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A new approach to the detection of exoplanets

Sahil Agarwal, Fabio Del Sordo, and John Wettlaufer

The detection of Earth-like exoplanets is challenging because several sources of noise hinder from uncovering the imprint of a low-mass planet in observations.

We have implemented a method, called MultiFractal Temporally Weighted Detrended Fluctuation Analysis, to detect planets orbiting a distant star. This makes no use of any fitting procedure to filter out the noise, but instead characterizes it by looking at the fluctuations of the data at different wavelengths. In particular, this approach allows to measure the time scales over which stellar noise operates, thus opening a new door to interpret the data that will come from the next generation of spectrographs.

Original paper: Exoplanetary Detection by Multifractal Spectral Analysis

Seminars Today

Wednesday, 21 March 2018
14:00      122:026
Event Talk Orientation patterns of non-spherical particles in turbulence
Bernhard Mehlig 
14:45      122:026
Event Talk Recent Progress on the Experimental Study of Active Matter
Giovanni Volpe 
16:00      122:026
Event Talk Aspects of open quantum systems
Hans Fogedby 
16:45      122:026
Event Talk Friction Fluctuations of Gold Nanoparticles in the Superlubric Regime
Astrid De Wijn 

Upcoming Seminars

Thursday, 22 March 2018
9:30      122:026
Event Talk How glasses break
Stefano Zapperi 
11:00      122:026
Event Talk Phase diagram of Kob-Andersen type binary Lennard-Jones mixtures
Ulf Pedersen 
11:45      122:026
Event Talk Iso-Flux Tension Propagation Theory and Its Application to Driven Polymer Translocation
Tapio Ala-Nissilä 
14:30      122:026
Event Talk Structural constrains on the emergence of temporal patterns in neuronal networks
Arvind Kumar 

Taken from the AlbaNova Agenda

See also list of all regular theory seminars at AlbaNova

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Phone: +46 8 5537 8444
Fax: +46 8 5537 8404

KTH Royal Institute of Technology Stockholm University The Nordic Council of Ministers The Swedish Research Council

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28 Feb 2018