Hostname: page-component-586b7cd67f-2plfb Total loading time: 0 Render date: 2024-11-23T14:41:37.722Z Has data issue: false hasContentIssue false

Blind Search for Variability in Planck Data

Published online by Cambridge University Press:  27 October 2016

Jörg P. Rachen
Affiliation:
Department of Astrophysics/IMAPP, Radboud University Nijmegen, The Netherlands
Elina Keihänen
Affiliation:
Department of Physics, University of Helsinki, Finland
Martin Reinecke
Affiliation:
MPI for Astrophysics, 85741 Garching, Germany
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The sky is full of variable and transient sources on all time scales, from milliseconds to decades. Planck's regular scanning strategy makes it an ideal instrument to search for variable sky signals in the millimetre and submillimetre regime, on time scales from hours to several years. A precondition is that instrumental noise and systematic effects, caused in particular by non-symmetric beam shapes, are properly removed. We present a method to perform a full sky blind search for variable and transient objects at all Planck frequencies.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2016 

References

Fuhrmann, L., Zensus, J. A., Krichbaum, T. P., Angelakis, E., & Readhead, A. C. S. 2007, AIPC, 921, 249 Google Scholar
Keihänen, E. & Reinecke, M. 2012, A&A 548, A110 Google Scholar
Górski, K. M., Hivon, E., Banday, A. J., et al. 2005, ApJ, 622, 759 CrossRefGoogle Scholar
Planck Collaboration I. 2011, A&A 536, A1 Google Scholar
Planck Collaboration I. I. 2011, A&A 571, A2 Google Scholar
Rachen, J. P., Fuhrmann, L., Krichbaum, T. P., et al. 2015, IAU GA FP5p.43, and 28th Texas Symposium on Relativistic Astrophysics, GeneveGoogle Scholar
Tauber, J. A., Mandolesi, N., Puget, J.-L., et al. 2010, A&A, 520, A1 Google Scholar