Current Program

The Physics of Extreme-Gravity Stars

The Physics of Extreme-Gravity Stars


5—30 Jun 2017

Massive stars, almost always found in pairs, evolve and end their lives as extreme-gravity compact objects - white dwarfs, neutron stars and black holes. Binary stellar interactions and gravitational

Future Programs »


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

Wednesday, 28 June 2017
13:30      Nordita West Seminar Room (122:026)
Zooming on the internal structure of high-redshift galaxies
Andrea Pallottini  (U. of Cambridge)
Monday, 3 July 2017
08:00      Nordita&AlbaNova main building
Advances in Theoretical Cosmology in Light of Data

Taken from the AlbaNova Agenda

See also list of all regular theory seminars at AlbaNova

Contact us:

Roslagstullsbacken 23
106 91 Stockholm

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

This page was printed on 2017-06-26 from

27 Apr 2017