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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

Tuesday, 20 March 2018
11:00      Nordita South Seminar Room (112:028)
Majorana splitting from critical currents in Josephson junctions
Jorge Cayao  (Uppsala U.)
13:15      Seminar Room FA32 (AlbaNova Main Building)
The Short and Complicated Lives of Massive Stars: From young twins to Gravitational Waves Sources
Selma de Mink  (Amsterdam)
13:30      Nordita South Seminar Room (112:028)
Kirigami mechanisms and mechanical metamaterials
Marcelo Dias  (Aarhus U.)

Upcoming Seminars

Wednesday, 21 March 2018
9:00      122:026
Event Talk Registration / Coffee & Cake
10:30      122:026
Event Talk Quantum Statistical Geophysics
John Wettlaufer 
11:15      122:026
Event Talk A unified nonlinear stochastic time series analysis for climate science
Woosok Moon 
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 

Taken from the AlbaNova Agenda

See also list of all regular theory seminars at AlbaNova

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28 Feb 2018