robbers, Torsten A. Enßlin
Proceedings of the 32nd International Workshop on Bayesian Inference and Maximum Entropy Methods in Science and Engineering.
AIP Conference Proceedings, Volume 1553
pdf



Conference Proceedings

Holographic beam mapping of the CHIME pathfinder array
(2016) Philippe Berger, Laura B. Newburgh, Mandana Amiri, Kevin Bandura, Jean-François Cliche, Liam Connor, Meiling Deng, Nolan Denman, Matt Dobbs, Mateus Fandino, Adam J. Gilbert, Deborah Good, Mark Halpern, David Hanna, Adam D. Hincks, Gary Hinshaw, Carolin Höfer, Andre M. Johnson, Tom L. Landecker, Kiyoshi W. Masui, Juan Mena Parra, Niels Oppermann, Ue-Li Pen, Jeffrey B. Peterson, Andre Recnik, Timothy Robishaw, J. Richard Shaw, Seth Siegel, Kris Sigurdson, Kendrick Smith, Emilie Storer, Ian Tretyakov, Kwinten Van Gassen, Keith Vanderlinde, Donald Wiebe
Proceedings of SPIE, Volume 9906, 99060D
arXiv:1607.01473

Magnetic field tomography in nearby galaxies with the Square Kilometre Array
(2015) George Heald, Rainer Beck, W. J. G. de Blok, Ralf-Juergen Dettmar, Andrew Fletcher, Bryan Gaensler, Marijke Haverkorn, Volker Heesen, Cathy Horellou, Marita Krause, S. Ann Mao, Niels Oppermann, Anna Scaife, Dmitry Sokolof, Jeroen Stil, Fatemeh Tabatabaei, Keitaro Takahashi, A. Russ Taylor, Anna Williams
Proceedings 'Advancing Astrophysics with the SKA (AASKA14)'
arXiv:1501.00408

Statistical methods for the analysis of rotation measure grids in large scale structures in the SKA era
(2015) Valentina Vacca, Niels Oppermann, Torsten Enßlin, Marco Selig, Henrik Junklewitz, Maksim Greiner, Jens Jasche, Christopher Hales, Martin Reinecke, Ettore Carretti, Luigina Feretti, Chiara Ferrari, Gabriele Giovannini, Federica Govoni, Cathy Horellou, Shinsuke Ideguchi, Melanie Johnston-Hollitt, Matteo Murgia, Rosita Paladino, Roberto F. Pizzo, Anna Scaife
Proceedings 'Advancing Astrophysics with the SKA (AASKA14)'
arXiv:1501.00415

Measuring magnetism in the Milky Way with the Square Kilometre Array
(2015) Marijke Haverkorn, Takuya Akahori, Ettore Carretti, Katia Ferriere, Peter Frick, Bryan Gaensler, George Heald, Melanie Johnston-Hollitt, David Jones, Tom Landecker, S. Ann Mao, Aris Noutsos, Niels Oppermann, Wolfgang Reich, Timothy Robishaw, Anna Scaife, Dominic Schnitzeler, Rodion Stepanov, Xiaohui Sun, Russ Taylor
Proceedings 'Advancing Astrophysics with the SKA (AASKA14)'
arXiv:1501.00416

Bayesian CMB foreground separation with a correlated log-normal model
(2014) Niels Oppermann, Torsten A. Enßlin
Proceedings of the IAU symposium 306: Statistical challenges in 21st century cosmology.
arXiv:1407.0941



Other

A Wideband Polarization Survey of the Extragalactic Sky at 2-4 GHz: A Science White Paper for the VLA Sky Survey
(2014) S. Ann Mao, Julie Banfield, Bryan Gaensler, Lawrence Rudnick, Jeroen Stil, Cormac Purcell, Rainer Beck, Jamie Farnes, Shane O'Sullivan, Dominic Schnitzeler, Tony Willis, Xiaohui Sun, Ettore Carretti, Klaus Dolag, Dmitry Sokoloff, Roland Kothes, Maik Wolleben, George Heald, Joern Geisbuesch, Tim Robishaw, Jose Afonso, Antonio M. Magalhães, Britt Lundgren, Marijke Haverkorn, Niels Oppermann, A. Russ Taylor
submitted in response to NRAO's call for Community White Papers for a potential VLA Sky Survey
arXiv:1401.1875



PhD Thesis

Signal inference in Galactic astrophysics
(2013) Niels Oppermann, supervised by Torsten A. Enßlin and Simon D. M. White
pdf



Diploma Thesis

Gravitational Collapse of a Magnetized Star
(2009) Niels Oppermann, supervised by Kostas D. Kokkotas and Hajime Sotani
pdf



last updated 2017-04-03