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Blind Search for Variability in Planck Data

  • Jörg P. Rachen (a1), Elina Keihänen (a2) and Martin Reinecke (a3)

Abstract

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.

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References

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

  • Jörg P. Rachen (a1), Elina Keihänen (a2) and Martin Reinecke (a3)

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