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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

Upcoming Seminars

Tuesday, 27 February 2018
13:15      Seminar Room FA32 (AlbaNova Main Building)
Traversing the astrophysical neutrino landscape
Erin O'Sullivan  (SU)
Wednesday, 28 February 2018
13:15      CoPS Seminar Room (A5:1041, AlbaNova Main Building)
Cosmology & Gravity Working Group -- Journal Club

Taken from the AlbaNova Agenda

See also list of all regular theory seminars at AlbaNova


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12 Feb 2018